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Registered
Join Date: May 2000
Location: Chester,NJ,USA
Posts: 42
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Accel problems
Question for the experts:
My car idle is fine. Starts perfect when cold. Has a hot start problem for now 2 years (unsolved). Since a couple weeks it has a very annoying acceleration problem: as long as I accelerate moderately it's OK but if I give sudden acceleration it seems the engine is going to dye, sort of runs on 3 cylinders (more like 2 cylinders), I get absolutely no power. Finally some power comes in with a big delay but still far from normal. I just got new coil, new wires, new DME relay, new gas pump, new gas filter, new spark plugs. The oil pressure and water temperature are good. Any ideas? Jean |
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10-13-2003, 11:35 AM
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What is your fuel pressure at the fuel rail when you give it some gas, it sounds almost like your FPR or damper is bad.
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2021 Model Y 2005 Cayenne Turbo 2012 Panamera 4S 1980 911 SC 1999 996 Cab |
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10-13-2003, 11:39 AM
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Join Date: Nov 2002
Location: Shennandoah Valley, VA
Posts: 320
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Possibly debris build-up on the speed and reference sensors - remove, clean, reinstall (I read where the magnets can pick up debris which will affect their ability to correctly read the flywheel). Good luck reaching them.
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10-13-2003, 12:44 PM
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What model and year?
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Hugh - So Cal 83 944 Driver Person NOT a 'real' Porsche -- Its Better!!!! When was the last time you changed your timing and balance belts and/or cam chain and tensioner? New Users please add your car's year and model to your signature line! Never break more than you fix! |
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10-13-2003, 01:00 PM
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Join Date: May 2000
Location: Chester,NJ,USA
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Car is 944 1986 (automatic)
FPR is new but not the damper. Do you know if a bad damper can cause such problem? |
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10-13-2003, 03:17 PM
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1985.5 Porsche 944 2.5L Supercharged 
911 SC
Panamera
1983 Porsche 944 2.5 liter
