Question about GMC Envoy
OK P1516 is usually have something to do with throttle body or gas pedal, My 1st choice would be the throttle body I would start by removing the air intake hose to gain access to the throttle body once that is out of your way look at the throttle plate with the key on the plate should be partly open if it's fully close or open also try to move the throttle plate DO NOT FORCE IT it should not move when the key is on if it does then you have to replace it, the next to do is to have someone step on the gas pedal while you look at the throttle plate, with the gas pedal to the floor the plate should be wide open . Now the second choice would be the gas pedal and that calls for some electrical back ground, So start with the throttle body., Good luck
Posted on May 23, 2011
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Posted on Jan 02, 2017
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