[s-cars] 2142 code still pulling up

Robert Myers bob at chips-ur-s.com
Wed Aug 13 15:05:14 PDT 2008

Just a thought, Tim.  Are you running 93 octane or 91 octane 
fuel.  IIRC, your chips are for 93.  I could swap a set of 91 octane 
chips for you if it might help.


At 05:43 PM 8/13/2008, Premier Investment Properties,LLC. wrote:
>Hi all
>I have an ongoing problem...I Bought a set of MRC chips(stage II) and as
>soon as I installed them, my check engine light would come on after a hard
>pull in any gear. I checked the codes and it came up as 2142(faulty Knock
>sensor #1). After consulting with Bob Myers, we thought it might be the
>chips, so we swapped them out for a different set, and same result. So, I
>thought It must be the knock sensor, so I just finally got to it today and
>there is no difference in the cars performance. Everytime I accelerate hard
>(over 1.6bar) the ecu senses a knock and retards timing, reduces boost. I'm
>at a loss here and wonder what else I should be checking?
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