Thread: New user saying hello to all and looking for some help

I feel cheated I wanted to help with his problem lol

Originally Posted by Logan541

I feel cheated I wanted to help with his problem lol

okay... 2002 grand prix gt 40th anniversary edition....
120,800 miles... recently straight piped with u- bend delete and no catalytic converter. installed new 02 sensor. recently did trans pan drop service.... but unfortunately, the quick lube place only used dexron 3 instead of dexron 6....

The car is throwing MANY codes including p1811... for a while it drove fine, then it started a very mild hard shift.
hence the reason for the pan drop service ... the car is now doing all sorts of crazy stuff including...
1. stalling as soon as you put it in park
2. rpms fluctuate when put in park from 200 rpms to about 1200 rpms.. then stalls.
3. throwing the p1811 code... and now shifting hard again
3.5 also throws a code for Throttle Position Sensor....
4. there was a dreaded moaning noise coming from what sounded like the trans in about second-third gear... while in gear at 40 mph.
HELP!

these are the following things I have done with the car
1. oil change with new filter and Lucas oil treatment
2. Transmission pan drop service with new filter, Dex 6 fluid and Lucas Transmission Stabilizer
3. Cut out clogged Catalytic Converter and put in straight pipe with u-bend delete and new 02 sensor
4. New Fuel Filter
5. Listened to gas tank and heard Fuel pump IS coming on, but don't know if it is pumping correct pressure at all times
6. New Front Right wheel hub bearing assembly/ Wheel Speed Sensor