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1995 Chevrolet p-30 5.7L Preignition / Knock
Posted to GM Driveability on 6/10/2009 21 Replies

vehicle came in with engine noise . diagnose broken crankshaft...replaced the engine with a good running used that we drove into the shop . change all sensors and tbi onto the donor engine and test drive .severe preignition .adjusted timing to 0 degrees (still...

21 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet p-30

VIN 1GBJP32K1S
Engine5.7 L / 8 cyl
DeliveryFI / tbi
EmissionsNot OBD-II Compliant
SymptomsPreignition / Knock
OccursCold, Hot, Under Load
Misc.Large Van 3500 Series Puralator
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet p-30

VIN 1GBJP32K1S
Engine5.7 L / 8 cyl
DeliveryFI / tbi
EmissionsNot OBD-II Compliant
SymptomsPreignition / Knock
OccursCold, Hot, Under Load
Misc.Large Van 3500 Series Puralator