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Junior Member
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27 Posts
Discussion Starter · #1 ·
I have a 92 Buick that is giving me:
code 27 2nd gear switch
code 28 3rd gear switch
code 29 4th gear switch
code 31 MAP, Fuel injector,Park/neutral switch
code 42 Electronic spark timing open or shorted to ground during engine run or Direct ignition system fault-bypass circuit open or shorted to ground during engine run or Fuel cutoff relay circuit- open or shorted to ground.
Has anyone seen these before? Is there a web page to look at?
 
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