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I'll give it a shot, hopefully that is the problem. When the engine is cold it runs smooth... when it starts to warm up is when the misfiring starts to happen. Thank you BrooklynBay I appreciate your help very nuch. Rick

Hi BrooklynBay, Thank you for the info on the moving of my post. I do not have a check engine light on at all, wish I did so I could go right to the source. Seems like it misfires randomly (Strange). At 60 MPH it will run smooth then misfire a little and back to smooth. Then it will misfire...

Hi, Thank you for taking the time to read this post. I have a 2001 Lincoln Town Car w/4.6 V8 The idle is ruff then smooth back and forth. It seems that it idels smooth until it gets warmed up. I can not understand why it would be running smooth then ruff, it is a mystery to me. Any...

Hi, I have a 99 Mercury Mountaineer in need of a rear differential replacement. I do understand the importance in replacing with the same gear ratio. I am pretty sure the gear ration is 3.73 I am just looking for any tips or precautions in doing this myself. Over the years I have done just...

Thank you for taking the time to read this message. I recently purchased a can of seafoam. I snooped around the neighborhood looking for a secluded place to let the seafoam "smoke show" shake up the neighborhood. I have seen videos of seafoams smoke show which looked like a smoke screen...

Hi - Hitchhikingmike I have a V8 5.0L (302 cu. in.) Rick

Thanks again ... The old timers do know a lot of tricks that work great but I think I'll go with the SeaFoam. I appreciate the info. SoNic67... good luck with the CEL I hope it is not a major problem. Thanks again for the info, I appreciate it. Rick

Hi, Thank you for taking the time to read this thread. I have a 99 Mountaineer 5.0L w/ 220,000+ miles on the clock. When it is cold I can hear this loud exhaust noise like a front pipe with a hole in it. When it warms up it is no longer there, the exhaust is normal and quiet. It seems...

Thank you all the the replies, I appreciate it very much. Yes ...the oil is filled to capacity.. actually a bit over. I have 220,00+ miles on the clock so I am leaning toward the advise of SoNic67. It makes perfect sense, the passages have seen a lot of oil over the past 11 years...

Hi, Thank you for taking the time to read this thread. Many of us know of the infamous oil pressure sending units that have spooked many Explore and Mountaineer owners for years when the gauge indicated "Zero" or did other strange things. Well as usual the leaves "Fall" and the Explorers and...

1999 Mercury Mountaineer 5.0L 220,000+ miles :) Rick

Thank you muhl5443, I appreciate your help. I had a feeling there was another bolt hiding around there somewhere. Rick

Are you hearing chirps, and squeaks or sounds like a loose belt there one minute and gone the next? It could be coming from your camshaft position sensor. The way to know without any doubt is to cut a short 2 foot section from a wooden broomstick handle. When the elusive noise begins make all...

Hi, Thank you for taking the time to read this post. I have a 1999 Mountaineer 5.0L in need of a camshaft position sensor change. I found a 99 Mounty w/5.0L engine sitting in a local junk yard. I removed the coil packs and any other items in the way to get a clear shot at the (1) 13mm...

Hi Buckeem; I did some asking around and Internet searches for information. When the plugs are installed at the factory the plugs go in as "Banks" AWSF32E cylinders 5-6-7-8 and AWSF32EG cylinders 1-2-3-4. I read somewhere it was something to do with the firing of the engine every other...

A BIG THANK YOU Fifepop5 for the information and the link, I appreciate your help very much :salute: Rick

Thank you for taking the time to read this post. I am quite sure I read in this forum not too long ago about a chirping, squeaking etc sound that was difficult to track down and to check the Cam Position Sensor . My hat goes off in appreciation to the writer of that posting, he/she was right...

Thank you everyone for all the help, I appreciate it. CELLY - Thank you for the diagram, I am going to keep one in my glove box too (Excellent)

Thank you for taking the time to read this post. I replaced the spark plugs in my 99 Mountaineer 5.0L with 205,000+ miles. Believe it or not the Mounty was running just a little bit ruff at idle. I had plenty of power and smooth acceleration. Now and then, just to clear it out (I could wind it...

Thank you IMP for the information. it now makes sense. Rick

Hi Eric, I read somewhere (possibly here) that a knocking, squeaking, chirping sound that is very difficult to pinpoint could be the cam position sensor. I guess the bearing bombs out after awhile. Better to catch it now before old man winter visits and you'll be fixin' it in zero temps :mad...

Hi Drew, If you have done the routine transmission maintenance, I figure at 143K you still have 50K to go before the headaches start. Check the fluid and see if it is discolored or smells burnt. If you have a TACH you could easily see the slippage of very rapid RPM changes throughout the...

I was stumbling around a junk yard yesterday and I saw a Mounty with a 5.0L engine. I looked through the wheel well and everything looked new. Just for the heck of it I pulled a spark plug...excellent condition!! I pulled the other 7 plugs all in the same condition. I was looking through my...

Thank you Thunderhorse for the reply. :thumbsup: Well I guess it is time for me to get a new gas cap. Thanks again, Rick

I have been going insane trying to clear an emissions code P0442. I have information that the D.P.F.E. sensor is usually the problem...sometimes just the gas cap. I install another DPFE sensor, disconnect the neg on the battery...wait 1 minute and hook the battery back up. When I start the...