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Jeep Wrangler Starting Problems



  • I just had same problem with my 1992 wrangler. Worked great, I stalled it, and couldn't get it started with full gas, good spark. It's at the dealer with them trying to figure it out.
  • bobbyahabobbyaha Posts: 1
    my 03 tj wrangler has starting problems. before it was hard to start first thing in morning. like it was not getting fuel. now it does this every time. to get it to start i have to pump the gas. then it is like it is flooded. it has gas, the engine turns over well, i was thinking that the fuel pump is letting fuel run back to the tank? or lack of pressure?
  • johns19johns19 Posts: 4
    I originally had starting issues...installed new fuel pump (not assebly) and it worked fine. One month after the new fuel pump was installed the vehicle stalled as I went down the highway. Code p0301 came up. I spray either into fuel body and it starts. I turn the key forward and hear the fuel pump working. I have not checked to see if fuel is pumping to the fuel rail.
  • haver1haver1 Posts: 1
    My 2004 Jeep Wrangler runs great, when it starts. I have replaced the battery, but the problem still exists. It may not be driven more than once a week, but I start it up every two or three days, without even putting it in gear. Sometimes it starts immediately, but sometimes, it seems the battery is completely dead. I charge the battery back up, and we start the cycle over again. Something is draining the battery, completely, but not every time.
    I wonder if it could possibly be the ignition switch since that is the only part I physically move. I don't touch the gas pedal or brake, don't put it into gear, nothing...just the ignition switch. Sometimes the battery is drained, other times not.

    Any thoughts or ideas would be appreciated.
  • erickplerickpl Posts: 2,735
    Do you have any aftermarket stuff hooked up? Stereo? Amp? Winch? Lights?

    Have you had the battery AND alternator tested? Ensure the alternator is putting out 14V or so.

    Had a similar issue, but my battery issue was due to previous winch operations and the battery just being worn out.

  • fmjefffmjeff Posts: 1
    I just had the same problem with my 92 Wrangler yesterday. I was backing up and seemed to run out of fuel and stalled. I could not restart and determined good spark, and no fuel after turning the key and checking fuel pressure. I have all electrical items working, a/c, heater, lights, stereo, but NO acc lights, emergency brake light on the dash when I turn the key on. Checked all the relays and fuses and no issues. I was initially thinking fuel pump in the tank, but I'm thinking maybe the computer.......but at a loss. What did the dealer say?
  • i haave an 03 jeep wrangler it ran great then i had to put a new clutch in it andnow it wont start it set in the driveway for about 3 weeks the battery has charge and it will turn over but it wont fire any ideas?
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