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99 caviler electrical ignition problem
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garyb32
Novice
Feb 26, 2011, 12:53 PM
Post #1 of 8
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99 caviler electrical ignition problem
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1999 chevy caviler, 2.2 ohv, it seems to be out of time electronicaly but i checked the timing and the gears, the timing is correct. My question is, is it out of time electronicaly? I have replaced the cam and crank sensors,
ignition module, head gasket, everything seems to be in place, but wont start, it fires thru butterfly on intake. HELP why wont it start
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 26, 2011, 1:00 PM
Post #2 of 8
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Re: 99 caviler electrical ignition problem
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What's the history on this. How did the problem develop and what has been tried already?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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garyb32
Novice
Feb 26, 2011, 1:06 PM
Post #3 of 8
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Re: 99 caviler electrical ignition problem
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overheated, two weeks ago, replaced water pump, thermostat, and heater core. still no heat, stalled out would not start, towed to house, replaced ignition module, head gasket, cam and crank sensors. checked the timing, belt and gears correct - removed plug one and it fires countinusaly not correctly, removed plug two same thing, telling me it is out of time electronicaly? could it be the ecm or is there something else i could check prior to replacing the ecm?
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 26, 2011, 1:11 PM
Post #4 of 8
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Re: 99 caviler electrical ignition problem
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It's not possible to be out of ignition timing and neither is a continuous spark.
Do a compression test and use a spark tester to check the spark at the end of the wire.
Use a noid light to test for injector pulse at the injectors also. let me know what the results are.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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garyb32
Novice
Feb 26, 2011, 1:33 PM
Post #5 of 8
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Re: 99 caviler electrical ignition problem
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all plugs are firing on intake,compressiion,power and exhaust as though the computer is confused-the fact the timing was checked and found to be fine and there is good compression across the board-valves are in right position at top dead center-has us stumped
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garyb32
Novice
Feb 26, 2011, 2:30 PM
Post #7 of 8
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Re: 99 caviler electrical ignition problem
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sorry i am new to this, i'll do the testing you asked and post it in the am
thank you for the help and no more duplicates or pms
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re-tired
Veteran
/ Moderator
Feb 26, 2011, 9:11 PM
Post #8 of 8
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Re: 99 caviler electrical ignition problem
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When head gasket was replaced was head checked by machine shop for cracks and warpage ?
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