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Registered
Join Date: May 2002
Location: New Jersey
Posts: 87
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engine running rough
Sunday i got into my 87 944S and the engine ran very rough ie. like only on one cylinder. after about 3 minutes it smoothed out and it was ok, once i gave it a little gas and the rpm's started to come down to idle it started to run rough again. I checked all the plugs and cap/ rotor all ok- timing also good. Needless to say i started the car again but all was ok 2 minutes later once again running rough. does anybody have any suggestions or has experienced this????????????
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07-02-2002, 10:33 AM
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Registered
Join Date: Aug 2001
Location: SW FL
Posts: 242
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First probable cause would be the DME (aka fuel pump) relay. This could be your trouble and it is considered a maintenance item to be replaced at some point. I had similiar symptoms.
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07-02-2002, 11:21 AM
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Registered
Join Date: May 2002
Location: New Jersey
Posts: 87
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just had the DME relay replaced in December, but that doesn't mean it could of failed.
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07-02-2002, 02:44 PM
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Registered
Join Date: Mar 2002
Location: Katy, Texas
Posts: 13
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Have you ever had the motor mounts replaced? The engine will run ruff at idle if the mounts are gone, and then smooth out once you build up speed.
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Keith Foster '86 951 Guards Red '87 924S Alpine White P-CarOnline Profile 968 Aero Mirror Upgrade 968 Door Handle Upgrade |
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07-02-2002, 06:28 PM
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Registered
Join Date: May 2002
Location: New Jersey
Posts: 87
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brand new mounts only 230 miles on them
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07-03-2002, 05:52 AM
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