1996 GMC Suburban 5.7L. Motor cranks over, will not start.

Asked by Mar 05, 2014 at 03:56 PM about the 1996 GMC Suburban

Question type: Maintenance & Repair

Obtained this vehicle in a "no start" condition.  Attempting to fix problem. Engine turns over, will not start.  Replaced the crankshaft position sensor.  Now we have actual fire shooting out from top of carberator.  Where to begin?

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10

ignition timing is off

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