My 2005 Colorado sat out in 0 degree weather all day. It started fine at the end of my work day, however, after ideling for a few minutes my engine light came on and a message of Reduced Power. After that, even if I tried to rev it a little, I couldn't get the RPMs up much at all. Did something freeze and will a warmer day or two help?
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to many reasons your in limp mode have scanned for trouble code --problems can be from the weather --check oil level --transmission and coolant level --a bad coil- plug -frozen fuel line -water in fuel etc
Firstly, you will have to perform a jump start, using another vehicle or battery.
I suspect that your alternator may have failed, so please do the following:
1) With vehicle running, use a voltmeter across the battery terminals. If charging is lower than 13.5 volts, then you can replace the alternator. 2) If charging can go up to 14 volts when revving the engine slightly, then go to 3 3) With engine off, check voltage across battery terminals. If lower than 12.4 volts, and if alternator check was okay, then replace the vehicle battery and retry.
why does the reduced power light come on , then the truck stalls. If you pull over and shut down the engine and wait a 30 secounds the truck will restart and run fine until the next time you start the truck. The truck has 48k miles
possibly ajusting itsself. any severe weather/pressure changes in your area? and if so does your cars cpu compensate for this (thinks its at a different elevation etc then resets its idle proper after a certian time? I have heard of this but not sure if VW uses it) perhaps ask the service tech.
I had the same problem, and the solution was cleaning the throttle body, it does need to be completely removed to be cleaned thoroughly. I just used some brake cleaner on a rag to clean off all the carbon deposits. A friend of mine who is a dealer tech had only seen this trouble code once, and this was the solution. So far, my light has not come back on and the truck is running alot better at idle.
Probably a short or loose connection between battery and starter motor, or on either end of cables. Id look there before swapping out starter.On cold days you might put a heater under car for a few hours before using it,do this carefully as to avoid a car fire, or look into a block heater for your engine.
the check engine light can come on for any number of reasons mostly emissions related problems. the first step is to identify the code responsible for the light. there are many auto parts stores that will scan the vehicle free of charge for you. i suggest that first.