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    bad PCM?

    interesting, not at all meaning super low idle like the IAC is not working? then randomly jumping to 1500 or so? Right now I have the IAC unplugged, and it runs just hunky-dory, but with a low idle, so you have to sit with it for a minute in the morning until it builds a little heat and will...
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    bad PCM?

    you are saying when yours went bad you had always on or off fast idle? or you are asking about mine?
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    '94 explorer erratic idle, changing RPM at random

    codes have all been fixed, vacumn lines all look good.
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    bad PCM?

    Our explorer has an erratic idle issue, I have tested lots of components, replaced a couple, and it still does what it does (I have another thread on here about that that no one seems to have any clue where to go next). So I was just curious if there was any way to rule it out.
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    bad PCM?

    howdy, How common is it for the PCM to go bad on these trucks? Is there any definitive test to decide if they are bad? thanks, pkn
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    '94 explorer erratic idle, changing RPM at random

    no more bright ideas here I guess?
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    wobbly wheels...

    also, what if you put a dial indicator on the axle flange face? a few thou on that small diameter will translate to much more out on the edges of the drum.
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    wobbly wheels...

    the only way that can be physically possible is if something is in between the 2 surfaces. or if the mating surface diameters are not matching up correctly. or a stud or a hole in the drum has a blemish or something stopping them from mating correctly.
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    wobbly wheels...

    sounds kinda like the backing plate is tweaked out of shape. Or even bent axle housing?
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    '94 explorer erratic idle, changing RPM at random

    latest update guys: MAF and TPS both check out perfect with the multimeter. unhooking the battery for a while after changing the IAC valve did seem to help quite a bit. I put a vacumn gage on it, it idles at a steady 18in. I pulled the vacumn line off the FPR, looks clean and dry, no evidence...
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    '94 explorer erratic idle, changing RPM at random

    and shouldn't the TPS throw a code of some sort? on the KOEO or the KOER?
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    '94 explorer erratic idle, changing RPM at random

    yes, I don't see how I could have gotten it wrong that many times. I was using my friend's Innova scanner, the screen tells you exactly when to do each test, steering wheel, brake pedal, floor it. Mr. Shorty: what do you think of the fact that a new IAC valve made the problem MUCH worse, same...
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    '94 explorer erratic idle, changing RPM at random

    thats a thought, I did not unhook the battery after changing the IAC. I will try that this evening. thanks
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    '94 explorer erratic idle, changing RPM at random

    ok, so the new IAC valve made the situation WAY worse, now it takes off way more often, and it revs higher yet when it does it. Is this a clue in itself I am wondering? Like maybe the new valve is a POS, worse than the old one, and that is still the real problem? I ran the codes again last...
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    '94 explorer erratic idle, changing RPM at random

    Mr. Shorty: No, I have not checked the fuel pressure yet, 1. I do not have a gage, 2. I really do not feel like this is a fuel issue. it makes lean popping sounds in the intake, then the engine takes off, then comes back to idle after a few seconds. never any missing, stumbling or any of that...
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    '94 explorer erratic idle, changing RPM at random

    ran the codes again last night, getting all "1"'s now. I am out of ideas on this truck.
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    '94 explorer erratic idle, changing RPM at random

    purge canister solenoid, throttle body gasket(had to make my own, nobody had one until Tuesday), replaced nearby vacumn lines, none of this stuff stopped the surging Bullshit. this truck is about a pain in my ass.
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    '94 explorer erratic idle, changing RPM at random

    Well, I am back. the truck is no better, still popping thru the intake, jumping 500 or more RPM at random, at idle, while driving, totally whenever it feels like. It's half assed dangerous sometimes. but no missing, all cylinders are hitting fine. After the last set of codes that I listed here...
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    '94 explorer erratic idle, changing RPM at random

    well damn, I guess in all my reading I never caught the fact that there is a separator pulse, that does drasically change things. thank you. last night I unhooked the battery for about 20 minutes, hooked it back up and ran a couple more errands, about 15 or 20 minutes driving time, then...
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    94 explorer auto locking hubs

    I switched ours out for manuals, now it 4 wheels and drives thru snow like a big truck, I wouldn't even screw with the stock ones.
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    '94 explorer erratic idle, changing RPM at random

    Hi guys, I have a '94 Explorer 2dr, 5-spd, pretty much stock drivetrain. for a few weeks now it will most days start and run fine, but some days it won't start without giving it gas, then it will idle very low, barely 500rpm. the RPM will randomly (truly random, just once in a while) jump...
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    scary handling??

    yes, sway bars have new poly bushings. I'm really wondering about the shocks, they are supposed to be excellent offroad shocks, and the vendor swore they would be good on the street also, they claimed that even though they are 70/30, each side would offset the other, to create solid handling...
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    scary handling??

    and its really not a slop issue, or wandering, or anything like that. It drives very nice in general, but if you twitch the wheel, or change lanes a tad too quick, it does this weird "react too quick/body roll thing, like it could get away from you easy if you don't watch it" type thing...
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    scary handling??

    I already put polyurethane in the radius arms and sway bars, they were obviously trashed when I bought it.
  25. B

    scary handling??

    ok, I'm ordering axle pivot bushings today. this truck has only 84,000 miles, so it runs like a champ, but it was a wisconsin truck for a lot of it's life, and everything underneath is rusty, rotted, etc. does anybody have any experience with these jamesduff shocks on the street, thats...
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    Anybody got a Hurst short throw?

    first mod i did to the explorer I just got, helped immensely.
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    pull tranny?

    how bad a job is it to pull the transmission / transfer case out of these trucks? is it a one man job? are there any weird / hidden bolts, or off the wall tricks? I am used to chevy's, have not played with a ford since highschool. and where do I buy the Luk gold clutch that most of the...
  28. B

    scary handling??

    I just recently bought a '94 explorer. My problem is, it is squirrly as hell if you turn it fairly quickly. Like even changing lanes on the freeway. I put james Duff shocks on it, poly radius arm bushings, and poly in both sway bars. I also put 31-10.50s on it on 8" wheels. No lift however. I...
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    1" lift?

    this forum is all whacked out
  30. B

    1" lift?

    don't shackles flatten out the leafs over time? this truck only has 84,000 miles, maybe its not as sagged as some. I'm throwing on 31x10.50s on 15 x 8 wheels this weekend, I will see what it really needs then.
  31. B

    1" lift?

    Wtf??
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    1" lift?

    sorry, I should have specified, I mean suspension, not body lift.
  33. B

    1" lift?

    is there any way to lift these trucks only an inch? ('94 sport) might sound weird, but I don't even want 2".
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    Fender moulding?

    I have looked all over ebay, I will keep looking. I talked to the owner of the local maaco bodyshop, he looked it up and said it was discontinued from Ford. The junkyards around here kind of suck, people go in there and break everything they can to get to the one part they want, they are...
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    Fender moulding?

    I have been looking all over the net, I need the left rear fender moulding/trim, or whatever you want to call it for the explorer sport I just bought. it covers the fender edge, and the lower portion of the quarterpanel in front of and behind the rear wheel. black plastic. Any ideas...
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    mufflers, what sounds good on the 1st gen.

    how does this work? I thought I just read that there is one cat, and a resonator, not 2 cats?
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    just bought a damn Ford........

    no, I'm sure your right, we've had it 3 years, and it always felt like a "throw away when it gets tired" type vehicle. the most solid 4 wheeling truck I've had was a '78 Blazer K5 that I had for a bunch of years. 4" lift, 35's, and a healthy SB400, that truck had good weight distribution, and...
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    just bought a damn Ford........

    thank you all, this helps me know where to start. I'll be ordering more parts friday. my wife is going to wish she hadn't picked a vehicle thats fun to mod. I didn't realize that so much interchanges with a ranger, thats why I wasn't figuring out some of the parts (like the shifter) Her...
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    just bought a damn Ford........

    I've owned fords years ago, early '70's Cougars and such, my only 4x4s have been full size chevys. by "formula", I mean my Formula FIrebird, it has a 6 spd, B&M makes a short throw shifter, it tightened it up dramatically. but I cannot find anything similar for this truck. I don't want...
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    just bought a damn Ford........

    Howdy y’all, I’m new here, and I have a few questions. I’ve never been fond of fords, but I just got an awesome deal on a ’94 explorer sport, 2dr, 5 spd, with only 84,000 on the odometer. It seems like a very solid truck, so I am going to clean it up and make it a daily driver for my wife...
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