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-   -   08 sportsman 500 efi no spark and no fuel pump prime (https://atvconnection.com/forums/polaris-ask-expert-fond-memory-old-polaris-tech/353770-08-sportsman-500-efi-no-spark-no-fuel-pump-prime.html)

08sportsman500 10-26-2013 03:11 PM
08 sportsman 500 efi no spark and no fuel pump prime
 
Hi I'm new th this form I have a 08 sportsman 500 efi the ecm is not sending a ground single to my fuel pump/coil relay I have pulled the whole wiring harness out and tested every wire I have swapped ecm with another one same problem I swapped out almost all sensors and switches with another one of the same year make and model the only thing I'm not sure how to check is the cps other than that I'm lost

old polaris tech 10-26-2013 04:57 PM
If you've done all this,I'd just bite the bullet and have it hooked up to Digital Wrench. 1 hr charge in most cases can save you many more hrs of trying on your own to find the source of the problem.

08sportsman500 10-26-2013 05:18 PM
Originally Posted by 08sportsman500 (Post 3218014)
Hi I'm new th this form I have a 08 sportsman 500 efi the ecm is not sending a ground single to my fuel pump/coil relay I have pulled the whole wiring harness out and tested every wire I have swapped ecm with another one same problem I swapped out almost all sensors and switches with another one of the same year make and model the only thing I'm not sure how to check is the cps other than that I'm lost
OK thanks for the help I'll take it in on Monday


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