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Fuel Injector Discussion

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298K views 621 replies 182 participants last post by  joamazeme  
#1 ·
New thread as the last one has been retired due to members not obeying the Site Rules and spoiling that thread.

So we've started afresh....

Thanks.
 
#2 ·
Hi all,

First time posting. I have a 2018 EX-L with just over 50,000. While on the highway, and about 4 hours from home, I had the CEL come on with an Emissions System Problem warning. Tonight I stopped by my local O'Reilly's and asked them to check the code for me. It came back as P219D. A local mechanic just happened to be at the shop and said he thought it might just be a dirty oxygen sensor due to some bad gas. Do you think I'm going to get that lucky, and does this seem like a reasonable explanation? If it is a bad sensor, and because it is a Powertrain error code, would it be covered under the 6 yr/unlimited mileage warranty due to the OD TSB? The part is about $130 through O'Reilly's.

Ps. Would this error also impact my remote start? I can get the engine to turn over using the remote start sequence on the fob but then it immediately shuts down.
 
#3 ·
Here is my experience with Honda related to the fuel injectors...We have a 2017 CR-V with 127k miles, and we started seeing the all systems alarming while the car was idling for an extended period (wife stays in the car while I run into a store). I would pull the trouble code and it was "too rich bank one" or P0172. This went on for a while, then got worse, and was accompanied by the "Emmissions System Problem" or P219F I believe, and a noticeable rich smell. We also had a battery issue in the middle of all of this, which Honda felt was a cause, which it was not. I finally dropped the car off again this week and was met with "you need 4 new injectors, they are all running rich". I had to bring up the TSB related to the direct injection, so they went down that path a bit. Problem is that the code listed in the TSB was not currently on the vehicle. I have pulled the P0172 numerous times, should have let it set before taking it in, but did not. We also have the whirling noise listed in the TSB. They went through the service bulletin and completed the tasks based on the codes they saw. The injector failure is not covered under the extended warranty, and was told by Honda that there are no campaigns related to injectors for our vehicle. I was met with a $1800 bill for the work, which I feel is excessive, but it is what it is. If I knew they would not consider a warranty for this problem, I would have taken to another shop and potentially saved several hundred dollars. My wife said the car runs and sounds much better, hoping this takes care of the issue.
 
#4 ·
Thanks for sharing your experience. Honda is currently running through the procedures listed in the TBS. They did say the P0172 code had been thrown. They are going to check spark plugs next I guess. Since we have had the car less than 3 years, but are over the mileage limit I think it is worth trying to go down the Goodwill Warranty path to see what might come of it.
 
#10 · (Edited)
Honda hasn't mentioned a possible cause for the failures of the fuel injectors in the 2017 and possibly earily 2018 CRVs. Some members have speculated that there was a quality control issue due to the fact that Honda is simple replacing the injectors with a new injector with exact same part number. This idea seems to be corroborated by Honda in other vehicles of similar vintage with DI engines using injectors from the same manufacturer Keihin. Attached is a TSB for the Ridgeline, Pilot, and Oddessy where Honda speculates that debris during the manufacturing process is causing the issue.
 

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#17 ·
I had the same issue as many here about a month ago for my 2018 Honda CRV about 55k miles in January 2022. All of my warning lights just came on at once and would not reset. I took my car to the dealer, they seemed surprised... after further inspection... they said I needed new fuel injectors. The good news according to them was that I had an extended warranty and it was covered.
 
#19 ·
Really good news but also some bad news. So my dealer charged 765.55 for fuel injector replacement. I'm not sure why it's so much less than other owners but that was the total. 479.93 for parts and 375.72 labor plus applied a coupon for $90 off. I continued to persist with Honda corporate and asked for an escalation to the supervisor. The supervisor approved a $400 credit to be used towards future service. So despite having 110k on odometer they still mailed me the credit. I highly recommend asking for a supervisor if you get denied for the goodwill. The bad news is that When I was looking under the hood I discovered the coolant overflow tank was empty. I brought this to the dealers attention and they said that coolant just needed to be replaced. However, my car was still rough idling despite new injectors. I did some research online and found one other CRV owner who had the same issue which was a blown head gasket. I brought it back to them three times and each time mentioned the head gasket (they kept refusing to check bc they said that it's too unlikely) which eventually led to them performing a leak down test and confirming that the had gasket is blown. I believe this may have happened due to the fuel injectors failing because I was driving the car for a couple of months as it was misfiring and the car was running extremely rough, So I think it put too much stress on the head gasket. Anyway, that was the last straw and so I traded the car a couple of days ago. The lesson is that if you're getting warning lights and the car is running rough, Don't wait for Honda corporate to get back to you about the credit, just go ahead and fix it and deal with them later. I hope this helps.
 
#41 ·
I have a similar issue with my 2017. CEL came on. Took to dealer, informed its bad fuel injectors. $1400 quote. Contacted Honda N. A.. After a bit of back and forth, they agreed to pay for half the repair. So I paid $700, got new injectors.
3 weeks later, CEL comes on again. This time running rough and stalling. Towed to dealer. Informed either blown head gasket ($4500) OR cracked head (addt. $1500) except there are no heads available, at all.
Contacted Honda N.A. again. They were no help. Contacted service manager. After talking to the tech, SM comes back with its probably a cracked head because it never overheated. Oh, and he said the turbo will have to be replaced as well because it cannot be removed from the head with out ruining it.
New estimate $7000! FML. Owe $16k still
 
#20 ·
Update: Thye ran a fuel test at the same time as checking the camshaft issue and finally saw that 3 out of 4 injectors where throwing a code. Looks like they are replacing those at the same time as they replace the camshaft. My dealer has been great to work with. They got me a rental while they wait on parts and do the work. Everything so far has been under warranty. Hopefully no surprise bill when I pick it up tomorrow morning.
 
#21 ·
Very fortunate bc the warranty extension specifically covers plugs and camshaft, but not the injectors. It was a huge battle of numerous phone calls with Honda Corp just to get them to cover the parts. Most owners experienced either full denial, or some goodwill to cover just the parts.
 
#22 ·
To help with discussion in this particular thread, when making any reference to "warranty" please be specific. Please help avoid discussion forum confusion and needless additional posts to clarify confusions.

- There is a factory warranty (3/36) that covers virtually anything and everything. This includes starter batteries, but does not include tires which are covered under the tire manufacturers warranty.

- There is also a power train warranty (5/60), which covers major internal component failures of the power train.

- There is an emissions warranty, actually two different types depending on the state you live in. If you live in one of 13 states that have adopted California emissions standards, you get a much richer warranty coverage of 7/70 AND it covers any engine components that can or are contributing to higher than normal emissions. For this discussion, that would include the fuel injectors and their rail.

- For Gen5 CRVs there is a separate letter from Honda granting a limited extension of the power train warranty to 6 years/unlimited miles. This warranty does NOT cover the injectors.. it's been tested and found consistently to not apply as far as Honda corporate is concerned. This warranty letter gets pulled out and put on the table often in discussion, without actually reading and understanding what it covers, and what it does not. It is useless for the fuel injector issue.

- And then there is the HondaCare extended warranty. This warranty has a number of different options available, but generally is a 7/70 or 8/100 warranty that covers just about everything in the vehicle other than normal wear components, and body or paint defects not attributable to a manufacturing defect. [Honestly these are sold as such favorable prices by some dealers online now days, I think any owner who pays 30K+ for a new Honda would be foolish not to spend $1000-1200 for a HondaCare policy. It represents ~3% of your purchase price to buy one, and will more than pay for itself on a single claim in most cases.

Honestly the exception letter from Honda extending the power train warranty for certain components was always about building confidence with owners, not materially addressing any possible engine issue. It very much appears to be written to account for the small number of owners who may have experienced early cam failure in their engines.
 
#349 ·
To help with discussion in this particular thread, when making any reference to "warranty" please be specific. Please help avoid discussion forum confusion and needless additional posts to clarify confusions.

- There is a factory warranty (3/36) that covers virtually anything and everything. This includes starter batteries, but does not include tires which are covered under the tire manufacturers warranty.

- There is also a power train warranty (5/60), which covers major internal component failures of the power train.

- There is an emissions warranty, actually two different types depending on the state you live in. If you live in one of 13 states that have adopted California emissions standards, you get a much richer warranty coverage of 7/70 AND it covers any engine components that can or are contributing to higher than normal emissions. For this discussion, that would include the fuel injectors and their rail.

- For Gen5 CRVs there is a separate letter from Honda granting a limited extension of the power train warranty to 6 years/unlimited miles. This warranty does NOT cover the injectors.. it's been tested and found consistently to not apply as far as Honda corporate is concerned. This warranty letter gets pulled out and put on the table often in discussion, without actually reading and understanding what it covers, and what it does not. It is useless for the fuel injector issue.

- And then there is the HondaCare extended warranty. This warranty has a number of different options available, but generally is a 7/70 or 8/100 warranty that covers just about everything in the vehicle other than normal wear components, and body or paint defects not attributable to a manufacturing defect. [Honestly these are sold as such favorable prices by some dealers online now days, I think any owner who pays 30K+ for a new Honda would be foolish not to spend $1000-1200 for a HondaCare policy. It represents ~3% of your purchase price to buy one, and will more than pay for itself on a single claim in most cases.

Honestly the exception letter from Honda extending the power train warranty for certain components was always about building confidence with owners, not materially addressing any possible engine issue. It very much appears to be written to account for the small number of owners who may have experienced early cam failure in their engines.
Great breakdown...
 
#23 ·
Four weeks ago we had a Check Engine Light on our 2018 CR-V EX-L with just under 45,000 miles. The diagnosis was Code P219D - For Air Fuel Ratio Variation, Misfire #2 & #3. The fix was fuel injectors replacement under the Emissions Warranty. The cost could have been well over $1000 since the injector set is about $500 alone. I also have a Honda Care 96 mos / 120,000 mile policy that I think would have covered it had it not been for the Emissions Warranty. At any rate, in and out of the dealership in just about 2.5 hours.
 
#24 ·
I am having the same issue. Car runs rough when started. All of the warning lights go off. Dealer said it was fuel injectors. I have Honda Care so it’s covered but they are waiting on a part. It’s been about a month. My service advisor told me it is a tube connected to the fuel injectors that usually breaks when replacing injectors. Hope it comes soon.
 
#25 ·
I have a 2017 EXL and had the same issue with all the lights coming on, same code P0172 . I contacted Honda, they had me have my dealership submit a Goodwill form to Honda and they accepted and covered the cost of the $1,400 fuel injector replacement. I did have to pay $100 toward that. I had roughly 60,000 miles on my car and had them replaced in March of 2021. I have had no problems with the lights at all since the replacement. Definitely worth looking into the goodwill gesture.
 
#535 ·
Thanks for your story. I have a 2018 EXL that started with just a few warning lights. First time the warnings came up I was at a traffic light next to an Autozone. They pulled a code and told me fuel injectors but could not identify which one or the exact issue. I brought the printout to the dealer while having a recall part replaced. The dealer didn't want the Auto zone report and wanted to charge me $160 to run diagnostics. I asked about the cost to replace the injectors and was told $1500. Weird thing I found online was to put the car in a rolling reverse and hit the brakes hard, turn the car off for a minute and back on. Warnings were off and stayed off for several weeks. Unfortunately the warnings are back and now it is 12 different warnings. I did replace the battery based on another suggestion. I've got 123K miles and the car runs great, even averaging 39mpg over the past year. I'll try the goodwill appeal before I either get rid of the car or have an independent mechanic replace the injectors (current quote from a very well respected local guy is $680.
 
#32 ·
North Carolina is NOT one of the states that adopted California clean emissions standards and the long term warranty requirements that come with that. See this, for example: States Adopting California's Clean Cars Standards

California's emissions warranty coverage makes the federal one look very anemic.

Why it matters? Because of this statement on the page you linked:

  • Your vehicle is less than 2 years old and has less than 24,000 miles (up to 8 years/80,000 miles for specified major components)
A lot of components that go into a clean vehicle operation are NOT included in the federal 8/80K. Under the California required warranty, almost any component that has remotely anything to do with emissions is included. The page you linked does not make it clear what line items on the federal component warranty list are 2/24 vs 8/80.
 
#33 ·
My 2018 CRV with 38K miles had the same issue where all warning lights showed up with P0301 error code. Fortunately WA state requires 7 yr / 70K warranty on emissions related parts which covers fuel injectors. Honda wanted to try valve adjustment before replacing fuel injectors but valve adjustment did not fix the issue, changing fuel injectors did.
 
#34 · (Edited)
Got in my 2017 CRV with 94,000 miles yesterday afternoon and started and all the dashboard lights were flashing. Called my Honda and they said get it there and they would work in in. Issue came back as "Fuel Injectors".

I let service person know I had a warranty I purchased from Saccucci Honda, she promptly got on phone and called and the $1,300 cost for new fuel injectors was approved in about 3 minutes. I was always leary about these warranties, but this paid off. Picked up CRV this morning and all is good!

HKPGA
 
#38 ·
The way Honda alerts you to a Fuel Injector problem is to go into this STUPID ALL ALERTS mode. I had this issue about a month ago and the error code they found indicated an issue with the fuel injectors. MY 2017 CR-V had 132,000 on it and was outside the 120,000 mile extended warranty. It cost about $1,300 (USD) to get them replaced. No problems since. The car is definitely running better and getting better fuel economy.

The BIG issue I have is the way the error is displayed. I get that this is a serious engine damaging issue, but how about parking a warning across the screen and allow the remaining systems to function. As far as I can tell ALL the other safety system were disabled by this issue. The fact the there is never a message relating to the actual problem is frustrating.
 
#39 ·
The Honda alert systems and lights are all co-linked in many ways (the systems all have to work together to run the engine), simply because many systems are interacting with one another and when one goes bad.. it can confuse other systems (like your ECU, etc) and that results in multiple system alerts. Keep in mind, none of us has any idea exactly what is happening across the vehicles systems when the injectors malfunction, but we all have to embrace the fact that everything involved under the hood is pretty inter-related in these modern vehicles.

Given there is no alert light for "bad injectors", how exactly would you expect the vehicle to alert you that there is something wrong and you need to pay attention and have it diagnosed? There will be stored codes in the OBDII, but even then... proper troubleshooting is required to determine if the cause is plugs, or injectors, or the fuel system.

Honestly, a massive light show on the dash will generally get most drivers attention and encourage them to not ignore it. Granted, it can also induce panic or fear.. but that should pass quickly in a mature adult.
 
#40 ·
New to this issue.
2017 CRV EX-L purchased new. Live in major metro area so lots of miles & start/stop traffic.
Recently serviced @ 111,895 miles (3wks prior to this issue coming up). Morning commute just fine then problem accelerating from full stop at stoplight when turned green. Partial loss of power then dashboard lights up.
No problems with driving just constant warning lights, no driver assist, etc. After a few minutes, no problem with acceleration but warnings persist
Have had all recommended service (except tires) done at dealership - great folks BTW. Have known service writer for as long as I've had my CR-V.
Honda had it for two days & said P0172 error on all 4 cylinders - too rich. $2100 to replace fuel injectors.
Not happy with estimate.
No charge.
Asked them to clear codes & I'd pick up the vehicle.
CR-V ran fine.
Went to independent mechanic. Mileage at 113,505. They found loose clamp connection downstream of mass airflow sensor. They checked mass airflow for debris - clean. Checked spark plugs - clean (no signs of running rich). Said previous tech might have bumped something loose or didn't tighten something else or maybe didn't clear some code or flag & that that eventually caused the software to think there was a fuel injection problem.
Recommended to run premium fuel for a couple of tankfuls & come back if any problems.
Said to NOT put fuel injector cleaner in gas - anything it dissolves/loosens could actually clog fuel injectors. Advised that it was better to keep up with regular maintenance & avoid crappy gas.
No charge.
Will keep going back to dealership - when I went to pick up my CR-V, they did take time to look up if there were any recalls, warranties, etc. they could possibly apply. Had service manager come out & talk to me & double check coverage, warranties, etc.
CR-V runs fine & will keep tabs on it.
 
#42 ·
You have your own thread for the cracked here here:


Do not conflate it with this Master thread for fuel injectors please. Thank you!
 
#43 · (Edited by Moderator)
Posting in case this may be helpful to others. 2017 CRV EX w/ 1.5L Turbo, 82,000 miles. Bought used from Honda Dealership almost exactly two years ago w/ 60,000 miles. Clean service record when I purchased, w/ consistent oil changes, etc. and I’ve been changing oil about every 4,000 miles due to the known oil issues.

Last oil change I sent a sample for analysis and it showed 1.5% gasoline in oil after 4,000mi, which was below the 2% attention threshold on the report, and the report noted this was not an extreme level and it is very common in these engines. I noticed about a month ago that my fuel mileage suddenly dropped by about 5-10%, which I attributed to colder weather, winter gas blends, etc., and didn’t notice any other obvious changes.

Check engine light came on about a week and a half ago w/ “Emissions System Problem”. My OBDII scanner showed code P219E - Cylinder 3 Air/Fuel Ratio Imbalance, plus it was running rich with -13% long term fuel trim. Found this thread and saw the injectors are often associated with this code. Took it to the dealership where I purchased the vehicle and three cylinders were running rich and failed testing. Was quoted $1600 to replace the set of 4 fuel injectors and fuel rail. Confirmed this was not covered under the manufacturer extended 6yr/unlimited mileage powertrain warranty, and I’m 12,000 miles over the PA emissions warranty 7yr/70,000mi.

Spoke with my service rep at the dealership and politely explained that, while I’m aware I’m out of warranty, I’m also aware that the injectors are not just an isolated issue on my vehicle and asked if they could work with me to see if Honda will provide any assistance. Was told they would speak with their service manager, who would speak with their Honda rep, and that it usually depends on the service history of the vehicle with the dealership.

Considering I do most of my own fluid changes and hadn’t had the vehicle back to the dealership since I bought it, I wasn’t feeling confident and was ready to have to contact Honda directly. Got a call from the dealership service rep the next morning and was told that Honda will provide partial assistance and cover 75% of the total repair costs. I could not have been more ecstatic to essentially save myself $1,100. Still waiting on the repairs, but I figured I’d share my experience and maybe provide a template for anyone else who experiences this issue.
 
#44 ·
I purchased a 2018 CRV from my local dealer in Jan 2018. I do regular maintenance and, since covid, don't drive more than 8,000 mi per year since I work from home. I park outdoors in Wisconsin year round and must move to opposite sides of the street due to odd/even parking in the winter so, the vehicle gets started most every day. I now have 67,800 miles on the vehicle.

I think in the first year and the dealer did the AC repair thing and the PGM update and changed the oil. I monitored for a while after that and it seemed like everything was stable so, I haven't paid much attention in the last couple of years.

Just after Christmas we were driving around looking at lights and suddenly the dashboard started flashing warning lights all over the place and cycling through all the error codes. The engine light was on steady so I drove home and called the dealer in the morning. We were due to leave for 10 days vacation in a couple days and I hoped the dealer could at least look at it and tell me if it was safe to drive or not. They couldn't get me in for 3 days but, did say that since the engine light was on steady I was OK to drive it. So, I found a dealer along our route that was able to get me in the next day and we packed the car and hit the road. I drove for 2 hours with no cruise control or any other of the electronic helpers since they were all in error mode.

The dealer was waiting for us...so much more attentive than our local dealer, thank goodness.....and they got it in right away. After 20 minutes they come to show me the engine air filter and the cabin air filter and tell me that this is the culprit. The engine air filter was so full of gunk and oil that it was causing the engine to run too rich and that caused the error codes. So, they change the filters, do the 60,000 mile maintenance, give it a wash and send us on our way. The lights are off and the mileage has increased at least 5%. This is good. But, I'm a little concerned after listening to the explanation and reading the bill.

The bill states: Bunch of lights on. P0172 Fuel System Too Rich. Vehicle needs PGN-FI update and oil change.

Now, I already had the PGM update done so, I'm totally worried that this is an ongoing issue and I'll have to just keep monitoring it and they'll do the PGM update every so many miles. Plus, they charged me $82.34 for the update and $63.71 for the needed oil change, even though I had not even1000 miles on the most recent oil change. And, I have the longest extended warranty. The upside, I guess, is that they only did the Fuel Injection System Cleaning and Maintenance and not a Fuel Injector replacement. Now that the holidays have passed we'll be looking into reimbursement for some of this but, I'm not holding my breath.

For reference, we had 2002 CRV EX that we bought new and traded in with 235,000+ miles on this 2018 CRV EX w/Nav. I wish I'd have kept the 2002.
 
#615 ·
As of 10/1/25 we have continued to have the intermittent warning light issue. Sometimes they stay on for a day or two then go off. Other times they stay in for a couple weeks. I quit taking it to the dealer as they don’t have a clue what’s wrong. The last go round was in late September 2025. It wasn’t running well and felt different than the other warning cycles so I did take it for service. They replaced the fuel injectors under extended warranty. I made it 2 miles before all the lights came on again. The next week I bought a 2026 Honda Passport Trailsport and traded in the POS CRV! Good riddance!
 
#45 ·
I have 2017 Honda CRV ex 2wd. I had the previous fuel injector issue around 45 k miles and took the car to dealer multiple times. Got the good will replacement and spent ~$500 and resolved the issue

Now, I have something similar happening again. The car is around 62 k. I get some similar error messages every so often and they go away after I restart the car. These messages have gotten more frequent.


I wanted to know if anyone else has gotten fuel injection problems fixed and is now running into similar issues ?

I see the brake system, LKAS and ACC light come on. I have taken the car to a car wash but not tried anything else
 
#55 ·
I have 2017 Honda CRV ex 2wd. I had the previous fuel injector issue around 45 k miles and took the car to dealer multiple times. Got the good will replacement and spent ~$500 and resolved the issue

Now, I have something similar happening again. The car is around 62 k. I get some similar error messages every so often and they go away after I restart the car. These messages have gotten more frequent.


I wanted to know if anyone else has gotten fuel injection problems fixed and is now running into similar issues ?

I see the brake system, LKAS and ACC light come on. I have taken the car to a car wash but not tried anything else
A lot of things can trigger those alert codes, including a weak battery or charging system. Stop guessing and speculating and have the OBDII codes read from the vehicle. There are specific codes that will be set if the injectors are bad ("fuel air mixture too rich" codes)
 
#46 ·
We have a 2017 CRV Touring that just shut down while driving on the highway in the middle of 'nowhere'. Engine made a weird sound, all the dashboard warning notices started popping up and then the engine quit. Long story, but finally towed it to our local Honda dealer and after several days, we are told that the engine was 'oil starved', no compression on 3 of 4 cylinders, cam shaft broken and seized into the head. It only has 50k miles and the dealer refuses to honor the Warranty Extension, service bulletin #19-032, which should go for six years and unlimited mileage. They want $8000 to put in used engine. We provided service invoices for oil changes up to last November when we changed the oil ourselves. Honda claims without an invoice from their service department, they cannot help us. Anyone have any legal options here? American Honda gives us the run around too.
 
#48 · (Edited)
First time posting. Have a 2019 crv ex with ~45,000 miles. Emission problem light and check engine light came on while driving. Took car to dealership, $1600.00 later, had all fuel injectors and fuel joint pipe set replaced. Not happy, last crv was 9 years old, over 105,000 miles, never replaced these. Obviously this is a systemic problem. My question, does replacing them now guarantee i won’t have to replace them again? Should i be considering replacing this car?
Thanks for any help.
 
#54 ·
I have seen no credible reports of repeat issues after the injectors are replaced.

Anyone claiming a repeating failure, needs to have the OBDII codes read to determine if there is a fuel mixture too rich code for one or more cylinders as THAT is the definitive indicator of either a spark plug or fuel injector issue.
 
#49 ·
2018 CRV 100k miles. All lights came flashing on screen at once out of nowhere. Dealership replaced fuel injectors, but my invoice says nothing about “fuel rail” being replaced - should that have been replaced as well?