engine died while driving and wouldnt restart why?

Asked by Apr 03, 2012 at 07:03 PM about the 1994 Chevrolet Suburban C1500

Question type: Maintenance & Repair

I have a 1994 suburban 1500 2wd 5.7L engine with 63000 miles (yes only 63000 miles).  Yesterday as i was driving the engine just quite and would not restart.  After having it towed to my house I tried it again this morning and it started fine and ran the whole day without a problem. The local mechanics tell me that they cant diagnose and fix unless it is actually in a not start condition.  What could be the problem?

3 Answers

12,945

There is no way to tell what happened. If it does it again. Try to narrow it down to an ignition problem or a fuel supply related problem. That's the best you can do for now.

115

Fuel pump.

975

Fuel pumps will fail intermittently sometimes at first before they finally quit, so borrow a fuel pressure tester from an auto parts store and look up what pressure is specified for your vehicle and replace if too low.

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