1988 Chevy 2500 How much fuel pressure does it take to open the injectors?

Asked by Jeanne Jan 03, 2017 at 12:09 PM about the Chevrolet Silverado 2500

Question type: Maintenance & Repair

2 Answers
223,905

Rowefast answered 7 years ago

You need 56 to 63 lbs. fuel pressure for the motor to run. When you get from 55 down to 50 you have a hard starting or no starting condition.

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223,905

Rowefast answered 7 years ago

Opps, thought it was a 98, so the fuel pressure for the 1988 should be 9 to 13 lbs. under 9 and a no start condition.

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