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Registered
Join Date: Jul 2004
Location: Louisville KY
Posts: 143
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1987 944S Cam reference sensor
I just got a 87 944S, I am having issues with starting it and I have come across this sensor that is on the back of the cam gear housing. It looks like some kind of reference sensor. I need to know where to find this because I think it is faulty and causing my car not to spark. Thanks in advance.
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1983 944 Copenhagen Blue MODS: ENGINE: Firebraid 9mm plugwires. Weltmeister Throttle Cam, Dansk exhaust. lo-temp thermostat & fan switch, aluminum radiator. SUSPENSION: H&R 250lb springs, KYB GR-2 struts(front) Bilstien Shocks(rear), Racing Dynamics strut bar, APPEARANCE: 15" Phone Dial wheels, a-pillar w/ VDO H2O and volts gauges. 1987 944-S Montego Black -needs your help |
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04-30-2005, 01:00 PM
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The cam sensor works with the two knock sensors. It does not stop the engine from starting if bad or disconnected. It does keep the timing from agressively advancing if bad or disconnected. Same with a bad or disconnected knock sensor.
Check the module between the DME and the coil. These tend to go bad. Oh yes, it is called the "ignition module". Just follow the wires from the coil you should find it. The S models use one sensor on the flywheel. There are cast lugs or "teeth" on the rim of the flywheel that the single sensor reads. There is a gap in these lugs that is the trigger for the TDC timing.
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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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04-30-2005, 01:23 PM
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1983 Porsche 944 2.5 liter
