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Throttle Position Sensor (TPS) I know what your problem is, its the Throttle Position Sensor (TPS), the same damn thing happened to me and almost got into an accident. It took me a while to pin it down, because when i would turn off (KOEF)the car to check the voltage it would be what I'd...

i dont use 4wd on the streets, or on the freeway. but i use the proper disengage procedures. i hear the click when going in reverse. and i know it is in 2hi. i hear the whinning/wind noise. i've gone in and out of gear a few times so i was unsure of what to try first. hopefully i'll get a...

I have auto hubs, and for the past few days the truck sounds like its in 4wd. I know its not because I have a full steering range of motion...BUT I hear the noise like the 4x4 is engaged, its quite loud on the freeway and I can go in and out of 4hi, 4Lo with no problems. I was reading in the...

If you want to clear codes without disconnecting the battery, and not by the scanner. Follow the paper clip sticky on reading trouble codes. It has pictures. When you are doing the code reading, remove the paper clip. That will erase any codes. By the way that code usually means you have a...

what happens when you put it in 2nd? if its only happening in Drive/overdrive then either your Forward clutch or one way clutch is bad in the transmission. The Reason 1st works and Reverse works is because they are using the Low/Reverse band inside the transmission. Drive/overdrive 1st...

The engine wouldn't die out though, most of the time you push on the pedal and you barely go. If the OP has a vacuum gauge it would be easy to test. Hook it up to manifold vacuum and open the throttle while watching the gauge. If the vac drops to zero and slowly climbs back up then Yes...

How long has it been since you flushed your brake fluid? It attracts water and maybe its too old and freezing up the lines or something?? to test the brakes pump them five times and turn the engine on. Your pedal should drop slightly, this indicates good brake booster action.

You can test your regulator by unplugging the vacuum line from the back. The fuel pressure "should" increase. How long has it been since you replaced your fuel filter? and maybe you should try some seafoam or fuel injector cleaner and let it idle for a while. If you want to check the O2...

My 91' Explorer has been doing the same thing lately. It will rev to 1000 when stopped in any forward gear. and 1500 in park and stay that way for a few minutes or until I turn the truck off and turn it back on. I've tried unplugging the FPR while it was happening but no fuel in line, and it...

parking brake issue I was having a problem with my parking brake too, the right side doesn't apply. but It was also stuck partially on... I noticed because I did my rear brakes, and my right drum wouldn't go back on. I realized that the parking brake was slightly on (I looked at the left side...

I was helping a friend out today because their fan doesn't seem to be blowing as strong as it should. I took out the resistor and took some readings. these were the values, I didn't write them down but I remember the ranges low - 200k range <--that number was huge it surprised me...

So that would be to the purple and yellow wire from the PCM right?

I know this post is old but I would like to know how to make the manual switch for the TCC? mine rarely works and is quite annoying trying to get it lock up. I'd rather just have a switch like the later model explorers

My fuel gauge does the exact same thing, its annoying when I fill up on gas. but only seems to happen if I fill the tank completely. When I first noticed it, I thought the gas station was ripping me off, but as you said when I turned the key on and off it moved up and as I drove away it...

I bought this #17415 dynomax cat back a little over a year ago. and I noticed the difference in the intermediate pipe size. but I put it on anyway and I used the U clamps that it came with. So when I read this post I bought the #43470 walker pipe. I think I have an 2 and 1/4 inch to 2 inch...

Lately that's what I've been seeing too, I would drive a 60-70% on freeway and the rest in town and saw 17.5ish.. and I was happy with that. A lot better than my 12mpg I was getting for a while.

wow the best I've ever seen is 20mpg, but I have the A4LD. what kind of fluids do you use? in your X? edit: oh and that was only around 65-70mph..

Thank you for the reply, I do not know what my front pads are...is there a way to check? I don't see how I could though other than just replace the pads..

Hey guys I'm going to do my rear brakes, probably have to rebuild the whole thing. The guy who turned one of my drums ####ed up job. and didn't say anything. Anyway, I wanted to know if there was a preferred brake shoe lining? I see on rock auto there is some Motorcraft organic riveted...

The easiest test by far is to test the voltage of the battery while cranking the engine. If the voltage while cranking is less than 9.6Volts then either the battery is weak/dead or the connections are bad. ie. corroded, loose, or just dirty. if you really want to check to see if your battery...

yah that intermediate pipe was only 2'' but after the muffler was the correct pipe size. last oil change I went to Motorcraft synthetic blend. how often should tranny fluid and filter be changed? Sorry for hi-jacking the thread...

When I changed my muffler I really didn't see any change at all :( I used http://www.summitracing.com/parts/WLK-17415/ maybe it restricted the exhaust a little? The best I've ever seen on hwy was 20mpg but city I only ever get around 12 :( I have motorcraft plugs the wires I have should be...

http://www.youtube.com/watch?v=mkZ_wxo1Dao The emission tester isn't working, but when I hooked it to a working machine everything was running pretty clean HC around 25PPM and right at the golden 14.7:1 for fuel to air ratio

I was able to measure the waste spark today, it was about 1.5KV-2KV. Which is normal I believe. normal being about 3KV or lower if memory serves correct.

The reason I want to know about idle speed adjusting is because my idle is 800. I've read many of the readers have a lower idle, so what should I check to try and make my idle lower?