I have a 1997 Cnevy Suburban that will not start without putting on a 200 amp jump starter once it starts it run fine.

Asked by Redlew Jul 06, 2013 at 07:27 PM about the 1997 Chevrolet Suburban K1500 4WD

Question type: Maintenance & Repair

The battery is fully charge and will crank the engine fine but without the boost it will not start.

1 Answer

Check Fuel Pressure when cranking - you may need 13.5 to 14.0 Volts to open fuel injectors. Try test by running fuel pump only from charger - you will need to cut and resplice power wire to fuel pump. Easier test - use smll amount of starting fluid at connection on intake from valve cover - it should start and stay running as soon as the alternator increases voltage to get enough fuel pressure

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