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bucking


  1. Surging/Bucking at 2800 rpm - accelerates perfect

    Hi all and Happy New Year! 2003 Ranger Edge 2WD V6 3.0L Manual Non Flex I have just done a engine swap (1st time doing any engine work) and have everything up and running great (just like a new truck). One more problem remains that followed me from before the swap. I have a surge/buck that...
  2. Ford 2.9 Weird unexplained issue

    Hello ranger station i recently bought a 1988 bronco ii 2.9 5 speed that had been running like crap, My issue is when warm my truck idle surges at around 400-550 sometimes if i give it throttle it will go back to 900. (this sucks when driving in town and stop and go traffic on hills) it feels...
  3. bucking at highway speed and rough idle 4.0 SOHC

    Hi guys 123000km 4.0 4x4 automatic At idle, my 4.0 sohc will fluctuate RPMs. idles fine, drops suddenly by a few hundred rpm then bounces right back to normal for a few second (up to 10 seconds between jolts) additionally, at highway speeds, the truck will buck under very specific...
  4. Shaking at constant speed

    I have a 93 ranger 3.0 and it starts shaking around 35-40. It some times feels like its bucking. I just changed plugs & wires, and also the wheel bearings and the shocks and still no luck.
  5. 2011 Ranger bucking and missing going DOWN hill

    I just had my 2011 Ford Ranger 2.3 4 cyl engine worked on. Had two dead cyl and found 2 burnt valves. Had head reworked. Now I have a perplexing problem. Uphill and on level the engine runs like brand new (179,000 miles now) but when I go downhill the truck bucks and misses like crazy. It...
  6. Trying to track down my bucking/missing when warm problem

    I am the owner of an 88 ranger 2.9l 4x4 5spd. The guy i bought it from swapped it from an aut to a manual. But I've been rreadingon here since I got the truck. To my understanding 87 was the last year to have an egr, but my 88 has one on it making me think it's not the original engine. It had a...
  7. need help ! 2000 4.0 skipping/bucking

    All spark plugs are new so are the wires. There all connected and nothing is loose plugs and wire wise. It doesn't skip bad at idle but apon acceleration it miss fires or skips pretty bad, my girlfriend drives the truck and she said it started kind of out of no where, I put heat in it but it...
  8. help! 2000 4.0 skipping/bucking

    All spark plugs are new so are the wires. There all connected and nothing is loose plugs and wire wise. It doesn't skip bad at idle but apon acceleration it miss fires or skips pretty bad, my girlfriend drives the truck and she said it started kind of out of no where, I put heat in it but it...
  9. 1998 Ford ranger bucking issue please help

    I have a 1998 ford ranger xlt with the 3.0 and its 2wd with 185,000 miles on it. For the past 2 months its been bucking while I drive and its lost performance and sounds like i have a misfire. It only bucks when i accelerate or when i stay at a constant speed over 40. I have checked for low...


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