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I have an 05 Cobalt standard with the 2.2 L ecotec and am curious if anyone has come across a reason or found a continual pattern for why the lights pulsate during revs and why I would be getting a power steering light on the dash as the lights cut off completely. GM is saying that I have a wire shortage somewhere, but I do not even have the first idea as to where to start to look. And it would cost 102 dollars an hour to find the problem. Any info would be greatly appreciated!

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Jeremy
 

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I have seen on another thread that the coil-pack wires or something is rubbing and grounding out. But it also leads to a misfire, of which you may not be experiencing. If it is throwing an engine light code, take it to an AutoZone and have them to derive the code from the car. They wont be able to clear it, but it does give a vague description of what may be the problem. I will try to find the thread that has some more info on it. :)
 
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