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Showing results for tags 'tps sensor system'.
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I have a 1988 GMC G3500 Vandura Box truck with 350 5.7L TBI. I am renovating it to be an RV. bought new motor and had a mechanic I know and trust do that and a bunch of other stuff. It drives great. Runs great and shifts great; EXCEPT when I need to down shift to pass another vehicle or going up a mountain here in West Virginia (and there are allot of them, lol). My son is a mechanic but in Alabama. I texted back and forth and he mentioned the things I put as tags. TPS, modulator and adjusting the TV cable. I have the service manual and two other manuals. Anyone else have the same or similar problems? I downshift by using the shifter on the column. any help is greatly appreciated. email is: [email protected]
TPS system malfunction
GMCNJ posted a topic in 2014-2018 Silverado & Sierra TroubleshootingAfter rotating the tires I attempted to reprogram the TPS. I used the same relearn tool as the first two times i did it, however this time it only let me get the two front tires done and would not relearn the rear two. I tried starting the process over and it let me do one tire and then quit. Now all four tires are reading “- -“ in the display, the system will not relearn any tire and I can’t get it reset, even after i disconnected the battery. Any suggestions fellas?