Having problems with your 1999 Pontiac Grand Prix ?
I,m reading a code po141 pd, this is my 02 sensor bank 1 sensor 2, where on the engine will I find this as i'd like to replace it my self
Look down the rear of the engine to the exhaust and the first o2 sensor is located there just in front of the downpipe flange, sensor 2 is on the outlet side of the catalytic converter.
Repair Help & Product Troubleshooting for 1999 Pontiac Grand Prix
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