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1986 Chev/GMC Truck K1 5.0L Spark knock
Posted to GM Driveability on 8/15/1998

Virgin here at posting,(be nice!).LOL??? Oh well I tried! Sum light on why this engine, when started and driven when cold, at cruise or light crowd on throttle, after about 1/2 mile will start in with a slight spark knock, by 1 mile will be at a severe spark k...

 
Message Closed w/FIX

car Vehicle Data

1986 Chev/GMC Truck K1

VIN [No VIN Available]
Engine5.0 L / 8 cyl
SymptomsSpark Knock
OccursCold
Misc.Esc
Message Closed w/FIX

car Vehicle Data

1986 Chev/GMC Truck K1

VIN [No VIN Available]
Engine5.0 L / 8 cyl
SymptomsSpark Knock
OccursCold
Misc.Esc