So the other day I noticed my car to idle rough when i got to work. I checked fuel pump relay it was popped out a little and that solved the problem, then I noticed it idle rough 1 to 3 times at a stop light, I have already replaced the relays with the SSP Kit, and checked my FP line and that is fine as well. What could it be, searched around the forums could not fine anything about it.

 

Could you explain rough idle?

My car idled weird when i didn't have my heat shield on. The heat from the radiator would cause it to idle awkwardly. Not sure if that helps.

 

sounds like a vacuum leak, check all your couplings and hoses

 

Also car is completely stock, well when I'm at a stop the whole car shakes then stops then back to normal sometimes I doesn't do it



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Does the rpm gauge move up or down at all when the shaking is happening?

Not sure really what it could be if it is stock. Seems very odd to me. Have you called the Mitsubishi dealer yet and explained the problem to them?

How many miles do you have on the car?