Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
can you tell me all the codes setting ?
it will only not go into overdrive when it is misfiring ?
is this the 3.8 engine in it ?
no transmission codes ?
will it bog down when you floor it ?
if you pull out the back O2 sensor out of the rear exhaust manifold and take it for a quick road test will it stop doing this ?
it will be a little bit loud but this is for testing purposes
we have had alot of problems with bad cat converters causing this kind of issue
that is correct
a restricted cat will cause the bogging and will not allow passing gear as the engine does not have the power is needs due to the cat being restricted
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