Gmc - Sierra1500 :: 2002 - Service Engine Light Came On
Mar 17, 2013
I have an '02 GMC,Sierra,4.8 L 5-speed,once upon a time this truck would easily travel over 500 miles on a full tank of fuel, for the first 10 years ,on a road trip ( which I do every summer), approx.,210 miles one way, this truck would still have just over 1/2 tank of fuel, as of the summer of 2012, the thing used up to 3/4's of a tank.
Then the service engine light came on, I replaced all sensors, O2's new injectors, motorvac, new plugs ,wires etc,( All done by a certified ASE mechanic). After his work the truck got back up to the aforementioned "good mileage", and the Service engine light went out...for awhile, now it is on again, as mentioned earlier, the truck has basically had a complete tune-up. So whats up with this ?? I sure hope I don't need to R/R the engine itself....
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Driving while in 4x4 HI up a hill the truck started to slip. I stopped, shifted to neutral, and engaged 4x4 Low. I shifted back to drive and started moving up the hill. The engine started to lose power and the "Service Engine Soon" light began to blink. I put the truck in park. As I let it run a little bit, the engine started to shake as if something was very imbalanced. I went to check under the hood, and confirmed that it was shaking quite noticeably. There was no grinding or clattering of any kind though.
I turned the truck off for a bit, and then restarted. There was no light or shaking upon starting up; but as soon as I put it in gear and started driving I could tell it was losing power, the light came back on, and the shaking ensued. This occurred in 2wd, and both 4wd lo and hi. I parked it at a neighbors place and there it sits for now.
I plan to try and get the codes read. My other vehicles can't make it through the snow we have right now, but it is suppose to get warm later today and might melt enough for me to get one out. I also live out in the country, so the nearest auto parts place is about 20 miles. Same with a dealership service shop. I'm hoping I can buy and return a code reader from an auto parts store to assess if this is something I can diagnose myself or not.
It is the 6.0l gas engine with the 4sp automatic transmission. The truck also has about 107,000 miles.
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Got a 2002 GT with the NA 3.8 and 150,000 miles. The car has pretty much sat for the past 6 months, driven very sparingly. If it's been sitting for a while (like over night or longer) it will start no problem. If I turn the car off for a shorter period, it will crank but not fire. It will start only if I pump the gas as I'm turning the ignition.
In addition, on occasions it has died while at idle or coasting to a stoplight. After it dies it will fire back up no problem.
Fuel problem perhaps?
The "Service Engine Soon" light has been on for about a month before it started acting up. I had the codes checked at AutoZone and it came up with P0442 and P0128.
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i have a 2008 maxima with 30000+ miles. its service engine soon light came on recently. I disconnected the battery the light would go off, but would come back on again after a few days. It happened several times now. Once I got a code P0011 from autozone while the light was on. the last time the light was on was a week ago and this time the light finally went off by itself yesterday. I took my car to a dealer today. a service advisor told me the reading on his code-reader is NO CODE and the car is fine!. so what have happened and what is wrong with it? could it be serious? - See more at: [URL] .....
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I've got a 2003 Oldsmobile Alero that will not start.
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