01 is300 throtel issues
#1
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01 is300 throtel issues
I keep getting codes p0121, p1120, p1121, p1128 I have replaced the TPS and The APPS but I keep getting one of these codes at random today I got the p0121 twice then the p1128 6 hrs later should I replace the last item on the list the throttle control motor
#2
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I have my tps set to .69vdc. Have you had any luck finding a solution?
#3
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I had the same problem before. I changed all the same items too. The problem would go away for a bit then return. I was going to trace the wires back from the APPS to the ECU and run new wires because I was that annoyed with it. I ended up looking at the wires from the APPS and going back about 6 inches and noticed that the wires were spliced in. I also noticed that the heat shrink that was over the splices were old and I could see the wires under it. I ended up re-soldering the connections and putting on new heat shrink. Haven't had a problem since.
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After adjusting my tps several times i finally noticed that the new tps wasnt as snug at the connector as the original. I put the original tps back on and set it so warm engine idle was about 750 with the new maf and new apps and it has been running good for a couple weeks now.
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