1996 suburban turns over 3..4 times before it fires

Asked by Guru6N8M May 13, 2017 at 02:03 AM about the 1996 Chevrolet Suburban C1500 RWD

Question type: Maintenance & Repair

Please help.I have a 96 suburban  have done plugs .leads  
new fuel pump and filter. But it still winds over 3 to 4 times
sometimes more before it fires. All on occasion  will back
fire through  throttle body..what next.

3 Answers
221,025

Rowefast answered 6 years ago

Yes, as tennisshoes says, check the fuel pressure. It should be 56 to 63 lbs. Also once fuel pressure is built up on a fuel pressure gauge, turn the key to the off position. Fuel pressure should not drop more than 5 lbs in 3 minutes. If it does, that is a sign of the spider injection assembly leaking, and would need replacing.

Mark helpful

Guru6N8M answered 6 years ago

Update.... right I have just brought a fuel pressure tester.will do this test tomorrow..the other thing it did today was when it fired a puff of black smoke from exhaust cleared quickly. Funny thing is it starts great straight after being driven. Wait ten minutes then hard to start again.

Mark helpful

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