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Cmp & knock sensor errors - diagnosis advice please!


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Hi all,

 

Today plugged my jdm 350 into an obd 2 as Iit randomly died on me while driving today. Cranked back over fine but definitely a loss of power as all revs no grunt etc. No ecm, slip light etc came on though but wanted to check. Got these come up on the reader :

 

P0327 knock sensor/circ-b1

p0340 cmp sen/circuit b1

 

am i right in thinking check the wiring loom first? Are there any known spots where the wire could go? Or is it more likely both sensors are gone and replace.

 

Thanks!

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