• Welcome to The Truck Stop! We see you haven't REGISTERED yet.

    Your truck knowledge is missing!
    • Registration is FREE , all we need is your birthday and email. (We don't share ANY data with ANYONE)
    • We have tons of knowledge here for your diesel truck!
    • Post your own topics and reply to existing threads to help others out!
    • NO ADS! The site is fully functional and ad free!
    CLICK HERE TO REGISTER!

    Problems registering? Click here to contact us!

    Already registered, but need a PASSWORD RESET? CLICK HERE TO RESET YOUR PASSWORD!

Search results

  1. W

    4L80E Tranny issues

    Thanks Guys, I did replace the T-stat. it was defective, stuck open, check engine light now comes on after driven for a few miles, code 15. I had OD until the engine warmed up. I have ordered a OBD II scanner that will also read OBD I vehicles, my truck is OBD I. When I receive it, I will see...
  2. W

    4L80E Tranny issues

    The sensor appears to be operating properly, water temp 46 degrees=4850 ohms, water temp 73 degrees=2780 ohms, 160 degrees = 625 ohms, this seems pretty consistent with the Chilton repair manual I have.
  3. W

    4L80E Tranny issues

    Thanks AK diesel driver, that is the sensor I replaced, however, I will check to ensure proper operation. I appreciate your help.
  4. W

    4L80E Tranny issues

    I am new to this site, Please excuse me as I'm not sure what I am doing. I recently purchased a 94 GMC Sierra K2500 Pickup. 6.5 turbo with a 4L80E tranny. I lost Overdrive, and received codes 15 and 81, (coolant temp sensor and 2-3 shift solenoid) I replaced coolant temp sensor and all shift...
Back
Top