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Discussion Starter · #1 ·
ANyone know of a way to test sensors like the ICP without a scan tool? My SES light is on and off and the truck runs great when it's on. When it's off I have a nasty miss under load. I don't have a scanner and don't have time to leave it with someone. I was hoping there was a way to test sensors if I removed them from the truck one at a time.
 

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unfortunately you cant test it without a scan tool because you need to see the values its producing.

ill do some research for you and see what i get
 

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Discussion Starter · #4 ·
I figure that it must be the ICP. I have ruled out the cps because it wouldn't get better when the SES light came on. Not much else controld the fuel systems. It has no spark plugs and I know its getting fuel. The pump and injectors are not going to work better with the SES light on. I think it's getting bad reading from the ISP.

Thoughts?
 
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