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No spark 1997 Chevy Silverado w/ 305. It seems that the pickup is not sparking. We've changed the spark plugs, alternater, cam shaft sensor, & control module. What do we try now?
Check the coil pack to see if you have any spark coming from it and also here is a website if you need any GM parts www.schramauto.com or call them at 1-800-292-1032
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Change your spark plugs and your wires if that dont help it check you coils and if they good but still wont fix it than check your cranck shaft senseor and your cam shaft sensor
you need 3 things, air, fuel, and spark. if u have spark coming from all plugs, then ur good there, if you have fuel, and it still wont start, it may be the maf sensor or one of the other airflow sensors such as the map sensor.
check the crank sensor. no signal from the crank sensor causes a no spark condition. best way to check is to put a scanner on and check for rpms.
the crank sensor is differnt from the cam sensor
havent checked crank sensor
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