Question about 2008 GMC Sierra 1500
Computer will turn off AC if your engine overheats. So find out what's causing the overheating first.
Posted on Aug 10, 2017
SOURCE: 99 Gmc Suburban
On the 1999 - 2000 5.7 vortec engines the distributor gears wear causing the timing to change 2 or more degrees. The ecm is designed to shut down at 2 or more degreedifference. This is in a GM bulletin that recommends replacement at 160k miles. Mine went out at 150k miles. Very similar driving symtoms until it quit running. Both cam sensor codes were set on mine though, not the crank sensor.
Posted on Aug 24, 2008
SOURCE: Tire pressure monitor relearn
that can only be done through the ecm(engine control module) main computer. you have to take it to a shop and have them reprogram the perameters with a scan tool. take it to a small shop it will be cheaper than going to a dealer. hope this helps......please rate this......thanks
Posted on Aug 31, 2008
SOURCE: ENGINE KNOCK 81 GMC 1500 (350)
IN 1981 GM MADE SOME SOFT CAMS,ALOT OF PEOPLE WERE COMPLAINING OF THIS CAM & LIFTER REPLACEMANT SOLVES THE PROMBLEM.AS FOR THE KNOCKING TAKE IT TO A PRO.
Posted on Jan 15, 2009
Let me understand this.. I ask you guy's a question and before you send me the answer, you want to charge me. Then you ask if I resolved the problem and if so, tell you how I did it. Well I did resolve it and I would be more than happy to tell you how. $29.95 with get my detailed response.
Posted on Feb 16, 2009
My Envoy does the same thing..Had the sender replaced last winter when it was doing it. Went all summer with perfect pressure and as soon as the outside temp hit <30 degrees the pressure is dropping again..Curious as to why every time the temp gets below 30 I keep having this issue. If I shut the car off and turn it right back on it jumps to normal stays for a while then drops, shut it off and right back on (no wait) goes back to normal...Only when cold outside.... Confused!
Posted on Jan 07, 2010
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