Question about 1988 Chevrolet K1500

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88 Chevy P30, diesal. Rebuilt injection pump, new starter, flexplate, fuel filter, new batteries, new cable connections to batteries.......STILL won't fire. Glow plugs tested and ok'd, cranks good just won't turn over. No more starter fluid...please help!

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  • Chevrolet Master
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Did you loosen an injector line to see if you are getting fuel to the cylinder? Did you bleed the filter when you changed it? Was the rebuilt pump properly timed when it was installed? Are you sure all the air was bled out of the system after the pump and filter were changed? Do you have air bubbles in the fuel return line?
A copy of Haynes Diesel Engine Repair Manual, part #10330 ($20) could prove to be invaluable to help you track this down. It has excellent coverage of GM 6.2 and 6.5 engines. Hope this helps.

Posted on Mar 18, 2011

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