1996 Plymouth Breeze
Problem for Plymouth 1996 Breeze

My 1996 Plymouth Breeze failed the CO% and the




By smith3490 on Nov 08, 2009

" "
My 1996 Plymouth Breeze failed the CO% and the NOppm tests. What will cause these 2 tets to fail?

CO%limit is 0.35 reading was 0.39
NO ppm limit is 467 reading was812

The above readings are for an Emission Test

Solution #1

posted on Nov 08, 2009
Not Rated)

498n

Rank: Guru  Cars  Expert
Rating: 91%, 191 votes
Lots of carbon in the cylinders,EGR valve not working,a dirty or leaking fuel injector,to far advanced timing.

Run 2 cans of fuel injector in 1/2 tank of gas and run it as low as you can before refueling.

I would set the timing back 5 degrees and test again,put it into service mode (check engine light on) if you have to to get timing back to cool combustion for the test.

This should lower the no% and the co% may just pass too.

Do not use premium fuel ( which is just slower burning fuel) when doing etests,or for normal driving if your engine does not require it,
It will cause carbon deposits in the combustion chamber and it will almost always give higher readings when etesting.

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