Question about 2002 Pontiac Bonneville

1 Answer

Has been skipping during acceleration and now its sputtering real bad and has that catalytic converter smell like burning. any suggestions as to problem. last time it did this changed out ignition module about two years ago. could that be it again?

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1 Answer

I would get it to a repair shop soon

I would encourge everyone to work on
their own vehicles, but the amount of
possible issues you may have, and
the damage to the converters, if not
already done,you need to have ALL
problems whatever they are resolved

Only a good shop that uses the test
equipment to it's full potential, will
solve your problems

Posted on Mar 15, 2011

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I think the problem your having is a bad injector. You can measure the resistance of each injector, they are suppose to be within a certain tolerance I forget what that is.

The burning rubber smell is because you have raw fuel going into the catalytic converter, this causes the converter to get very hot.

What I've found is that if you use a fuel system cleaner or an injector cleaner - then use only high-grade gas it will usually work as well.

I've also found that you can get re-built injectors for a pretty reasonable price. Installing the front three is not much work, but the rear three are worth paying for someone else to do it. Just google "rebuilt injectors" and you'll find lots of places.

-Matt

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