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Problems with 2003 Toyota 4Runner FUEL/PROPULSION SYSTEM

On average, the 2003 Toyota 4Runner starts to “feel” problems with the FUEL/PROPULSION SYSTEM and its various aspects after 0 miles.

Recently reported FUEL/PROPULSION SYSTEM problems on 2003 Toyota 4Runner

I want to know if there is a recall for this vechicle for maniflod/exhaust/catilitic converter

My 2003 toyota had emissions issues in that all four oxygen sensors would fail quickly. it took me two years and lots of money later to determine that the cause of this is because transmission fluid is wicking its way through the transmission solenoid harness all the way to the ecu and once there because of the way the ecu is mounted gets into all of the other wiring harnesses of just about every other sensor. i went to toyota and the first technician never heard that happening before but another overheard our conversation and said "i bet you have a 4runner" so yeah its happened to others. they wanted nearly $4500 to fix the issue. new engine wiring harness $1500-$2000 and another $1000 for the labor and the rest of the estimate is for other parts not specified. their solution is to cut the wire below the transmission wiring harness connector then splice and solder but i would have to replace nearly all the critical wiring in that car. i cant give an exact date on when it started going wrong but i can look at the service history on the toyota owner's ...

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