Question about GMC Sierra 1500
99 GMC Sierra 5.3L Reduced engine power and transmission in "Limp Mode" Only have R,2,3 when cold. Once up to operating temp if I shut the truck off for about 30-40 seconds and start it back up the problem goes away till it sits overnight again. Trouble codes. P0137 P0157 and P0758. Occasionally the Gear indicator and odometer wont come on but with a hit to the dash they come back.
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Posted on Jan 02, 2017
SOURCE: 2003 GMC Sierra 5.3L (has
CODE PO120 - TP SENSOR 1 SIGNAL RANGE PERFORMANCE. CODE P1516 - TAC MODULE THROTTLE ACTUATOR POSITION PERFORMANCE. CODE P2135 - THROTTLE POSITION SENSOR 1 - 2 CORRELATION ERROR. THIS IS A DEALERSHIP FIX YOU HAVE PROBLEMS OR FAULTS IN THE THROTTLE POSITION SENSOR.
Posted on Oct 24, 2010
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