LS1TECH - Camaro and Firebird Forum Discussion

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-   -   92 Vette won't fire (https://ls1tech.com/forums/lt1-lt4-modifications/1122885-92-vette-wont-fire.html)

amazza76 May 25, 2009 12:45 PM
92 Vette won't fire
 
My buddies 92 Vette won't fire. Last year he replaced the Optispark w/ an MSD unit, new MSD coil, new injectors, new battery, new O2 sensors. Car ran fine up until last Friday. When he starts it, the fuel pump starts, the rail gets pressurized, no injector pulse and it won't fire up. The starter turns the engine over all day but no fire. Any thoughts?

96lt1m6 May 25, 2009 12:49 PM
ICM i would definately replace the icm also check the wire connections to that and the coil.

amazza76 May 25, 2009 01:07 PM
ICM is behind the Optispark, correct?

96lt1m6 May 25, 2009 01:15 PM
no, it is mounted on the drivers side head.


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