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LS1 in 67 CHEVELLE CODE ERROR P0342

This is a discussion on LS1 in 67 CHEVELLE CODE ERROR P0342 within the Internal Engine forums, part of the LSx Technical Help Section category; I RECently installed a LS1 in my 1967 Chevelle. I had all the ecu computer done right. When i test ...

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    LS1 in 67 CHEVELLE CODE ERROR P0342

    I RECently installed a LS1 in my 1967 Chevelle. I had all the ecu computer done right. When i test drove my car, the 1 and 2 gear kinda bogs out at 4000 rpm. I put a code reader in my computer and an error code P0342 came up. IT said CAM SHAFT POSITIONING SENSOR LOW INPUT. So I went to the local dealer and bought ME A NEW CAM SHAFT SENSOR and replaced it. Still having the same problem. I think this is what causing my car to not run right... Can someone please help.... thanks, Doug

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    Member 180ls1's Avatar
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    1998 Firebird Formula WS6

    yes that will cause major problems your timing could be pretty far off. The only thing i would know to do is take it to a tuner and have him take a look at all the ecu settings and what is going on

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    The code is for sensor circuit low voltage. Check the red wire (terminal c/ connector c2 terminal39) for voltage (12v) and the pink/black (terminal b/ connector c1 terminal 61) for ground, the remaining brown/white wire (connector c1 terminal 73) is the input from the sensor to the pcm. If all wiring checks out good (proper voltage, good resistance etc.) then you have a bad pcm. Good luck.

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