Questions & Answers for: truck loses power 2002 gmc

2002 GMC Envoy 4x2 The car runs fine when stepping on the gas, it also has no problem starting but starts acting up as it idles. Doesn't lose power when idling but the will be fine and out of nowhere ...

...power. I changed spark plugs too. I can 't figure it out. can you please help me? You need to have the computer scanned for trouble codes before you waste any more money.Good Luck. i have a 2002 gmc ...

service engine light comes on when going up a long hill on an expressway & seems to be losing power? bad egr valve or a vacuum leak, time to get out the starter fluid

...loses power just had the same sort of issue. I had it looked at and they said it was my computer and it needed replacement. around $275 or so. I was praying it wasn't the transmission and for me it ...

engine losing power and loading up and back fireing sounds like a strong possibility of a restricted catalytic converter, have an exhaust back pressure test performed to confirm. also, if this is a ...

if strater works why do i lose power to the radio when I start my envoy That's normal, when you start the engine, every thing will go off till engine start's, need all the power from battery for start

engine reduced power it losing power and when i use the cruise control it doesn't come on Reduced power can be a multitude of things. Find out what code is present by using a scanner. The cruise ...

loses power engine light one and off displays oil pressuer low and turn off your engine 1st check oil level ,top up if necessary. If level ok, most likely a faulty oil pressure sender, replace and ...

Truck starts but loss power to my heater defrost 4x4 and wipers I was told it was an ignition starter switch. If one side goes would I lose power to my heater, 4x4, wipers rear defrost. Truck starts ...

...loses power key off, as in ALL DEAD. BUT IF YOU TURN just THE WIPER TO OFF. AT ITS SWITCH IT MUST TURN OFF. AND AUTO PARK (switch not bad) THAT MAGIC HAPPENS BY THE YELLOW WIRE BELOW RIGHT SIDE. so ...