Problem Reports

Toyota 4Runner

Report: Improperly Adjusted Valves May Cause Emissions Failure/Rough Idle

• car runs rough
  car runs rough and smells like something is burning after driving just a few miles. It has been smelling for a while. The check engine light has come on and off three times in the past few months...

  Q&A > Toyota > 1993 Toyota 4Runner

• how can i tell if it's the valves or the plug wires that are bad.
  i took it back and the mechanic said i needed a valve job. 1,200.00. it accelerates fine but as...

  Q&A > Toyota > 1998 Toyota 4Runner

• where is the idle screw located
  where is the idle screw located?

  Q&A > Toyota > 2001 Toyota 4Runner

• why does the idle drop from 900 rpms to 500 rpms when the A.C. is running?
  I read the manual and the idle is supposed to adjust automatically.

  Q&A > Toyota > 1995 Toyota 4Runner

• High idle when cold. Throttle Body?
  It idles like 1500-2000 when it's cold suddenly. After driving a few minutes it comes down to n...

  Q&A > Toyota > 1998 Toyota 4Runner