diagnose

  1. Limp mode 4.0

    My 4.0 feels like it is in limp mode, it’s a 4.0 manual swap and I did lifters in it and it starts and idles what seems okay but it’ll jump up and then shut off, but also driving it feels low on power, and will what seems like redline at 2.5k it just stops accelerating and sounds like it’s on...
  2. '87 2.9L Vacuum issue?

    Hello all, been browsing the forums but my first post here. Recently acquired a 1987 Ranger XLT, 2.9L, ext cab, auto. Truck sat for a year before I got it, so it took a few love taps on the starter to get her alive. Upon startup, the engine immediately went full throttle, nothing touching the...
  3. Loss of Power issue 01 3.0L Edge

    Hello all. This is my first post. You guys always have great advice and feedback, and I am now myself kinda stumped with something so here goes. I have a 01 Ranger Edge 3.0 (U) Gas 110k miles on the clock It will intermittently have loss of power when driving, especially so here and there when...
  4. Bgunner

    Look for the next step/s in the diagnosis process.

    Lets start with the vehicle first shall we: 94, Ranger super cab, 3.0L, manual transmission, Stock suspension and drive train, Code 84: 7.5″ rear axle open with 3.45 gears, 146,xxx miles. No CEL Issues: Shaking while under heavy load, climbing hills, in first gear with RPM's between 1000...
  5. Electrical issues 1989 2WD 2.9L

    hey guys, i have a truck that is pretty rough the past few days and last night it just died driving down the road. Its a 1989 ranger 2.9L 2wd and its in pretty good shape. when i hook up the battery some lights flicker on/off and sounds like relays are clicking with the key out of the...
  6. OBD code p0303 misfire, need help

    Hello everyone, new to this forum. I searched a bit but couldn't find anything that addressed my issue directly. 1997 Ranger with 2.3, 2wd, 5 speed manual, everything is stock, no aftermarket pieces. Bought the truck and had an intermittent misfire code on cyl 2. Finally tore into the engine...
  7. At witts end

    I have done a recent top end rebuild on my 2.9L and cannot get it to start. I have replaced several sensors, the fuel pressure regulator and water pump. I cleaned the injectors and purged them with compressed air and a battery. I get good fuel spray from all cylinders in order with the plugs...

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