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did you ever find one that worked for you?

SOLVED: Replaced the ICM and it idles perfectly, no lag in throttle input, and no more popping on the decel. Thanks for the input guys. FYI: My ICM screws were PHILLIPS head! not 7/32 or a torx.

What did you re-replace it with? Is there a Motorcraft Part Number? Rockauto does not carry it.

The tach doesn’t “bounce” by itself. It does follow the engine rpm as it stumbles or hesitates, or surges, etc.. I can feel the fluctuation as it appears on the tach.

SOLVED! I replaced the "VENT VALVE" Dorman #: 911060 on the top of the tank and it fixed my issue! Pressure was not releasing from the tank once fuel level reached connection of the filler neck to the tank. Ended up replacing the tank as well due to the crud that had built up from the rusting...

SOLVED! Thank you for the input SenorNoob, It was a U-Joint on the front driveshaft.

Okay, there about $10 I could do that. What about the capacitor that runs off of one of the green wires and is mounted on the fender liner?

Its seen better days but the connection is tight on the two terminals.

Yes works as it should and replace by OEM motorcraft.

Plug from distributor to coil looks solid

Hey guys, 1988 2.9L 5-speed 4x4 super cab intermittently on idle and when driving the truck has a little stumble (flutter in RPM down). Generally it idles and runs smooth but have noticed more lately stumbling a little bit on the highway and stumbling tach and RPM on startup occasionally...

They are non-greasble but Havent been replaced in 6 years. It started doing it shortly after a pretty gnarly rutted trail I was not expecting and have never flexed it that hard.

Hubs not locked in 2WD there is not vibration or noise and drives great. Hubs locked and in 2WD or 4WD hard vibration and speed up with increasing vehicle speed.

1988 Super Cab FM146 BW1350 manual shift/manual hubs, Extreme vibrations when hubs are locked in 2WD and 4WD... It feels Fine when hubs are not locked in 2WD! This started during a day of wheeling at the end of the day. Suddenly I had a very noticeable vibration from the t-case shifter and the...

Gotchya, the reservoir is mounted on the frame before the high pressure pump. There is no plastic can around the pump/sending unit.

I dropped the tank this afternoon and am able to see inside of it. No baffles to see.... I have never replaced the tank since I've owned it, could it be a tank for a bronco 2? The hole for the sending unit is all the way in the back. I will attach a photo of it here. The pump seems to be at the...

Doyou have a reference picture or schematic of what the inside of the tank looks like? Like a cut-away model of the inside design so that I can easily identify where the baffles are and where they could be clogged? I have not been able to find any pictures of teh inside of atnk and do nothave...

Tell ya what I just found the article and I have an ace down the road and welder in the shed..... Thanks boss

I'm thinking this way also and I didn't know about the baffles in the tank so that also may be the problem as this is an older tank.

Hey Ron, I attached a picture in the original post with the fuel tank I have (assembly hole in the back flush) and the fuel pump that I currently have in it is the one that makes two slight bends which puts the end of the pump in the center of the tank. If i use the straight down pump...