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2000 metro very rough idle

07-15-2012, 04:25 AM
4 cyldr has very rough idle along with engine shake. Just started doing this. I replaced the cam sensor a few months ago and all has been well. But it started running so rough, almost like it jumped time. I was unconnecting sensors to see if motor idle changed and when I unplugged mass air flow sensor on air filter intake tube, nothing changed. Could this cause such a dramatic idle ?

07-17-2012, 12:49 PM
if your check engine light is on see if car has any error codes, may also want to run a compression test to check for a burned valve

07-29-2012, 02:40 PM
It was plugs and wires... runs fine now. Thanks.

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