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Old 04-14-2013, 09:23 PM   #31
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Quote:
Originally Posted by Boomingcosmo View Post
Well I wish u luck then.....sorry couldn't help. They fo say that you can't get to 1/4 tank or it will act as if it is emnty....just a fyi
I appreciate the help. I have ran it to the light coming on before and even a few miles after it being on with no problems. Only did that once but it has been done. The only reason I'm thinking pump is because its electrical and after sustained periods of running especially in hot temps it may be failing??? That's just my mode of thinking although I tend to shy away from that idea at the same time because it starts right back up. Kinda at a loss right now.

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Old 04-15-2013, 07:19 AM   #32
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No problem ....if u need to replace the pump go to autozone I attached a photo. You honestly sound as if u r having a fuel issue. Hope this helps..goodluck

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Old 04-15-2013, 07:27 AM   #33
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Thanks again. Also going to try and contact the PO today. After reading a few other things on here I checked the ASD relay. It is definitely newer than the others so I'm guessing by that, they had this issue as well and never got it fixed completely. Hopefully they will be honest and tell me what all they tried
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Old 04-15-2013, 07:42 AM   #34
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Listen to those guys about water in the gas... you go up hill, water runs to rear of tank. Water then gets sucked into fuel filter and kills it. You restart it, burn out the water and your good. It may do it in long corners as well.

Im all for getting yourself a bottle of drygas, put it in the tank and try it. It is a liquid that obsorbs water in the tank. For 6-7 dollars how can you go wrong?

Yeah a fuel pump would fix it I guess, IF YOU DRAIN THE TANK to change it. LOL then the water will be gone to.
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Old 04-15-2013, 07:59 AM   #35
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I will look into that. You are the first one to mention water in the fuel. I will definitely pick a bottle of that up. I also ran seafoam in the tank almost a month ago would that not help? I do not want to do the pump, I am asking in here because I would really like to avoid it if possible. LOL

But I also don't understand if it is water in the gas would it only do it after driving for long periods of time? I go up bigger hills in short distances with no cutting off, than the ones in longer distances that make it shut off??
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Old 04-15-2013, 12:19 PM   #36
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Sounds like a bad crank position sensor.My jeep would randomly stall and then start back up and it ran fine.I replaced the cps and no more problems.
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Old 04-15-2013, 12:20 PM   #37
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Sounds like a bad crank position sensor.My jeep would randomly stall and then start back up and it ran fine.I replaced the cps and no more problems.
It did to me too but he has already replaced the CPS.
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Old 04-15-2013, 12:25 PM   #38
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Hi Jerry.I am new here and see you alot on here.I just wanted to thank you for helping all of us out with our jeep problems.
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Old 04-15-2013, 12:29 PM   #39
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Jerry,

during my lunch break today I did a little more looking around (will be doing the fuel pressure test this evening) I did notice that the ASD relay in mine is newer than all the rest. Also all the rest of the relays as well as the replaced ASD have the same part number except the last letter. My short term memory is horrible but I think all the others ended with the letter "A" and this newer one ended in "c" or the other way around. Also the older ones are Siemens relays made in USA and the newer one did not have a name on it but made in Germany. Think maybe that relay could be causing issues?
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Old 04-15-2013, 12:35 PM   #40
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You can swap those relays around so long as they are the same size to see if the symptoms change. Within the PDC, those relays that are the same size are the same and fully interchangeable.
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Old 04-15-2013, 12:42 PM   #41
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I did swap them around, the only problem is that I have to drive for roughly 1.5 hours at least for the problem to show up again so it will be a while before I make another trip home to try it...... I guess time will tell.
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Old 04-15-2013, 04:43 PM   #42
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Well I have a new update to the problem. Coming back from dinner this evening I went around a right hand turn probably faster than I should have and the jeep acted like it wanted to die. It only has 1/4 tank of fuel right now. Tried it a second time to confirm I wasn't losing my mind and it actually shut off and I had to restart it. Fired up no problem.
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Old 04-15-2013, 06:26 PM   #43
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I went to O'reiley auto parts and tested the fuel pressure. Runs right at 49 PSI in RPM range from idle all the way through 4k. So I am now thinking maybe the ECM (if that's what it's called on these Jeeps). Could it possibly be heating up? Could it be shutting the engine down when it gets hot?
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Old 04-15-2013, 07:53 PM   #44
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The question is if that 49 psi is being maintained at the time your engine dies. That's why in my PM I suggested leaving it connected & checking it immediately after the engine dies.
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Old 04-15-2013, 08:00 PM   #45
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Yeah I was thinking that as well. I will have to find a friend with a gauge to borrow. They wanted $109 deposit just to let me use it. It will be three weeks at least until I make another long trip home so I have a little time to find one. Then I will have to make sure it don't leak while hooked up as this one leaked like crazy while it was hooked up. And thanks a ton Jerry for all your help and guidance through this.
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Old 04-21-2013, 06:35 AM   #46
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OK folks, for some new developments..... This morning on my way into work (24 hour duty). First time ever having problems on short drives. I noticed that at about 3/4 throttle the Jeep was acting like it was running out of gas. Full throttle or less it did not do this. I'm thinking now that the CPS I replaced last weekend is going bad?? I cleaned up the old one I took off and still have it. My plan is to change back to the old one and return the new one. Since that CPS didn't fix my initial problem to start with I figure it's at least a good excuse to get my $90 back. Any other ideas on what my problem might be?? Still have not had the chance yet to check the fuel pressure on longer trips.
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Old 04-21-2013, 02:28 PM   #47
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Any additional insight Jerry?
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Old 04-21-2013, 02:32 PM   #48
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Beyond my original suggestion to see what the fuel pressure is immediately after the engine dies? No.

I doubt you'll get a refund for the CPS, electrical items are usually not returnable. Do keep the old CPS in your Jeep as a spare.
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Old 04-22-2013, 07:16 AM   #49
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Ok...I was reading ur thread and we had tg e same problem. All I did was get it flushed out and dumped cleaner in my tank haven't had issues.
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Old 05-05-2013, 05:29 PM   #50
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Well whatever it is has given out all the way. Now it shut off and will still start right back up and idles perfect just no throttle response.
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Old 05-05-2013, 05:38 PM   #51
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Well not completely given up on me. Let it sit for 3-5 minutes and its running fine again.

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