20 Most Recent 2007 Chevrolet Uplander - Page 8 Questions & Answers

-Check door switch and seat belt switch.mai

MOUNTED TO THROTTLEBODY, SENSES POSITION OF DRIVER DEMAND, A BROKEN OR LOOSE TPS CAUSES SUDDEN BURST OF FUEL, AND UNSTABLE IDLE !

Possibly a misfire, or also check your motor mounts.

Drain one quart of fluid from the pan and add Lucas transmission fix

That is your trans slipping. You need a flush and fill, use one bottle of Lucas trans fix on the refill.

mine was cas I was out of gas or the battery was dead

make sure your anti freeze is up.

If you just wired the radio, be sure you have all the grounds correct for the speakers

Sounds like you activated the anti-theft alarm somehow.I would check the owners manual on how to disarm it.