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New scenario 930 turbo problem no start I am getting tired already!
I put some gas into the valve body and of course the car starts up. But you would think that when it runs out of gas the car would die. But NO the car idles alittle funny and runs O.K. when I punch it. Then when I turn off the car, and start it again she just turns over. Like no fuel.,.. I had her running for 10 minutes before I turned her off... I am about to send her to the mechanic... FRUSTRATING!!! does anyone have any idea????? Please help last and final try...
ALOHA FROM HAWAII |
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09-23-2006, 06:34 PM
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E-85 sippin drunk
Join Date: Jan 2002
Location: Warner Robins, GA
Posts: 1,554
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It could be numerous things...bad fuel pump( 930's have two), stuck piston in the fuel distributor, clogged fuel filter, etc. What have you attempted to do to fix it?
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Brad...930 gt-1 racecar, increased displacement to 3.6L, JB racing Cylinders, JE 8 to1 pistons, stroked crank, Carrillo rods, extrudehoned 3.2L intake, full bay Bell I/C, GT-2 EVO cams, Rarly8 headers, GTX-3584RS turbo, twin plug, P&P heads, Link G4 EFi system, G-50/50 with LTD slip and oil squirters/oil cooler, zork tube, full race coilover system, with carbon fiber body, full cage, E-85 sippin drunk |
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09-23-2006, 06:55 PM
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I changed the fuel filter only but I did not bleed ? Could that be the problem? How do you test the 2 fuel pumps? I was thingking it could be the cold start valve?? Too many guessing games... What would you check first? ALOHA
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09-23-2006, 07:40 PM
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Quote:
I would check the system pressure with a cis gauge set. My WAG (Wild A$$ Guess) a blown airbox. Last edited by ruf-porsche; 09-23-2006 at 08:42 PM.. |
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09-23-2006, 08:39 PM
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Join Date: Dec 2001
Location: MA USA
Posts: 2,938
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Try bleeding the injectors first. With the key on push down on the air flapper in the airbox. Do that untill the injectors squeal.
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Dean 911 SC turbo, 3.0L 930 motor, G50, 930 brakes, DTA EFI, 352 RWHP DynoDynamic dyno, |
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09-24-2006, 03:53 AM
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I'm by no means an expert but the way you describe your problem leads me to the air meter contact (the blue plug on the back of the air meter). The air meter contact is directly responsible for providing the ground path to the boost/air meter relay which in turn provides the ground to the fuel pump relays. If misadjusted, it's possible that the limited air flow during cranking isn't enough to create the ground circuit to the relays. Once the engine is started (by pouring gas into the valve body) and air flow increases the misudjustment is overcome and the ground cicuit is made. A simple test for that whole circuit is to ground pin 30 on the boost/air meter relay and see if the car starts.
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--Mark-- 1979 RoW 930 1999 BMW Z3 Quote:
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09-24-2006, 05:11 AM
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Problem solved! When I changed the cap and rotor I started the #1 plug wire to the right of the notch Instead of the left. So she was running to far avanced (sort-of). After all that, it was something small!
ALOHA Thanks for all the help |
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09-28-2006, 04:49 PM
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1979 Porsche 930 3.3
