map sensor

  1. J

    Map sensor help.

    Hey guys, I recently swapped the motor in my k1500, I put a motor that I had purchased back in 2012 for a separate project I had brought from JEGS, the engine has a mild cam in it now it seems like the map sensor can’t find the sweet spot. It ideas rough, idea surges, Unfortunately I’ve moved...
  2. kzvwrld

    Project Sierra; Codes 33 & 45?

    About two months ago i bought a $1500 94 Sierra off marketplace, and finally decided to tackle the service engine light. Its been throwing codes 33 and 45 ever since I bought it. Started with the basics (cap and rotor, plugs and wires, fuel filter) along with a new battery, alternator and...
  3. M

    1990 k1500 map sensor/ throttle position sensor error

    Hey y’all I’m having a problem with my truck and I’m just shaking my head at this point. I’ve got a 1990 K1500 Silverado 5.7 tbi extended cab 4x4. I’m getting a service engine soon light that gives me a code 12,22,32,33 from what I understand that’s the throttle position sensor error (signal...
  4. Marc Elkins

    6.5L MAP issue

    Hey all, I have a question about my Detroit 6.5L. For the most part, I know this engine pretty well & it has been a fun beast. I had the Diamond Eye turbo back back installed & now the damn MAP sensor keeps faulting out. I'm stumped. Is there a way to do a "bypass" or "delete"? I have replaced...

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