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P1259, engine won't...
 
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P1259, engine won't rev over 4000 rpm

  

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I have a 2002 Honda Accord EX Coupe 2.3L 4Cylinder

A couple years ago I had a motor swap done and put a rebuilt engine in it and ever since then it has never gone over 4000rpms ever again, took it to everyone you can imagine including Honda dealer and nobody could figure out what the issue was, until recently when I figured out with a multimeter that there is a very bad live to ground short on the wire powering the oil switch. How should I go about fixing this problem?

-connor


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2 Answers
1

Scotty says it can be a wiring problem

https://youtu.be/zI8Wli80o3A?t=513


0

See diagnostic information for P1259 here:

https://www.way.com/blog/p1259-code-how-to-diagnose-and-fix-the-code/


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