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07 Quest P040 code and TLS/slip etc Forums > > 07 Quest P040 code and TLS/slip etc 07 Quest P040 code and TLS/slip etc
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  #1  
Old 09-22-2017, 10:45 AM
artsalfa artsalfa is offline
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2007 Quest
1979 280ZX
 
Join Date: Jun 2012
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Default 07 Quest P040 code and TLS/slip etc

07 Quest w 104k, has been hard starting (usually wont crank on first cold turn but always goes on 2nd try) but I'd thought that was a fuel filter issue and since its in the tank was not about to pull. Think is it separate to this anyway.
So got home from business trip and wife/son complaining that van not right CEK and TLS off/slip lights all on.
Plugged in my OBD reader and got two P0340 camshaft circuit A sensor bank 1 or single sensor codes. Engine seemed to run ok, took for a spin and immediately noticed transmission slipping badly in Drive, does not seem to do it in reverse? checked fluid, a bit low , added a pint. Cleared codes, all lights off and tried again, slip still there in D. and quickly CEK, TLS/Slip lights returned. engine starts and runs but stalls after a few minutes idle. Read enough to understand that I should prob replace both cams and the crank sensors but my question is can those actually cause the tranny to slip?
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  #2  
Old 09-23-2017, 10:27 AM
smj999smj's Avatar
smj999smj smj999smj is offline
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2006 Pathfinder
2003 Frontier King Cab
2003 Frontier KC SVE 4x4
 
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Replace the bank #1 camshaft position sensor; they fail occasionally. If possible, use a genuine Nissan or Hitachi sensor, but, if in a pinch, I have had success using Standard Motor Parts/Intermotor brand. When an ECM senses an engine management problem, it disables the traction control system, which causes all of those warning lights you mention. Once you get the sensor replaced, erase the codes and road test and see if your transmission issues still exist.
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Old 09-23-2017, 10:37 AM
artsalfa artsalfa is offline
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2007 Quest
1979 280ZX
 
Join Date: Jun 2012
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Swapped out the #1 cam sensor, pita but not as bad as it could be, solved all the probs so far....
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