1991.pioneer.explorer
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Everything posted by 1991.pioneer.explorer
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Thanks man, I'll give it a go. If all else fails I guess I'll try another battery. That's what it seems like but before the new battery it was running real $#!&ty and I thought it was fuel issues so I replaced the tank, pump, filter, and injectors. Once I was done I had to jump the old battery to get it to start, it was still a super hard start. So I replaced the TPS and IAC and it felt the same, a real hard start but when it started it backfired and misfired like I was pedal to the medal. I pulled my pcm, and it looks okay not burnt or anything on the board. But it won't give me the check engine light or my guages or anything anymore like if there wasnt even a battery connected.
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I replaced my fuel system completely, battery, IAC, TPS, cleaned throttle body. And now she doesn't even want to try to crank. I'm not getting any lights on the dash, I can't check the dash codes because of this and I'm so stuck.. If anyones had this issue or has fixed this issue for someone else, any info is greatly appreciated.
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I have a 91 mj 4.0 high output, I believe the donor came from a 92 cherokee, same motor. It was just the block that was swapped. All the parts and brackets were taken off of the original and put onto donor.
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Here's my problem.. I did a motor swap myself, and I got everything in and hooked up, when I connected the negative terminal to the battery post, fuel immediately started getting pumped to the injectors. Mind you the keys aren't even in the ignition nor is the switch in the on position by chance. I even took the relay out of the fuse box and it still ran. And if its a short, we all know how much of a pain in the @$$ following the fuel wiring is because it runs into the cab through a grommet under the driver seat. I'm not sure what to do, by no means am I a mechanic I just love my jeep and want to know how it works but I think It beat me this time.. I might let a real mechanic give it a look.
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