kidnitro14

How's it going CF? I'm fairly new to this forum, (just made an account today) and I had a few questions. Hopefully you guys could help me out. So my Jeep was in Austin, Texas for a while which was where I lived before relocating to El Paso, Texas. While up there my Jeep started losing power while I was giving it gas and it sounded really choppy. It eventually got to the point when I was droving it home that it no longer wanted to go past 15mph. It idled like crap, didn't want to move much so I replaced the fuel pump, gas in tank, and fuel filter. Problem solved! About a week later the same problems started. So I towed my Jeep down to Odessa, Texas on my way to El Paso where my grandfather said he'd look into it. He told me that it was the fuel pump.
So there I went again to the store and replaced the fuel pump and fuel pump! Sweet!!! Problem solved. I drove my Jeep down to El Paso, and about a week into my stay here same problems AGAIN!!! Can anyone help me out with this? It's really frustrating.
I attached a picture of my Jeep so you can see it. Nothing fancy, all stock.

Slick761

What kind of pump you using? Also check the voltage from your ballast resistor on the driver side inner fender (engine bay). Third thing would be your tank being full of crap.

93gc40

Is the CAT plugged up?

Agent_Oragnge

if he changed the fuel in the tank would that have gotten rid of the potential crud in there?

dirt plugging filter, thus over working pump and burning it out.

kink in fuel line, thus over working pump and buring it out.

Agent_Oragnge

kid Nitro, the pic of your jeep, is that by chance parked anywhere near Montwood E of the loop? target/homedepot area?

Slick761

Just draining the tank doesn't always get all the sludge and crap out. There's a possibility if he's using airtex he got two bad pumps. Also if the ballast resistor is putting out to high of voltage for some reason it could burn it out...

DFlintstone

Sometimes I'll do some regular maintenance if I don't see the problem right off. Stuff I need to do anyway. Gap the plugs, clean the cap/rotor/wires. Filters. Sometimes when my 90 is grumpy I'll disconnect the battery for a bit. Reboots the computer? Also an easy check is the connection to the CPS there back by the back of the valve cover. Also I have one local gas station I avoid after finding loads of additive separating (ethanol?). Thats here in CA though. Check that the wires to your injectors are properly routed, not grounding. Unlikely, but a supper easy check. Then everybody is always talking about grounds. That single braided cable from the valve cover to the firewall doesn't always do the job.

Slick761

Don, our renix computers reset every time the key is turned off. Just FYI buddy. Newer ones however....

kidnitro14

I'm using a fuel pump from Bosche. It's the second one I use on the Jeep. Both were new too. I'll check the voltage too.

kidnitro14

Haha, yeah it is. Well in that area of the Eastside of El Paso.

Agent_Oragnge

thought so. u use to live in that area for a few years. neighbor hood looked familiar

kidnitro14

DFlinstone, I'm going to take your advice and I'll be cleaning it up and changing plugs. I'll keep you guys posted. Appreciate the help.

Slick761

I think its around 9v but I can't remember.

DFlintstone

Noted slick, and thanks again. Am learnin all I can from you guys. I swear sometimes when my idle goes high crashing/rebooting it straightens it out, must be coincidence. Yea, Kid, slick knows his stuff. That pump resistor is ceramic, on the front left. I think its the (front?) should be hot, (running), and the rear sends the 9 to the pump.

Yea doing the regular stuff that needs done anyway lets you rule some stuff out. Nobody mentions a fuel flow rate test I notice.

Slick761

Just sharing what I've learned brother. Oh and on your intermittent high idle... almost guarantee you its your tps. Adjust it up or down in .01 increments. Adjust it to spec on the trans side then just try the increments and you'll find the sweet spot. Any word on voltage or pump or anything Bosch boy? I would definitely pull the fuel filter and cut it in half (carefully, don't blow yourself up) see if it clogged. If so its time to have the tank boiled or get a new one.