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179 Posts
just replaced ICM, battery is good,,,,,but my car doesnt get any spark to the plug,,,,i smell gas but there is no spark what could it be???
NO SPARK???? on LT1 9c1
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9,190 Posts
optical sensor/ the ecu
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179 Posts
optical sensor?? u mean opti spark?? or ignition coil??? and the ecu.....idk if its bad...the car had been running great till last week when it died on me...
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9,190 Posts
let me try again..
bad coil
bad icm
bad optical sensor
bad ecu
bad coil wire
bad spark wires
bad opti wiring harness
all these have their own function that plays a part of the ignition system
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8,386 Posts
Do you have a meter to read voltages?
Do you have an FSM?
These things are crucial to diagnose an opti or ignition problem.
Read here it is a good help as it is all broken down for you.
http://www.mainstreamtopics.com/forums/index.php?showtopic=78
Do you have an FSM?
These things are crucial to diagnose an opti or ignition problem.
Read here it is a good help as it is all broken down for you.
http://www.mainstreamtopics.com/forums/index.php?showtopic=78
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