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Registered
Join Date: Apr 2008
Location: Atlanta, GA
Posts: 10
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Guys, I have a’80 which was running perfectly well till past Monday, when I attempted to start it, it keeps on cranking but doesn’t start. Please help me figure it out. Have gas and battery is fine, new one.
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Moderator
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Check for Spark. Check for Fuel Flow. I would do spark first as you can do this easily.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** ![]() |
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Porsche newbie
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Might be a broken timing belt. The engine will spin faster than normal when trying to start due to lack of compression. You can also have a helper try to start it while looking down into the timing cover to see if the camshaft sprocket is turning. If the cam is not turning the timing belt is done.
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87 928 S4 Exported for Japan Last edited by Niles; 08-21-2009 at 06:39 AM.. |
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Registered
Join Date: May 2009
Location: Colorado Springs, CO
Posts: 721
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Easy way to check timing belt IS to check for spark. Distributor is on the drivers camshaft. ie if you got no sparky check to see if dizzy spins and if not timing belt is broke.
Two birds... One wrench. ![]()
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82 928 s3&1/2 5 Speed LSD conversion 87 944 N/A 5 Speed (Under Construction) 81 931 (maybe for sale, well their all for sale lol) Always looking for a good deal. Hello, my name is Carl and im a Poschaholic |
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Registered
Join Date: Apr 2008
Location: Atlanta, GA
Posts: 10
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Thank you guys for input, let me check these ideas. thank you very much again.
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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Another quick check is to put hand over exhaust while cranking to feel the pressure and flow.
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Moderator
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Quote:
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** ![]() |
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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Or hook up one of the waving arms inflatable things.
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