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98 blazer 4.3 no spark

   
Old Jun 25, 2009 | 03:39 PM
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Default 98 blazer 4.3 no spark
no spark out of the coil have codes 336 339 both are crank sensor codes i swapped it out and tried the coil and ignition i have twelve volts at all three still no luck any help would be great
 
Old Jun 25, 2009 | 06:50 PM
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Have you checked the wiring between the CKP and the PCM?
 
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