Check Engine Light Due to Clogged EGR Ports/Deterioration in Catalytic Converter on Honda Accord

A Check Engine Light may illuminate if the EGR ports have clogged or if the catalyst inside the catalytic converter has deteriorated.

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Average mileage: 153,043 (80,000–317,000)
8 model years affected: 1991, 1995, 1998, 1999, more2000, 2001, 2002, 2008
50 people reported this problem
19 people shared problem details
1999 Honda Accord150,000
I have this problem still, have taken to the dealer ten times over the last Five years, after one week check engine lights comes back on they again replace the egr and the light comes back on, I have given up on them fixing it can you recommend a solution to this problem, Honda cannot.
9 people like thisFlag inappropiate
1999 Honda Accord150,000
Car would stal when you slow down or touch tne brake. Had egr replaced twice in one year and now doing it again ?
6 people like thisFlag inappropiate
1998 Honda Accord125,000
Replaced EGR valve and had to get clogged EGR ports cleaned. Also had to replace catalytic converter.
5 people like thisFlag inappropiate
1999 Honda Accord195,000
check engine light was on.Not running right very rough.Put new egr port in.
3 people like thisFlag inappropiate
1991 Honda Accord133,245
brought my 1990 accord for smog but failed due to "wrong timing" so brought it to a mechanic after testing the car with their smog machine...they said i have a bad cat, as i drove off the shop... the check engine light came on and won't go away! every time i start my car, it won't show but after driving a couple of miles.. check engine light will come on again. now i don't know how am i gonna pass smog~
3 people like thisFlag inappropiate
1999 Honda Accord110,000
They replaced the EGR filter.
1 person likes thisFlag inappropiate
1995 Honda Accord195,000
Engine light came on...cause catalytic converter. It has over 250, 000 miles on it now...light still on...never got it fixed. Dealership wanted $80 just to hook it up to computer to see what was wrong with it! I already KNEW!!
1 person likes thisFlag inappropiate
This stupid check engine light kept coming back after the mechanics replacing the EGR Ports/catalytic converters and nothing seem to fix it. It is so annoying, now the car is 212000 miles and I am giving up on this issue.
1 person likes thisFlag inappropiate
fixed motor mounts car running good in march butengine lite staying on plus s lite keeps blinking reminds me of left turn lite drives me crazy
1998 Honda Accord167,000
Jerking ,stalling not fixed
engine idle speed very low and p401 code set
need a new cat; haven't decided to sell or repair
Replaced catalytic converter and light is still on.
The cat rattled when I purchased the car, allowing me to get it for pretty cheap. I drove it for a while, until the car was so down on power that I couldn't keep up with traffic. I had it repaired for about $300 at a local shop.
1999 Honda Accord200,000
Having problems with tat now.
1991 Honda Accord115,000
Mechanic states it is not worth fixing.
2000 Honda Accord165,777
EGR Ports cleaned. $265
1999 Honda Accord188,000
The check engine light with code P0402 came on around 112900 miles. This problem is because of the engine computers threshold calculated by the 2 oxygen sensors. Accords from 1998-2001 have a much closer tolerance than other year models so as the catalytic efficiency becomes less, these year model accords trip the check engine light. I tried a CATCOE $310.00 brand catalytic converter and got about 20K miles before the same problem came back. I have sense changed it again using a converter from Autozone $190.00 and after 30k miles no problem noted. Always use Honda O2 sensors or Denso brand. Never Bosh
1999 Honda Accord180,000
EGR valve is bad, has to be replaced for $125.00
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