91 4runner timing issue
#1
91 4runner timing issue
I have a 91 4runner and when I put it in time (as the manual and schematic on the hood says to do) it will run fine at idle, but then if I go to drive it the cel comes on and it loses all it's power. What could possibly cause this???
#4
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I don't think code 51 is the ignition switch. 1988 FSM says, A/C switch circuit, A/C switch, A/C amplifier, TPS Circuit, TPS, (A/T) neutral start switch circuit, (A/T) neutral start switch. 1993 says, TPS IDL circuit, PNP switch circuit, accelerator pedal cable, ECM. I don't have access to a 1991 manual, but hope these will help. And I don't know what PNP is.
#5
I'm kinda new to the diy diagnosis and I believe I read the codes wrong, I think they was, 24,25,21 which all can be symptoms of a bad o2 sensor. Does this sound more like what could be causing my problem?
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