pcm

  1. Lonely SHO

    CCRM or PCM?

    Hello all, I've got an '89 SHO and the radiator fan has been staying on after the key has been switched to off and draining the battery. I'm not sure it this is because I have a bad PCM temp sensor or a relay in the CCRM stuck on. I would like to avoid buying a PCM and CCRM, and if possible...
  2. H

    93mtx primes,cranks, tach responds, but won't start

    Car has been running fine for half a year since having time to wrench during this whole covid thing. I've been driving it a few times a week since March with only 1 issue. Wife took the car out yesterday cause I needed the truck. She fired right up, and got her there. On the way back she...
  3. C

    New wiring harness problems

    I installed new wiring harness for my 98 I got from sho-parts.com installed entirely put back together and crank but no start which I got curious and it cranks no start with pcm unplugged so go to code read and there is power to obd but scanner won’t link car started and linked before this any...
  4. 9

    93 MTX SHO X2J PCM Replacement Struggles

    I'm having trouble replacing my PCM. I pulled the old one and am unable to get the "new" one to plug in. I've tried having someone pushing while ratcheting in the front fire wall. If anyone has any tips or suggestions that's be great. I wouldn't want to have to tow it to a mechanic just because...
  5. Garichette

    The SHO must go on

    I have a 94 MTX that had the eec fuse blow while driving. got towed home discovered the fuse changed it, burned out first crank this caused the pump to not prime. I had to get to work so i threw a 40 in the 30 and it ran but would continue to die. it did this a few times then ran just fine, so...

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