Sniper EFI + Dual Sync - No Spark (was a driving truck)

[RustyPile]

Originally Posted by Shifty One

Did they mention potential reasons for the failure?

X2.. That question screams to be answered.. I hear/read this complaint about Holley not offering a flow chart or diagnostic procedure for their Sniper systems. "well, it sounds like the XXX is broken"... Every experienced mechanic knows that guesswork is not a diagnostic procedure..

KyleSeal, did the Holley Rep offer any steps that will verify his guess prior to buying another ECM??