Can be a sign the cam or crank sensor is on its way out, can also be a dirty MAF sensor. cam sensor will make the engine run ruff, MAF will make engine ruff and not idle properly, Crank sensor if it fails it shuts engine down as it dont know were the engine is at on its cycle. air filter changed or replaced damage air filter will coat the maf with muck and it will need cleaning off the sensor, easy to do with MAF cleaner. sensors they can fail when they to hot for them to run anymore or to cold. the resistance in the sensor goes up and down in different temperatures. some time when it goes completely out of range the engine light comes on, but a failing one that is still in range makes the engine run out of order.
SOURCE: I need to locate the crank positioning sensor for
It's on the fire wall side of the engine near the center of the block.
SOURCE: 03 Duramax Allison Transmission. Sometimes when
Sounds like an igition switch to me, with the discription you are giving.
SOURCE: Factory remote start on 2004 Malibu Maxx stopped working
Fixed!!! I had several problems with my wife's remote start/lock/unlock/trunk/ panic. First it stopped working, i replaced the battery to find out that the battery holder inside the remote had broken solder at two points. Went to Harbor Freight bought a solder gun for $5 and solder wire for about $2. Once home i soldered the points back together (first time i've ever soldered anything). Put the new battery in and it didn't work. I pulled the whole thing apart and took the circuit board and touched the contacts where the button would have pushed at with a piece of metal. They locked and unlocked the car. So i knew at that point that the rubber thing was jacked. i got some tin foil and 5minute epoxy. Then i clued little tiny squares on the little black Nipples where they would contact the circuit board. Waited 6 minutes and put back together. Found out that if you start the car twice with out puting the key in the ignition you can't use the remote start. After putting the key in the ignition and starting it you reset the system and can remote start again. Dealer wanted 114 for the key remote and 54 to reprogram the remote to the car. I fixed my factory remote for under $20. Hope this helps someone
SOURCE: The warning light for stabilitrak
you will have to drive it to the dealer, if it leaves you stranded call a tow truck. all 2007 and up gm cars and trucks should have a 5 year 100k warranty so you should be covered as long as the check engine lamp is not flashing it is not a serious issue if it acts up, try pulling over shutting it off and restarting to see if it resets
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