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idle speed

  1. 2000 Tundra 4.7L engine swap problems HELP?!?

    1Gen-Tundra
    Hello folks! First time posting here, hoping to gain some knowledge. Me: Rarely ever hire a mechanic, well equipped to do all repairs at my house. (almost) lol The Issue: I was given this 2000 Tundra from a brother in law, who burned up the engine by overheating it to the point...
  2. Occasionally on cold start, engine idles up and down.

    1Gen-Tundra
    I've searched the forums and couldn't find much on this. 2005 4.7L 2wd TRD package access cab autotranny 98,500 miles. Ocassionally when I start up the truck on cool mornings, the idle will go from about 500 to 1000 rpm, up and down, up and down. Revving the engine makes not difference. I...
  3. Idle Speed Jumps Up & Down

    Tundra
    My 2008 4.7L Tundra has what I consider a Safety Issue, because when stopped at light or in traffic, it will, after a few (20) seconds, rev up from a reasonable 600 RPM to 900 RPM for no apparent reason. After staying at 900 RPM for a few (20) seconds, it will go back to 600 RPM. It will run...
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