94 chevy 6.5 dsl

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  • Jamesjim
    Member
    • Aug 2008
    • 33

    94 chevy 6.5 dsl

    have codes 18,35,54.Vehicle turn on then cuts out.
    18 is the code that I am focusing on because in my understanding is the fuel pump cam reference signal.but i will take any heads up if anybody has had a similiar problem with this truck..thanks
  • lenny09
    Junior Member
    • Mar 2009
    • 3

    #2
    Response to 6.5 dsl

    In my experience w the 6.5s,the pump module and wiring are the most common problems.Not really familiar w the code 18.

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    • bowtie
      Junior Member
      • Mar 2009
      • 2

      #3
      THere is an optical eye in the top of the injection pump. This is the problem when cam ref in pump is refered to. Most common is to have this problem after truck runs a while. If have access to other scanner clear codes and see if Code P1216 is set. Most likely needs pump if this code is set

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