Rev Match System Problem/Emissions System Problem ????

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I was shocked to see a totally oem car throw these codes up!!

2019 mileage 10904


They both popped up at the same time no racing no hard driving temp 90f humidity 65%
Then the car shut off completely and then I tried maybe 3-4 times turning it on before letting it sit for 10 min and then trying again. Now it’s driving but both codes pop up I have scheduled a dealer appointment

Honda Civic 10th gen Rev Match System Problem/Emissions System Problem ???? 11C74905-99C0-4DC7-84F7-6D4EA000EAB7


Honda Civic 10th gen Rev Match System Problem/Emissions System Problem ???? 154FDE97-1D9F-42B7-B5CB-B89AC0A50045
 

goodvibes

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Everyone seemed to have a different issue so is better to have the error code checked out.
 

NapalmEnema

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It has usually turned out to be a faulty fuel pump. Some had a recall on them, but it appears as of late that the fuel pump issue is popping up for more people that didn't have the recall.

If I see that error pop up I know that's the first thing I'm asking about checking / replacing.
 


TLT1323

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Hello everyone new to the forum since buying a used CTR last Monday with 11,000 miles and these codes popped up Rev match went away and has not came back but Emissions has stayed on the car does have modifications all PRL from CAI, Turbo Inlet, Intercooler and hoses. Code Im getting is P0420. Im thinking just getting Hondata and problem solved, but dealership will not give me a diagnosis due to the modifications. They are saying its the CAT, but from reading your forums it seems it could be a number of things. Just looking for a starting point. Thanks!
 

19typer

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If you have a downpipe with no tune or defouler, it’s probably from that
 

TLT1323

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Any recommendations? Hondata probably my best bet?
 

19typer

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Yes with custom tune by drob
 
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TLT1323

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Hoe can I get in contact with a tuner?
 


TLT1323

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Does anybody have or know someone that wants to sale their Hondata flashpro?
 

fk8_bryan

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You should check the actuator in the charcoal canister in the rear. I had the same problem. But I read on another thread to check that. And sure enough the actuator get stuck closed from dirt getting in there and not letting it spin open. Super simple fix. Just disconnect the hose blow it out and if you have a scanner tool you can activate it to open. Do it a couple times to make sure it’s good to go.
 

TLT1323

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What type of scanner?
Sponsored

 


 


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