Recent content by Elhorn

  1. Elhorn

    What is this plug, and issues with idle.

    I never would've thought that. Thanks for letting me know what that plug was for, I was worried it was to something important. You guys are awesome, thank you so much for the assistance.
  2. Elhorn

    What is this plug, and issues with idle.

    That makes a lot of since. It was running rich, so much so you could smell it. It's still got the cats on it, so that was surprising. I do home it gets better economy, too, it was running less than 12 MPG before! That's pretty bad!
  3. Elhorn

    What is this plug, and issues with idle.

    Sorry for the late reply, my internet went down yesterday. It was the Engine Coolant Temperature Sensor. It was shorted when warm. Popped a new one in, problem solved. As to why it was setting a code 34? No idea. I didn't believe it was an issue with the MAP sensor to begin with, but that was...
  4. Elhorn

    What is this plug, and issues with idle.

    Alright, so I found a couple of things on resetting the IAC, which I did, with no effect. I've resorted to testing other sensors that I haven't tested prior to today and have found that the Engine Coolant Temperature sensor is reading an closed short. I'm going to replace this and see what...
  5. Elhorn

    What is this plug, and issues with idle.

    Thanks for the replies, it's not O2 or MAP sensor. both of those appear to be working correctly, as in they have voltage going to them and appear to read what they should be during testing. I did not do a relearn on the IAC, I will see what I can find for that.
  6. Elhorn

    What is this plug, and issues with idle.

    Greetings, All I've lurked this forum for quite some time, never had a whole lot of problems with my own truck, but now I need some help. My truck is an all original 1989 C1500 with the 5.7 and 700r4 auto trans. It's just about to hit 124k miles and was maintained exceptionally by the previous...
See more

Latest posts

Members online

... and 11 more.
Total: 2,018 (members: 61, guests: 1,957)

Forum statistics

Threads
64,704
Messages
1,399,081
Members
52,267
Latest member
Ster1

Share this page

Top