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Failure to fire... sometimes... any ideas?

 
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Old 04-23-2011, 11:22 AM
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Icon5 Failure to fire... sometimes... any ideas?

Okay fellas, heres what I did this week.
Disassembled the engine and replaced the following parts.

Head Gasket
Timing Belts
Water Pump
Dizzy cap & rotor & ICM
Main fuel relay
Vacuum Lines
IACV
FITV
Spark plugs
Plug Wires

Now, I am damn near 100% positive my timing was dead on. Turned the engine over by hand after doing the timing and my marks lined up even after a few revolutions.
The car will fire up randomly after a couple hundred tries, but wont stay running unless I give it gas. At idle it simply dies.
The dizzy cap and rotor are done properly as well, however I did notice a little play in the dizzy camshaft gear. The gear moves side to side, which I dont think it should do, but I get very strong spark from the dizzy when I turn over with spark plugs out and grounded.
Anyway, fuel pump primes and seems to have no problem putting out the pressure needed and injectors all tested good.
All wiring has been checked and rechecked, nothings been forgotten as far as myself or my neighbor can tell.
If anyone has ideas or wants to throw out some troubleshooting help it would be greatly appreciated.
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Old 04-23-2011, 01:37 PM
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Re: Failure to fire... sometimes... any ideas?

check all of your grouds
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Old 04-23-2011, 02:43 PM
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Re: Failure to fire... sometimes... any ideas?

HA! I got it fixed and wanted to let you guys know before you wasted time telling me stuff. Funny as hell seeing that the one person that posted up something said GROUND. Which is pretty darn close! The bolt on the thermostat housing that holds the wires was loose. Tightened up and BAM! A perfectly running fine tuned rice eating machine! Damn I love this stuff!
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