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Registered
Join Date: Apr 2010
Posts: 3
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Young noob needs help
Hello all. I have a '79 924 na with a serious problem. My uncle and I are trying to get this car ready for when I am able to drive (I'm 14 now).
The problem we have now is fuel is pouring out the exhaust when we try to keep it at idle. In the past 3mos. we have replaced the plugs, cap, rotor, coil and wires. The car has never run well, but now this. It's as if there is too much fuel being dumped into the cylinders. A recent oil change showed us there was at least 2qts. of fuel in the oil, but now it is blowing out the exhaust. We are really at our wits end and seriuosly thinking about dumping this car. Please help. Thanks! ![]() |
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Registered
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sounds like a problem with the injection system... I would troubleshoot that first.
More than likely, the 924 guys will direct you to the 924.org site... there is a TON of info there and those guys are very helpful! I am sure they will get you sorted out!
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Mike - CFI, A&P Mechanic w/ I.A., Aztec driver at Island Tyme '88 951S - zermatt silber/black - staying stock. purchased in 11-2006 '84 944 - gemini grau/tan+brown - lightly modified. purchased in 11-2001 2021 Tesla Y - to get me to work |
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Quote:
Make sure you have your insurance paid up. Get on the 924 Board and get help. 924Board.org :: Index The engine looks terrific. My gone '79 never looked that good. You will find many members with current skills for the '79 GL John
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo) |
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Registered
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All the injectors flow constantly in that injection system. The problem is likely the fuel distributor being stuck partly open. Remove the fuel distributor and make sure the fuel pin moves in and out perfectly smooth. Then check the air flow plate for proper action against the fuel pin in the fuel distributor. One thing you should consider is getting a fuel pressure gauge set and service manual for it. Pressure is everything in this type injection, so if you can’t test it the different pressures thorough the system you are shooting in the dark most of the time.
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