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Fuel and spark but no start 200 1983

posted by  Brick Head on  Sat Jan 31 10:43 CST 2004
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last visit: Sun Mar 31 19:45 CST 2013
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I just replaced a Engine Coolant Temperature sensor to try and alleviate hard starting and rich running conditions in the colder weather. The car was very difficult to start at times, but at least it would start. The old sensor was certainly fried - it fell apart while taking it out.

Since replacing the sensor the car will not start at all. I have spark and fuel. It will crank over fine and sputter once in a while but never catches on and runs. No intake leaks. I disconnected the air mass meter - no change.

Any ideas?

Thanks,
Curt








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    Fuel and spark but no start 200 1983

    posted by  porkface on  Sat Jan 31 13:08 CST 2004
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    last visit: Fri Oct 24 09:12 CST 2014
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    ok, but do you have enough spark? a cold start stresses the ignition alot. check everything from the plugs to the coil. then retard the timing to about 0-5 btdc. if it starts, replace the coil. good luck, chuck.








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    Fuel and spark but no start 200 1983

    uid 27's pic
    posted by  Art Benstein on  Sat Jan 31 11:29 CST 2004
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    last visit: Fri Oct 17 20:10 CST 2014
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    Here's how I'd go about it. I'd go back to the ECU and check the resistance it sees to the ECT. This will double check the new sensor and its wiring. My thoughts are the sensor gets broken during one of the many awkward flame trap services.

    If you were cranking a lot with the sensor broken, you may have washed down your cylinder walls and pretty much flooded the motor. Sniff the dipstick for fuel. Take the plugs out and ensure things are dry and let it cool a while before trying again. If it was really wet with fuel you might squirt a bit of oil into each plug hole.
    --
    Art Benstein near Baltimore







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