1994 Toyota 4Runner Timing

Tiny
PKINSELLA
  • MEMBER
  • 1994 TOYOTA 4RUNNER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 19,600 MILES
I have replaced Plugs, Wires, Cap, rotor, PCV valve. Some vacuum hoses etc. Also cleaned the throttle body on my 4Runner. 3.0 6. The engine runs runs rough and sluggish at idle, with loss of power throughout the rpm band. The truck will not pass smog and the tech told me the timing is 17 Degs advanced at 27. It does not burn oil, and the coolant does not burn off. So I do not believe its the head gasket although I have not done a compressioin check. Could this be a timing belt slippage issue? Need some help. Thanks
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Tuesday, December 16th, 2008 AT 9:19 PM

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Tiny
RACEFAN966
  • EXPERT
No the timing belt would not slip if it did on this engine it would be deadly to it as it is an interference engine. So I would check the timing myself and see where it is and adjust to 10 at 800 rpm this is spec. I would also check to make sure that none of the plug wire were put in the wrong order this can happen to the best of mechanics too so just check to make sure. Firing order is 1-2-3-4-5-6, even numbered cylinders are on the left or drivers side and the odd numbered cylinders are on the right or passanger side. Hope this helps if there is anything else just ask. Have a great day.
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Wednesday, December 17th, 2008 AT 10:51 AM

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