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  1. 89C4KB

    C4 Spark Plug Confusion

    Problem Solved! LLC5, thank you for the follow up advice and helping me keep it simple. Last night I grabbed a flashlight and went looking around the heads. It turns out there was a yellow spade connector on a sensor between the 6 and 8 cylinders that was cocked at a 45 degree angle. I...
  2. 89C4KB

    C4 Spark Plug Confusion

    I'll try that when I get back home with the car on Monday. Thanks
  3. 89C4KB

    C4 Spark Plug Confusion

    My temperature gauge read LO (digi dash) and never changes. The temp sensor is located on the front of the intake manifold. The connector was connected and I could find no damage to the exposed wiring before it entered the plastic loom. I installed a new temp sensor and it still reads LO.
  4. 89C4KB

    C4 Spark Plug Confusion

    I have looked around the top and sides of the tank. There is no sensor, or anywhere for a sensor to mount. There are no wires going to the tank either. The only thing going to the tank is the hose from the radiator neck. Edit: I believe I might be referring to something different than you...
  5. 89C4KB

    C4 Spark Plug Confusion

    Surge tank is between the hot and cold marks. The sensor was not unplugged at the manifold. I traced the wires back but lost them into a loom. I was at the auto parts store picking up the distributor cap and rotor so I grabbed a new sensor. I installed that and it still reads LO. I noticed...
  6. 89C4KB

    C4 Spark Plug Confusion

    Update, but i still need help! I got all the plugs changed this morning. That was not the easiest thing I have ever done, but not impossible either. From what I had read I was fearing the number 8 plug, however that one was not so bad. The number 2 plug gave me the most trouble, until I...
  7. 89C4KB

    C4 Spark Plug Confusion

    I probably should have been more clear when I said new parts front to back. So far I have replaced the air filter and cleaned out the MAF sensor. Tomorrow entails new plugs, plug wires, rotor and distributor cap. Followed shortly thereafter by oil and oil filter. Even though it's clean, I...
  8. 89C4KB

    C4 Spark Plug Confusion

    I recently purchased a 1989 Coupe with 42,000 miles. It did not come with any service history. It currently has a minor vibration from the engine at low to mid rpms. It goes away and runs hard when I get into the throttle. I pulled the air filter and found it was black. Judging by this I...
  9. 89C4KB

    Exhaust Questions from a first time Corvette owner

    Thanks for the response. I had already found that article in my Code 36 panic search of the internet, but still appreciate it. I took out the MAF sensor the other night and cleaned it with MAF spray cleaner. Reinstalled it, and a new air cleaner which the car was in desperate need of, and...
  10. 89C4KB

    Exhaust Questions from a first time Corvette owner

    Damn!!! I was driving the Corvette yesterday when I started to feel that it had lost some pep. I initially chalked it up to the new exhaust. Then after the third start of the day, the Service Engine Soon light came on. I was originally optimistic this was merely an automatic light that came...
  11. 89C4KB

    Exhaust Questions from a first time Corvette owner

    Good news...I passed the "enhanced" California Smog Check inspection today! Thank you for the responses. After driving the car around all day today, I can't help but feel like I would like a little more oomph out of the exhaust sound. I am tempted to try a set of Magnaflow mufflers for the...
  12. 89C4KB

    Exhaust Questions from a first time Corvette owner

    First time Corvette owner and just joined the site last night. I joined because I have a few questions and want to learn. I know next to nothing about Corvettes, other than the fact that I dig them and I’m happy to own one. I purchased a 1989 Coupe, Bright Red, 42,000 miles, bone stock...
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