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Old 03-16-2010, 12:13 PM   #1
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It died....again.

Driving home last night and wallah, sputters and dies. Will not start. Had it towed home, sitting in my driveway. Just a few months ago I replaced the fuel pump, so I'm hoping it's not that. However, when I had the fuel pump replaced I was told that the fuel pump hanger was extremely rusty, and that if that were to break the fuel pump would cease to work..I'm rather hoping it's that. Any ideas though? When it died I was driving along, the RPM's went to 0, lights dimmed, and it sputtered a few times. Each time it sputtered, RPMs went back up a little and lights got brighter. 94 5-speed 4 cyl

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Old 03-16-2010, 12:42 PM   #2
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I guess a good place to start is the fuel pump

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Old 03-16-2010, 02:10 PM   #3
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I'm now going to shut that down with a new devlopment...it started today. Here's what I'm thinking; when I had the fuel pump replaced, I was told the fuel pump hanger is very rusted and liable to break, allowing the pump to float around and not do its job very well. Perhaps going up the hills and such shifted it to a position where it would not work, but being put on the flatbed and such pushed into the driveway put it into a position where it will; I'm going to test this theory shortly by jacking it up in every possible position and leaving it there to run until one of the angles makes it stop running, assuming any of them do. I am also going to put it on ramps, forward, back, both sides, and see if any of that does it. If not..is it possible that a fuel line got clogged and somehow whatever clogged it dissolved over night? I recently put in fuel system and fuel injector cleaner, both STP brand, about a tank and a half ago.
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Old 03-16-2010, 03:28 PM   #4
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Heck by the time you do all that you can drop the tank and know for sure.
And if you have that kind of rust maybe it is time for a tank upgrade.
could also be a bad connection and ground at the pump.
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Old 03-16-2010, 03:39 PM   #5
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I'll be honest, I'm not very confident in my abilities to drop the tank. It intimidates me, for whatever reason. If anyone has a good writeup or something on it maybe I can attempt it...or based on my experience, anyone think I can do so with the chilton books advice? I've fabricated and replaced all the brake lines, replaced the radiator, cut the body for new fender flares, new computer, oil changes, transmission fluid changes, plugs and such (not that those last three need much skill), a fair amount of body work, and replaced the exhaust from the downpipe back by myself...but I'm not sure that constitutes the ability to drop a fuel tank.
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Old 03-16-2010, 05:29 PM   #6
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Old 03-16-2010, 06:20 PM   #7
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Just don't smoke while you're doing it
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(Sold)1994 Jeep Wrangler 2.5L, Bestop top
/w steel half door and slider windows
5 speed, 2.5" lift, 31" tires,rack lights
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Old 03-16-2010, 07:01 PM   #8
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Ahahaha. That'd end badly. And thank you very much
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Old 03-17-2010, 01:05 PM   #9
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I just bought a 1987 Jeep wrangler that has been parked in storage for 6-7 years. 258 liter motor.It has a clacking sound after starting. Pulled valve cover off. Everything seems ok. Any idea what it could be.
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Old 03-17-2010, 04:57 PM   #10
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Quote:
Originally Posted by MrCarlos View Post
I just bought a 1987 Jeep wrangler that has been parked in storage for 6-7 years. 258 liter motor.It has a clacking sound after starting. Pulled valve cover off. Everything seems ok. Any idea what it could be.
Lazy lifter(dry). with the valve cover off and running( you might need rocker clips) you might be able to hear the bad or several bad lifters, If not put your finger on each rocker near the pushrod and you should be able to feel it (maybe) If not take them out one at a time and check and clean them, this works most of the time. Its usually a piece of crap or varnish in them.

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/w steel half door and slider windows
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