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I have spark and fuel, but still no start - help! 900 1992

posted by  benfingland on  Tue May 13 08:26 CST 2008
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last visit: Thu Aug 7 07:54 CST 2014
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The car is a '92 940 GL sedan. Wife pulled up to the parking spot, was running fine. A few hours later, I went out and it will turn over briskly, but won't start. Won't even try to start - no rough idling, or almost starting, etc. Fuel pump relay is fine, as is the radio suppression relay (removed and jumped the two big wires per the FAQ) - and I can smell raw gas coming out of the tailpipe, so am assuming it's getting fuel. Replaced the RPM sensor just a few months ago, so it's not that. Pulled each lead and checked for spark with a tester grounded to the engine, and each line sparks when it should. Even replaced the coil/ignition module unit with new (it's the square rex/regina. Timing belt is tight and secure, so that's not the issue either.

So what now? Can bad compression do this? Pulled plugs, and the #1 threads are a little oily, and they all have a little white ash, but nothing drastic, apart from smelling like gas.

Got a code from the computer saying 'idle air contol signal faulty or missing' but that was only after many attempts at cranking, and I did not get that code when the problem initially started. So I think it's just the result of excessive cranking....

Any help greatly appreciated - I love this car, but with gas prices being what they are, I'm getting more tempted by hybrids......





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