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23 Posts
So my 2001 tj is throwing the codes po121 and po123... TPS high voltage codes. So I take my multimeter and check the ground, reference, and signal voltage. The ground is good. The reference is within spec. The signal is the same as the reference and goes down as I open throttle
5v closed
1.3v wot
What could be the problem because right now I'm stuck. Thanks
5v closed
1.3v wot
What could be the problem because right now I'm stuck. Thanks