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Pontiac Grand am 2.4 running rich.

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7 years 2 months ago #26647 by BeavisButthead
Pontiac Grand am 2.4 running rich. was created by BeavisButthead
Hello my 2001 Pontiac 2.4 is running rich . Could it be the 02 ?

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7 years 2 months ago #26665 by BeavisButthead
Replied by BeavisButthead on topic Pontiac Grand am 2.4 running rich.
Any one ?

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7 years 2 months ago #26669 by Noah
Replied by Noah on topic Pontiac Grand am 2.4 running rich.
You really haven't provided much information to go on, that's probably why no one has reached out to help...

To answer your question, yes!
It could be the oxygen sensor. It could be a MAP sensor, it could be a leaking fuel pressure regulator, it could be a faulty injector....

Codes would be a good place to start, followed by fuel trim numbers at idle and 2500 RPMs.
If you've got a fuel pressure gauge, you can check the fuel systems ability to maintain pressure.
"Ground cannot be checked with a 10mm socket"

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