Question about 1994 Pontiac Bonneville

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Car hesitates when put in Drive

When I start the car, and put my foot on the gas, the vehicle revs but does not engage and go. I turn off the vehicle, wait a minute then it is ok. Also, I must let the vehicle warm up before attempting to drive it.

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Sounds like a possilble plugged catalytic converter. You can try disconnecting the O2 sensor wire and removing the o2 sensor. This will allow exhaust gases to be released and if you just try to move the car a little, but dont drive it, just move it enough to tell if the problem is solved with the O2 sensor removed. If this fixes it, you have a plugged cat. Your local muffler shop can replace the cat for around 150$.

Posted on Feb 06, 2009

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