1995 Chevy Cavalier wont start

Tiny
SNIPER1668
  • MEMBER
  • 1995 CHEVROLET CAVALIER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 15,200 MILES
I bought my daughter this car it was sitting for some time? I changed several parts on it mostly sensors, plugs and wires, new oil and tranny fluid, the car starts great when its cold and runs excellent but when it gets hot ( normal temp ) it wont re-start till after a 15 - 20 minute cool down, I re-wired the cooling fan to run in aux and start on the ignition switch, what im I missing aqnyone had this problem?
Tuesday, August 10th, 2010 AT 5:35 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If it won't restart upon shutdown don't wait do below immediately to determine if its fuel or spark problem.

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure with a fuel pressure tester designed for your fuel system to rule out the fuel filter/fuel pick-up strainer/fuel pump/pressure regulator and also listen to the injector/s are they pulsing or hook up a noid light and see if it flashing-Depends on what type ignition system is yours, No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, camshaft and crankshaft position sensors and computer Note: If it doesn't apply to your vehicle disregard it meaning if it doesn't come with one ignore it and keep testing
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Tuesday, August 10th, 2010 AT 5:46 PM
Tiny
SNIPER1668
  • MEMBER
  • 5 POSTS
I have good spark, I just bought a fuel pressure guage but there are no access ports to check fuel pressure
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Saturday, August 14th, 2010 AT 5:28 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Find the fuel filter and tee-in
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Saturday, August 14th, 2010 AT 9:31 PM
Tiny
SNIPER1668
  • MEMBER
  • 5 POSTS
Thats what I did no pressure from fuel pump, no power either, trace problem to computer not energizing fuel pump coil
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Monday, August 16th, 2010 AT 7:54 PM

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