1989 GMC Truck Repair Question
Topics covered: Spark, Engine, Fuel pressure.
Mileage: 16,800 miles.
Mileage: 16,800 miles.
Asked on December 26, 2012
GMC Truck Spark Problem
It wont, it turns over
Answer
Replied on December 26, 2012
How long since a tune-up? Any applicable mil codes? Have a helper crank it while you visually check for spark at the spark plugs. If you have spark everywhere, use a gage and check fuel pressure. Engine cranking, do you have an injector pulse?