Everytime it downshifts from 2 - 1 I get a hard bump. Van has 100k and everything else runs smooth. Any ideas?
2003 GC ES, 3.8L - 100K
Thanks,
donald7150
02-27-2007, 03:42 PM
head to the dealer and tell them to run the 'quick learn' procedure
this will reset the TCM and the solenoid pack and may cure your problem
hemmi
03-06-2007, 04:32 PM
Well, I went to the dealer, they said:
1) replace Throttle Position Sensor
2) perform throttle bottle service
I am going to try and change the sensor and go from there. Has anyone done this before or have any instructions?
hemmi
03-08-2007, 06:45 AM
I replaced the sensor and worked. The dealer mechanic called it a "throtle position sensor" and the paperwork described it as 'ac sensor'. Anyway it was found attached to the back of the throtle body. Thanks
stock93pgt
04-21-2007, 08:00 PM
i too am having the same problem, i have a 2002 gc sport 3.3. can i get this part at any autoparts? or dealer only?
hemmi
04-23-2007, 08:33 AM
Yes, you can get it at the dealer. I am not sure about autoparts though.
