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I have seen all the posts concerning changing the upper intake gaskets, but they all seem to stop at changing the gaskets at the plastic intake plenum and not replacing the other gasket between the fuel rail and the lower intake. Are there any write-ups (hopefully with pretty pictures;)) on...

My 99' 5R55E has 151K miles on it (I think the previous owner had a tranny flush done at 70K but not sure). I currently do not have any issues with the transmission and was going to change the fluid and filter this weekend. Any tips?

P0171+terrible gas milleage=?? **UPDATE WITH PICS*** '99 OHV Ok, I have p0171 code ONLY, not p0174. I have terrible gas milleage and odd stutter when barely pushing gas pedal at certain speeds. this is what has been replaced. alternator ECT sensor coil plugs (Motorcraft) PCV valve...

99 4.0 ohv 4x4. 149K miles. This is the symptom, sometimes only after stop and go traffic for about 30 minutes, at idle, the RPMs will suddlenly drop down to 200 and either come back to normal idle after a brief second, or just stall out. Restarting is quick (not even a second) if it does...

How many wires do you have going to your ECT on your 4.0L X motor? I have one wire coming out of the harness. the one on top of the intake not towards the bottom..

Yesterday out of the blue, stopped at a light, the truck stalls. Restarted with no problem. Driving at highway speeds, no problem, but got a CEL light. Checked with meter and got a P1309. Ok, I understand that this tells me to check the CMP sensor, however in reading the posts on P1309 codes...

I'm replacing my CMP shaft. I have the tool to adjust the sensor stator but I need to get the #1 cyl. at TDC. I was plannig on just using a long screwdriver and while hand cranking the crankshaft (clockwise) I could see the screwdriver reach the top and that would be it! However, there are 2...

I'm pretty sure my CPS is the culprit for my unusual squeak in the back-middle of the engine (1999 4.0 OHV) Question: Is it the sensor that is makes the squeak, or the syncronizer shaft? Just want to buy the right part..:D

Odd squeak/chirping on startup. My 99 Explorer with 4.0L OHV with 113K just started to have squeaking/chipring when I first start the motor. I goes away after about 45sec-1min. The wierd part is that it sounds like it's coming from the top/rear of the motor. It's not any pulley or belt in the...