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06-29-2015, 09:35 PM | #1 |
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Join Date: Jul 2010
Location: Las Vegas, NV
Posts: 969
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Cam sensor P0342/P0343 driving me up a wall need help
Okay, since getting my LS conversion going, my ECM continues to throw either P0342 low voltage CPS (cam positioning sensor) or P0343 high voltage CPS. So far, I have changed the CPS with an OEM sensor with a new plug. It still threw the codes. So then, I ohmmeter the 3 wires going from the sensor to the ECM/ #61 ECM blue plug to pink-back wires (low signal) #73 ECM blue plug to Brn-white wires (high signal) and #39 ECM red plug to red wire CPS battery power and all good. I made sure none of the pins were rolled over in the harness or ECM and was okay. So last resort, I called Todd at S&S Performance in Arkansas (who is great at calling back)! They did my rewire on my harness, & he is a super good dude, & suggested I swapp the 2 pulsating wires #73 & 61, that didn't work either. He is now suggested my ECM could be bad.. Just wondering if anyone has had a similar problem, before I spend more money on a new one. Thanks for any help or suggestions.
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Mark 1972 C10 SWB LS1/T56 6 speed trans/4:56 posi with 5.5"-7" static drop/Boss 338 Wheels 18"x20" My build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=424609. My first start up http://youtu.be/R899YQ1OcjU |
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