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Car Idling Rough and Slow to Accelerate

I have a 2003 Mitsubishi Outlander AWD. All has been going well lately. Yesterday the "service" light came on. There are no issues when driving. This morning when I turned the car on, it was a little rough on the idle. Then when I put the car into drive, there was nothing at the acceleration. I mean when I put the gas pedal down to the floor, I slowly started to accelerate. The car sounds a little weird as in sputtering, but not what I think is running on less than 4 cylinders. Any ideas?


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February 6, 20170 found this helpful
Best Answer


It could be many things, including camshaft sensors, Oxygen sensors, vanos seals,fuel issues, adjuster unit, ICV, coils, sparkplugs and vacuum leaks.

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February 8, 20170 found this helpful

Check for fouled plugs or cracks in the plug wires . Could be your fuel filter also

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February 21, 20170 found this helpful

It could be many many things. The easiest would be if your gas cap is on too tight causing a vacuum. Check that first. Did you recently get fuel? Could it have water in it?

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