surging | Ford Explorer - Ford Ranger Forums - Serious Explorations

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surging

  1. U

    Lurching at a stop, bogging when idling

    Hi all, I've got a 2002 Explorer 4.0 w/ auto trans. Truck starts with a higher than normal surge (up to about 2000 RPM), then settles down to a normal idle... but only for a minute. After a minute or so, it starts bogging down to 400 RPM, then back up to 1000. While this is happening, the...
  2. J

    PTU / Transmission

    11 explorer limited 4WD. Have recently experienced what I think is transmission slippage/shutter at highway speeds when accelerating to pass a vehicle. Description of a hesitation and lunge 3 or 4 times before kicking in to pass, not really a Jenking action. Then last night at a steady 55 mph...
  3. D

    Surging while driving

    I have a 92 Explorer XLT 4x4 with Apprx 211,000 miles.No CEL. recently its been surging between 35-45 mph if im accelerating. it almost refuses to stay between 1,000 and 2,000 rpms only during that speed. I changed the plugs & wires about 800 miles ago and it fixed it. but the surging has come...
  4. S

    Rolling/Surging Idle w/ AC On (TSB 15-0149)

    I think I understand the issue related to TSB 15-0149. See video below for my thoughts. Here was a video I made before (Oct 2015) showing the issue but the dealer just said it was a little low on Freon, still seemed to have the issue and then I found the TSB (of course after the warranty...
  5. Y

    2017 Platinum Surging and Stalling

    Sorry for the long post, please be patient.... Brand new, less than 200 miles on it when this problem started. Noticed at first when driving through the parking lot on day one. Seemed like a trans shifting problem, switching between gears. This is not the same as the problem others have...
  6. M

    Engine surging; dieseling upon shutoff; airy release sound

    Hey, so problem after problem that comes up on my truck, I try to address each one accordingly.. Recently I've been having an issue where the car is surging very frequently and rhythmically. At a complete stop in gear, the car surges "vroom, vroom, vroom, vroom" and the RPMs quickly...
  7. mfitz725

    Help Please! Acceleration deadzone until kickdown

    My 94 Explorer runs very normally day in and day out. However, when I drive it for a couple of hours on the interstate basically non-stop at 70-80 MPH it develops a problem. The check engine light will randomly illuminate and when I try to accelerate nothing happens until the pedal hits the...
  8. J

    Idle Surge

    I have a 2003 Explorer with the 4.6 and 135k. About 3 months ago, while the Ex was traveling between 45-55mph, it would feel like the trans was slipping in and out of gear. I had my mechanic look at it and he replaced a coil pack and spark plugs and this fixed that issue. A week later, while...
  9. L

    Massive surging issue

    Hey all, I'm getting some crazy surge-like behavior from my new (~1500 miles) 2014 Explorer Sport. It feels like I'm hitting a rev limiter, and unlike anything I've read about on here. Other surging issues on here seem to deal with loss of power, and usually at a high speed/rpm. This is not...
  10. E

    Help, Phantom Misfire

    Hi, I have a misfire on my 02 limited explorer. It runs ok when cold, but once it warms up, it has a rough idle, and misfires under light load in lower rpms. At WOT, the engine surges and the HP curve is not smooth at all. I've ran fuel injector cleaner twice, changed the plugs, and changed...
  11. E

    Help! Flashing SES light, rough idle.

    Hey there, folks. I was driving my 03 Limited with the 4.6 V8 home from work today, when the SES light started to flash on me. On the way to work this morning, I noticed some surging while on cruise, with no difference noticeable in my tach or speed. I've been having the trouble with my OD...
  12. R

    Ford Explorer Surging on Start

    Hello everyone forgive me if I posted incorrectly. My Ford Explorer 2005 XLT always surges on cold and warm start, changed coil pack, plugs, wires, serviced lubes etc even replaced with new throttle body, just reached 60,000 miles, experiencing rough idle. Been at this over and over for three...
  13. S

    2007 Explorer Eddie Bauer 4.0L - surging acceleration

    Under light acceleration, the vehicle will surge forward. Basically feels like it's getting sudden extra fuel delivery, but not constant as it really tends to "jump" multiple times. Once up to speed, no problems. Accelerate hard and no problems, but if you are just trying to baby it through a...
  14. J

    Intermittant Check Engine light

    My stock 95 Explorer Sport, that I recently acquired, has developed a problem with the check engine light. It comes on randomly, stays lite for a while, then goes off. Engine seems to be running ok except for during acceleration it seems to be "surging". By this I mean the engine sounds like...
  15. B

    IAC valve.

    Been here before and cleaned it two years ago, just did it again and its working fine. For the new guys here, if you have problems like the car starts and dies when you take foot of pedal, it starts and revs very high, it starts and surges- its prob your iac valve! Tools req- 10mm, 11mm...
  16. O

    95 explorer surging

    Hey everyone, I have a 95 explorer that surges very lightly at low speeds. During idle it fluctuates between like 7-800 and 1000. During the idle I can hear the compressor clutch kicking on and then back off. The that time is when the rpms are fluctuating. Additionally I have the check...
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