Question about 1992 Toyota 4Runner

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Missing or Hesitating after a bad winter and lots of 4X4

I have a 92 4Runner 4cyl with 320,000 km on it! I have put approx $5000 into it now so can relate to many problems. But this latest has everyone baffled. I have been to 3mechanics and now am resorting to this forum before I take it to the dealership! $$$$$ It is missing or hesitating and losing power up slight hills sometimes and sometimes Also it kind of freezes in 2nd gear at 43 k then rpm goes to 3000, but speed doesn't pick up? .I was getting surges periodically but now none. This has been going on for 3weeks now. It is not a hole in the intake hose, nor pick up, regulater hose, vacuum hose,igniter, injectors, fuel pump, filter, wires, has been diagnosed for torque sensor, etc. Just had Coolant Temp Sensor replaced. Noone has been able to fix nor figure problem out? Any ideas that I haven't heard of would be appreciated. I'm ready to sell and get new one! Thanks

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  • D J
    D J Jan 17, 2009

    Had a catalytic converter put in March 07. Yes on the airflow sensor, the emission test all I can say is I made it through Aircare with flying colors a month ago, does that mean will bring that to Toyota's attention.



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Have you had an emission test done to check the catalytic converter,also how about the mass airflow sensor? both have been know to cause similar problems.

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Posted on Jan 17, 2009


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