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View Full Version : Help! Weird Issue L99/6L80E



ProTouring442
04-26-2021, 04:31 PM
We have a 2010 Camaro L99 (ECM and harness by Speartech) in my father's '59 Impala.

The issue usually happens when the car has been driven, then allowed to cool off. We get a no start condition where I have spark, but no injector pulse.

Although everything tested good, I replaced the crank and cam sensors and ignition switch "just because."

I don't see anything on datastream that looks out of place.

Thoughts?

ProTouring442
04-27-2021, 07:57 AM
Wow, everyone just as baffled as me?