Was driving it and it stoped. no spark at plugs. fuel pump runs, change cam sensor changed sensor under spark plug cap. was thinking coil pack now.
SOURCE: 2000 GMC Sierra 4.3L no spark at the plugs...HELP!
no codes. most direct components changed.
computer. take it out or have the truck towed to the shop/dealer to test the computer.
SOURCE: 1999 Yukon cold start problems.
1999 Yukon Start Issue - I have replaced the octopuse, battery, fuel filter, fuel pump, still having problems starting in cold weather, sometimes after a heavy rain.
Any suggestions?
Thanks
SOURCE: Engine died while driving, cranks but won't start.
not all scanners a created equal. You need to check for trouble codes...............but it must be fixec by now.
SOURCE: 1994 gmc safair 4.3 wont run at idle and bad
Is the "service engine" light on at all?
If so, what codes are present.
Have you checked the EGR valve. If the valve is stuck, the engine will idle very poorly. You can remove it and clean the carbon deposites and make sure it moves freely.
The EVAP purge solenoid will also cause an idle problem but should show up as a service engine light problem.
Let me know.
Regards,
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