98 Chevy K1500 5.7 turn over but won't start.

Asked by Jun 29, 2015 at 07:45 PM about the 1998 Chevrolet C/K 1500 Cheyenne Extended Cab SB

Question type: Maintenance & Repair

New fuel pump, new fuel filter, tested 62 lbs at rail.  New distributor cap, rotor, ignition coil, plugs, and wires.  Tested electronic spark module...it passed.  Put a new crankshaft position module yesterday.  All plugs have spark and tested compression.  Still won't start.

4 Answers
1,635

answered 2 years ago

Could have jumped time. Bring number 1cyclendar up to top dead center. Look at roter see if pointing at # 1 on cap .

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19,530

answered 2 years ago

Are the fuel injectors pulsing ? Test with test light made for testing fuel injector pulse.

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answered 2 years ago

Bender, timing checked out OK. Firebird, will any test light work or do I have to have the fuel injector one?

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69,405

answered 2 years ago

You'll need a 'noid light to check for injector pulse. Run a compression test. If all cylinders test low or zero, it's jumped timing. HTH. -Jim

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