1984 Porsche 911 runs rough

1984 PORSCHE 911
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DARIN ZENGER
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Engine Mechanical problem
1984 Porsche 911 6 cyl Two Wheel Drive Manual

my 84 carerra runs rough up to 3000 r p m s after that it smooths out. any help
Mar 4, 2009 at 6:17 AM
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VLADGEISER
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Do you have an after market performance cam in the engine?

Run a fuel system cleaner and check your plugs for fouling, also it can't hurt to do a compression test though it is probably a waste of time. You may also want to check the timing to see if it has been advanced or retarded for some reason.
Mar 8, 2009 at 4:10 PM
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