Hi, new to the forum. I have a 1995 F350 7.3 that above 3,000 rpm and sometimes cruising at around 2800 rpm has a "hickup" where the engine cuts out for a split second. I have already replaced the cps sensor as well as the uvch on both sides... Not sure what else to check. Thanks for any help!

 

What color is the fuel filter ? If it has black on it then that's a good sign of injector orings.

Check for oil in the ICP connection

 

ICP is clean as is the fuel filter. I replaced the fuel filter about 1,000 miles ago... Would it show up on the filter by now if it was going to? Thanks for the response!

 

Maybe-maybe not. What did the old filter look like ?

 

Any mods done to the truck ?

 

Welcome.e to FTE.
As for your question do you have a performance chip installed? If so remove it from the PCM.

 

It was clean too... It only had about 3500 miles on it but I had opened it up to fill the fuel bowl (because I ran the tank a little too empty) and the seal was elongated I suppose from the heat to where it wasn't sealing but when I went up to O'Reillys the filter with the seal was less than just the seal.

 

So far I have done the exhaust, cold air intake, and bb mod. In the next few weeks I am planning on: rebuilding the turbo with 360 degree copper thrust bearing, WW2, and 1.0 a/r exhaust housing, along with a reseal and ebpv delete; fuel bowl reseal; and t500.

 

Thanks! I have not installed a chip yet. I'd eventually like to do a custom tuned chip along with injectors but right now I'm just working on getting everything working good.

 

Ok, new update. I thought that the issue may have gone away after doing all of the work that I did but yesterday when I was out picking some stuff up from the next town over I found out otherwise... It was doing it really bad, previously it was fairly sporadic but yesterday it was doing it quite a bit: I was able to watch the tailpipe in the mirror while it was doing it (which I hadn't done before). Every time that it "hiccuped" a puff of black smoke would come out the tailpipe. I don't know if this helps anything...

 

Was it an oem cps?

 

I don't know if it was an oem cps... I have replaced it though. I replaced it with one that I got from O'Reillys.

 

I would recommend stuffing an oem cps in the truck. Motorcraft or international. Also when the hick ups are occurring check for any sporadic gauge movements or a wait to start light flicker

 

Listen to that^^

Also if the inj orings are just starting to fail you may take longer that that mileage to show a black fuel filter. My b-I-l had a black filter that I changed and knew then we needed orings. 6k later I did orings. I checked the filter and it wasn't black at all yet.
Free rev w-o-t and see if it stumbles between 2k and 2500rpm.

 

I don't have any flickering lights. Need to watch the gauges closer when it is doing it (and I need to get some more gauges on there! all I have is the stock instrument cluster panel). Which would y'all recommend, Motorcraft or International?