CHEVROLET CHEYENNE TROUBLE CODE

Getting One Code 21 Tps Voltage High. Tested The Tps With Voltmeter Across Blue And Black Wire And With Ignition On Throttle Closed Got Like...

I Was At 80 Mph, The Transmission Made A Thud And The Mil Came On. The Transmission I Think Is Stuck In Overdrive It Goes In Every Gear. ...

I Was Driving It In Town For About An Hour Stopped To Get Something To Eat About Twenty Minutes Later I Went Back Out To The Truck Started...

I Have Codes P1886, P1864 And P1860. What Do These Code P1864 Mean?

Code 15 Comes Back On When Sensor Replaced Reset The Trouble Code. Wires Checked

Have A 1993 Chevy Cheyann Pu-- Replaced The Computer--check Engine Light Keeps Coming On And The Truck Has No Power--today It Started Off In...