Question about 2001 Toyota 4Runner

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No overdrive engagement tacoma 2000

Question regarding this problem is. if the engine code p0171 has anything to do , preventing the engament of the tranmission overdrive on this toyota tacoma 2000.( we know the code p0171 refers to bank one running lean) the engine was chek for possible vacuum leaks,fuel pressure ,maf sensor,exhaust leaks and the o2 sensor was replaced.the engine runs fine , but this code comes on after it is erased.can you tell if this is possible for this engine code to affect the trans overdrive engagement.

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  • m1yota Mar 27, 2009

    MINE IS A 01 TACOMA WITH THE SAME CODE BUT MINE WILL NOT STAY AT A STEADY IDLE IT RUNS LIKE **** I CHECKED FOR LEAKS BUT STILL

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Yes, all po codes are a default code, you need to reset the computer by removing the positive cabel for 10 mins.

Posted on Nov 26, 2008

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