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  1. Noobie Bronco Tech Questions. Flame free zone!
    So i posted a while back about a vacuum leak and it could be that, but when heading for lunch after work, i turned the truck on, warmed it up abit, as soon as i hit reverse it surges and then it died.....but suddently it didnt want to start, thats where it struck.......only time that ever...
    tps
  2. 1980-'96 Bronco Tech
    Hey guys I have a 1995 ford bronco with the 5.8 or 351 Windsor and have been having nothing but issues lately. It was working fine for about a month and then it just died and will not start. It cranks and cranks but does not start. It says I have a 121 and 122 code. I just replaced the TPS, fuel...
  3. Blog
    The TPS is a three wire sensor that measures the throttle plate opening and its rate of change. This sensor is a variable resistor, also called a potentiometer, that is directly linked to the throttle plate shaft. The TPS outputs a voltage directly proportional to the throttle opening. As the...
  4. Introductions
    this is my first forum. My full size bronco is a 1991 5.0 liter. automatic. I rebuilt the engine about 20,000 mile ago. I am currently trying to diagnose a problem that someone may be able to help me with. When I am pulling a trailer or a hill, going at a slow speed, 1-5 miles an hour...
    tps
  5. 1980-'96 Bronco Tech
    Couple of questions for you guys on an 86 EFI 5.0. I've been dealing with an erratic idle (revs up high for seemingly no reason, then down, then up, then decides it wants to stumble and or die) problem for quite a while now, and I'm finally fed up with it. I checked and cleaned the IAC, it...
  6. Noobie Bronco Tech Questions. Flame free zone!
    Hi Folks, So Chancho has been running top-notch for the past few weeks and I couldn't be happier! I took him on his first real back country adventure since I did a ton of work to him and he crushed it. This was a relief, considering I'm a beginner mechanic and have very little faith in my...
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