boardmanMJ Posted March 14, 2015 Share Posted March 14, 2015 In short, a few months ago I bought an 88 4.0l auto 4x4 lwb. After a week or two of driving it it would randomly stall out. When you go to give it gas it would hesitate then stall. The motor would shut off but all the electrical would still work. After months of troubleshooting I found out the alternator would quit working after awhile and the truck would run off the battery till the battery died. So I thought I fixed the problem. Drove the truck for aboot 6 weeks then today the same thing happened!! I'm stumped as to what it can be. Link to comment Share on other sites More sharing options...
Strokermjcomanche Posted March 14, 2015 Share Posted March 14, 2015 Sell it to me Josh !! Seriously if you wanted to come over on a Tuesday or Wednesday we can check it out . Link to comment Share on other sites More sharing options...
boardmanMJ Posted March 14, 2015 Author Share Posted March 14, 2015 would this Tuesday work for you? If not Wednesday would be okay too but Tuesday would be better. The only problem is that now I can't get it to start at all so I'm going to have it towed to my dads shop in struthers. Link to comment Share on other sites More sharing options...
Strokermjcomanche Posted March 14, 2015 Share Posted March 14, 2015 I've got a tow dolly . Tuesday would be fine... Link to comment Share on other sites More sharing options...
cruiser54 Posted March 15, 2015 Share Posted March 15, 2015 Have you tested anything like cPS or done any of my Tips? Link to comment Share on other sites More sharing options...
boardmanMJ Posted March 15, 2015 Author Share Posted March 15, 2015 I took it to the repair shop months ago when it first started doing this and they changed the CPS. Fuel pressure wasn't consistent so I changed the fuel filter, pump, pressure regulator, pump relay. Nothing worked. So then I started looking at the electrical end of things. The tilt column was alittle loose so I though maybe it was pinching a wire so I had that fixed. Swapped computers with a spare one I had just to see if it made a difference and it did nothing so I put the original one back in. The first time it ended up being the alternator. That was changed it ran great for 6 weeks then it started again. I haven't tried it today yet but yesterday it wouldn't start. Link to comment Share on other sites More sharing options...
cruiser54 Posted March 15, 2015 Share Posted March 15, 2015 I took it to the repair shop months ago when it first started doing this and they changed the CPS. Fuel pressure wasn't consistent so I changed the fuel filter, pump, pressure regulator, pump relay. Nothing worked. So then I started looking at the electrical end of things. The tilt column was alittle loose so I though maybe it was pinching a wire so I had that fixed. Swapped computers with a spare one I had just to see if it made a difference and it did nothing so I put the original one back in. The first time it ended up being the alternator. That was changed it ran great for 6 weeks then it started again. I haven't tried it today yet but yesterday it wouldn't start. So what about the Tips? Link to comment Share on other sites More sharing options...
boardmanMJ Posted March 15, 2015 Author Share Posted March 15, 2015 I don't think you gave me any tips? Link to comment Share on other sites More sharing options...
boardmanMJ Posted March 15, 2015 Author Share Posted March 15, 2015 Oh an Adam, I my truck fired right up and drove. It's now down at my dads shop in strut hers if you still want to set something up. Link to comment Share on other sites More sharing options...
cruiser54 Posted March 15, 2015 Share Posted March 15, 2015 I don't think you gave me any tips? In my signature? Red letters? Link to comment Share on other sites More sharing options...
boardmanMJ Posted March 15, 2015 Author Share Posted March 15, 2015 Sorry cruiser I'm on the mobile page on my phone and it doesn't show signatures. I need to get on my computer. Link to comment Share on other sites More sharing options...
Strokermjcomanche Posted March 15, 2015 Share Posted March 15, 2015 Or you can search Cruisers renix tips . Tuesday is fine . I'll bring the multimeter if you don't have one . Link to comment Share on other sites More sharing options...
boardmanMJ Posted March 16, 2015 Author Share Posted March 16, 2015 That would be great. I smashed my phone and lost all my numbers so you can call or text me anytime after 4 during the week if you still have my number. Link to comment Share on other sites More sharing options...
cruiser54 Posted March 16, 2015 Share Posted March 16, 2015 I'll post it here for you then. http://comancheclub.com/topic/36382-cruisers-renix-tips/ Link to comment Share on other sites More sharing options...
boardmanMJ Posted March 16, 2015 Author Share Posted March 16, 2015 Thanks cruiser. I printed them all out and I'm going to start checking things today! Link to comment Share on other sites More sharing options...
boardmanMJ Posted April 4, 2015 Author Share Posted April 4, 2015 I've done most of cruisers tips (except for eliminating the c101 connector) and nothing has worked. It's still doing the same thing where it hesitates then stalls after slowing down and coming to a complete stop. Recently however I did find a wiring harness underneith the interior passenger side dash with a fuse that someone had added. I hadn't taken the dash apart yet but from what I can feel the harness goes into a metal box (or plastic box with metal bracket) that is mounted on the lowest section of the dash. I'll post a picture. Link to comment Share on other sites More sharing options...
boardmanMJ Posted April 4, 2015 Author Share Posted April 4, 2015 Could this have anything to do with my issue? Link to comment Share on other sites More sharing options...
Crash Posted April 4, 2015 Share Posted April 4, 2015 If you have an Auto, then that is most likely the fuse for the TCU, Link to comment Share on other sites More sharing options...
boardmanMJ Posted April 4, 2015 Author Share Posted April 4, 2015 Yes it is an auto. The fuse didn't look factory to me and I wasn't sure exactly what the harness was. Link to comment Share on other sites More sharing options...
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