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#1
12-03-2009, 12:15 PM
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Frustrated To the MAX!
I have a 2006 Ranger 3.0. I use this vehicle as a Pilot Car. To date I have 168,000 miles. At 95,000 the valves needed replacing (because of cylinder 1 misfire.) I did have low compression. Got this done at my local Ford Dealership. At 155,00 the same problem occurred and Ford replaced valves again. The first time I was charged $1200.00. The second time they fixed under "warranty" from the first repair. (I was still charged for new injectors to fix the problem the second time but that didn't do squat.) I drove the truck 13,000 more miles and for the third time, I am having the same problem again. Before I got it repaired the first time I had replaced plugs, wires, coils everything. This last time, Ford told me they did a compression test again and all cylinders were fine but my catalytic converter was bad. Got it repaired yesterday. Engine light stayed off for one day, now back on indicating Cylinder 1 misfire. This is the same code I have always gotten from previous problems. This is driving me nuts. Could it be a bad MAF or 02 sensor but not throwing the code. I do pick up a lot of grime when I am in the road. Any ideas?
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#2
12-03-2009, 12:42 PM
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have you replaced the sensors? if not, i would replace the sensors, it could just be faulty sensor. is it still driving fine with the code on?
__________________
08 Ranger Sport 2wd aFe CAI, 30x9.5.x15 Grabber AT2s, U/D pulleys, flowmaster super 44 "Those who make peaceful revolution impossible will make violent revolution inevitable." - John F. Kennedy "Somehow the "god of the athiests" delivers more miracles than all other religion combined than..."
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#4
12-03-2009, 01:01 PM
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i'm rummaging around for my haynes manual, i can give you a better answer when i find it lol
__________________
08 Ranger Sport 2wd aFe CAI, 30x9.5.x15 Grabber AT2s, U/D pulleys, flowmaster super 44 "Those who make peaceful revolution impossible will make violent revolution inevitable." - John F. Kennedy "Somehow the "god of the athiests" delivers more miracles than all other religion combined than..."
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#6
12-05-2009, 08:06 AM
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a MAS or o2 will not cause a mis fire
what about your plug wires
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Quote:
lots of ranger parts for sale leftovers from my 94/96 96 sitting on the frame, waiting to go lower custom billet parts by me intake adapters and billet steps for the step sides please sign my guestbook!! http://breyperformancemachine.shutterfly.com/
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#7
12-06-2009, 09:24 AM
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Ford thoroughly tested all components of my truck. An engineer was there from the factory and they determined I need a new Power Train Control Module. For a mere $688.00 and a week to get the part in I can be back on the road. All the money I have spent on coil packs, fuel injectors, cat converters, etc, was probably a waste. I wished I would have had the sense of mind to have asked for all my old parts back when I went through all this BS.
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#8
12-06-2009, 10:34 AM
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My buddy just got a used PCM from the junk yard and payed like $80 for it
__________________
2000 Ford Ranger XLT 2.5 L 5 Speed Flowmaster 40 Series Air Box Mod Panasonic CQ-C800U Head Unit
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#9
12-06-2009, 10:44 AM
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Yeah....check out www.car-part.com and look up your PCM. Buddys of mine swapped to manuals and paid no more than $50 for their new PCM's. IDK if your truck has PATS, but you'd need Ford to flash the new PCM to your truck so the key matches the PCM.
Won't be O2...that'd be a lean bank 1 or 2 code. Won't be MAF...it'd run like garbage if that was the case.
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'01 XLT disguised as a '03 Fx4 Level II.
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#10
12-06-2009, 07:15 PM
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how is the timing on it. just because one is misfiring does not mean they are all misfiring. this happened with my 95. it might not be firing top dead center.
i slapped a new timing belt on it and it fixed the problem.
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#11
02-06-2010, 08:08 AM
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For any of you who come across this problem, after two Ford Dealerships, and $3600 for nearly every new part you can think of, my problem has finally been repaired. As it turns out I had a weak valve spring on this cylinder, not broken, just weak. So apparently, all of these parts I have replaced was the Ford Dealership either being incompetent or making up for lost sales. Anyway, I plan to see if I have any recourse for everything from the PCM, catalytic converter, plugs, wires, coil packs, 4 fuel injectors, sensors, and 2 different "valve jobs" whom my mechanic said he didn't see any evidence of. I knew better than to take my truck to the dealership but I was new to the area and no one else could figure it out. I wrongly thought that of anyone who could figure out my problem it would be a Ford Tech, but I was so wrong.
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#12
02-06-2010, 08:23 AM
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ever take a look at the coil pack mine and my dads shit out long before 168k.
also pull the plug how does it look? possible you might have a slight head crack causing coolent to leak in giving a missfire
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2000 Ford Ranger XLT 4x4 Offroad, 4.0L ext cab, Converted to Manual M5OD-R1HD.
_____________ 33x13.50 Toyo M/T, 15x10, Body Lift, Rebuilt OHV, JBA headers, Hurst shifter, Warn VR10000-s, Class 1 bars, Belltech Shackles, Mustang GT rear disc, Level II hooks, Modded rear hitch, Custom front hitch, Level II Blue seats and black console, Explorer IRS rear cover, Extang fulltilt, Leer Cap Yakima Roof Rack, Cobra 29 with firestik stake mount, Scangauge II Few mods 
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