This problem just started. Parked at store, 2 hours later will not start. Had a code P1345, cleard and not returned. Replaced fuel pump and filter. No help. Fuel pressure is 55-60. Good spark. Will start and run if fuel is poured into TB opening. While running this way if throttle is pressed engine will die as if out of fuel.
Cranks but not start on 1997 Chevrolet Suburban 1500
by Ralph1025 in Omaha, NE on September 24, 2010
ANSWER by Visitor on November 12, 2010
fuel pressure for cold start must be no less than 62lbs. vehicle will run at 45psi after engine is warm. check pressure regulator. if reg. holds steady, most likely fuel pump is weak.
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