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Where is the main pcm ground located I try to find it on the internet but I can't find a picture of the actual ground wire.

I have a 97 ford expedition with 206329 miles on it and I am getting codes B1867 which I looked up and it says BATTERY POWER SUPPLY ECU CIRCUIT SHORT TO GROUND. B1913 which says AIR BAG...

I have a 99 mercury mystique with a p0190 code fuel rail pressure sensor circuit malfunction problem. I changed the black sensor at the end of the fuel rail with a wire connector, vacuum line, and a...

Ok I will change the sensor, valve, filter and clean the throttle body this weekend and I will let you know what happens.

Ok thanks

I have neither how do I reinstall it from scratch
There is a bunch of stuff on my computer from my kids I want to do a factory reset or something and take everything off the computer and update...

I did put dielectric grease on all of the plugs but I didn't spray silicon. I have coils on the truck do I need to spray silicon inside of each coil boot ?

I don't have a disk at all I don't have any of the windows xp disks it has the option on my computer to do a system restore.

I tried to do a system recovery on my computer because my computer was acting up and moving slow so I figure if I tried this this would help my computer out but when I did the system recovery and the...

I changed the spark plugs 2 days ago and everything was good but today when I pull up to a stop sign or light while the air conditioner was on the truck was jumping like it was.misfiring or something...

The spark plugs was the problem I just bought those plugs like 2 weeks ago there where bosh platinum plugs but I changed them to the motorcraft and now its riding normal thanks.

Well this weekend I will change all the spark plugs to the original ones and the coils and ill let you know what happens thanks

My 97 5.4 expedition is misfiring on #1 I have changed the spark plug, coil, and the fuel injector and also put seaform in side of my tank and #1 is still misfiring and only #1 what else could be the...

The VSS is the speed sensor that I had changed on Friday so you are saying for me to replace that one with another brand new one ?

Ok the check engine light came on Fri. It was my #7 misfiring so I changed the coil and the spark plug I drove out of town for the weekend came.back yesterday everything was OK this morning while I...

Ok I changed the sensor the speedometer is working but it still putting like its misfiring and no codes still ain't coming up and my check engine light still isn't on

No because the speedometer started working that day and I haven't had a problem with it sense until yesterday I went and bought a speed sensor to see if that would fix the speedometer but its raining...

I have a 97 ford expedition 4wd 5.4 motor and my speed thermometer.stop working and my truck is putting like its misfiring I hooked up my box and no.codes came up at all what is the problem ?

Ok thanks

I have a 97 ford expedition 4wd 5.4 motor with 197,000 miles on it what motor oil is best to use on my truck with so much miles and do I need to use any oil treatment ?

Thank you very much this is very helpful thanks a lot

I have a 97 ford expedition xlt and the engine light came on and my speedometer stop working I took it to advance to put it on the machine they said it's a code p0500 speed sensor A but they don't...

Ok thanks

I have a 99 mercury mystique and my brake light and abs light is on could someone please tell me what this means ?

I have a 97 ford expedition and my airbag light keeps flashing on and off I hooked up my diagnostic box and it gave me the code B1867 looked it up on the computer and it says its Battery Power Supply...

My harness and sensor is connected to my hub so I just changed out the whole hub and my problem is fix thanks a lot.

My abs light came on I hooked up my diagnostic machine to my truck and 2 codes came up one was C1155 it says it is the LF Anti Lock Brake Sensor (Electrical/Static). The 2nd code that came up is...

It's a test that a job is asking for to basically see where you at how much do you know its other parts to the test I have samples of the test the other parts of the test are easy stuff that I...

I have a test to study for that deals with electricity and I have no clue how to do any of it. For example I have a question on here that says what is the total current of the circuit ? There is a...

I don't know any one that is a pro on transmissions around here and I can't drive it I had a mechanic fix some other problems on the truck It was going forward before he did work on it but he can't...

I have a 97 ford expedition it is not a 4wd my truck will go in reverse but it will not go in drive I even tried putting in the other drive gears and nothing happen could some one please help me fix...

How to reassemble a 93 honda accord valve rocker arm that came completely apart. I took the rocker off to change the seals because oil was coming threw the seals but when I took the rocker off and...

Why does My Engine is Run. But My Tachometer Sits at Zero and Doesn't Register Any RPM?

My spark plugs are getting very wet it started last week Friday I drove to the store and when I came back out the car would not start the motor just kept cranking and cranking I thought the timing...

I never did a compression check I never heard of a cylinder bleed down check it has good spark I checked that and I checked for a vacuum leak and there was none ill take it to a shop and have a...

I buy plugs like every week to 2 weeks when I first get the plugs it cranks right up but after a couple days its hard to start especially if I have the ac or heat right before I start it then it...

Are you talking about the valve seals and rings on the valve cover gasket if so I had already change them when I changed my valve cover gasket

My spark plugs has carbon deposits on them and its. Causing my car to misfire, stutter and hard start what can I do to fix this problem ?

Ok I found out my head is not blown we drain the oil to check for mixture of coolant and there wasn't at all I also got my timing set it was running good until today it wouldn't crank right up again...

Ok well ill look for a shop and let someone take a look at it and thanks for the help with everything

I done replace the head one time before like a year ago but I heard its not good to fix the head twice so is it best I get a new used motor or try and fix it

Like 2 weeks ago from a hole n one of the hoses I fix the hose but that's the only time

Ok but what is the milky stuff under my oil cap is that something bad ?

Is there no kind of sealant or anything I can use to seal it for awhile to stop the oil from coming threw ?

And what does the milky stuff under my oil cap means ?

Is that a real bad thing or is that something simple I can fix myself

He didn't touch the idle he did everything else he only had to move the distributor a little but advance for it to line up right and yea it was oil

He didn't touch the idle but he did everything else and he only had to mov

And I only have a problem at start up it stutters a little once its crank and then it levels out and I have know problem with it until I try to crank it again

[QUOTE=TxGreaseMonkey;3296410]Yes, loosen the 3 mounting bolts and rotate the distributor housing slight counter-clockwise (CCW). If the gas mileage falls off the cliff, you know there is likely a...