PY Online Forums - Bringing the Pontiac Hobby Together - 99 TA Question

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- - 99 TA Question - 02 sensors (https://forums.maxperformanceinc.com/forums/showthread.php?t=597684)

428 78T/A

05-04-2009 04:14 PM

99 TA Question - 02 sensors

How many 02 sensors are there on an 99 TA? Theres one for sale here and the check engine light is on. Guys telling me it's just because there and aftermarket exhaust on. Doesnt give me a warm fuzzy feeling parting with cash with a dummy light on. Otherwise it ran well.

Mr_GTO

05-12-2009 12:08 PM

Aftermarket exhaust shouldn't cause it...check for no cats....

If I recall they have two near the cats.

428 78T/A

05-15-2009 01:33 AM

I'm hearing 4. We shall see shortly;)

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