superstreeter

Im running The holley hp efi system. the car was running last night, warming up on the driveway. then it died. I cant get any spark. do the coils need to be grounded,,if not why am I not getting any spark ????? Ideas ???

stevieturbo

The list of reasons could be endless.

Is this a new install ? Is it wired correctly ? Are you getting a stable rpm reading with the software when cranking ?

You dont mention what coils you are using ? Easiest answer there is ensure they are wired as per instructions

88Fbody6L

iTrader: (5)

Coils are grounded via the harness. You should have a large ground that plugs into the ecu and runs straight to the battery. There is another ground (maybe 16 gauge) that should be grounded to the engine near the coils

chuckd71

iTrader: (23)

Did you ever figure out what was wrong?
I wasn't getting spark or injector pulses, then I switched the A and C pins on the cam sensor extension (running a 6.2 where an LS1 was) and now I get pulses but still no spark.