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  1. 1Gen-Tundra
    Hi all! I have a 2006 Toyota Tundra with a 4.7l V8 with 190k miles and it has a very loud sequel at high (4500+) RPMs only while at 75% throttle and up, in every gear. I think it is heat dependent, but I’m not about to go full throttle without the temp gauge being at least 1/2 way to operating...
  2. Engine, Intake, Exhaust, Induction
    I'll be working on my truck this weekend changing valve covers and an o2 sensor. I have this annoying whistling noise coming from somewhere in the engine area. What can I check? or what is most likely the issue? Also is this common on these trucks. It has 200,00 miles. I changed t-belt at about...
  3. 1Gen-Tundra
    I have an 05 XSP DC with about 80k miles on it. Yesterday evening I started up my truck to go home and thought I heard a noise from the engine that sounded like a kind of plasticy reed instrument. Almost like an electric horn with just enough power to start it vibrating but without the metallic...
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