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Truck won't start in warm weather


trollneyes

Question

I have an 89 Ford Ranger with a 2.9L EFI that has been a wonderful cold weather starter for me. The problem is that when the outside temps reach around that 80 degree mark or if I do get it started and drive it for a length of time it will need to sit for 4 hours before it will restart. I have tried using starter fluid to get it running and it will start and peter out after about 10 seconds. It seems like it is getting vapor locked. Has anyone experienced this before or know the cause. It is difficult to tow the boat to the lake with the wifes car in July.

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"flatratetech" is a good site for this! Also fordtruckenthusiests.com Flat rate tech has been very helpful for me! jps

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Had the same thing happen to me, inside the distributer is a pickup coil and a modgeule, my pickup coil was the problem. I would start the truck, go some where and it wouldn;t start again just like yours. my coil was soft and mushy, the mec. said this was a sign it was bad. it is suposta be hard, the heat over time softens the coil and it shorts out.

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Since it starts with the starting fluid, it's not electrical. It will be in the fuel system, Probably a bad feul pump or relay. Could be in the efi too. Either you have low fuel pressure or when it gets warm the fuel pump doesn't turn back on.

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Corny as it sounds the warmer temps create more pressure under the hood and puts more pressure on the fuel making it work harder. So make this short your fuel pump is probably weak and needs replacing.

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Corny as it may sound a gas engine will run on ether fumes because when the piston comes up on compression it will heat the air in the cylinder enough to cause the ether to explode and the engine will act like it wants to run, as soon as the ether is used out of the intake manifold the engine will quit.

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Fuel pressure regulator will do this same thing also.. even a temperature sender can do it.. get it to a shop and have them hook it up to a scan tool.. its an expensive process of elimination you have going on there.. The TFI module on the distributer can pull some funky things too.. way too many variables.. pay the shop to scan it, and fix it yourself if you want to save a few bucks.

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  • Your Responses - Share & Have Fun :)

    • CigarGuy
      Nice job Bob! Fishing off the neighbors dock sucked for us. My gang is coming up Thursday night till Monday, this will be our opener, we'll hit it hard. It's a bummer my dock is mostly under water and the lift isn't in. Thanks to the neighbor around the corner for letting us park on shore at there place next weekend.
    • SkunkedAgain
      Well, I chose my screen name for a reason. 😆 Congrats to everyone
    • Bbobber
      I had a great weekend the weather was decent and fishing was good. I caught 5 walleyes 21"-25", 4 northerns largest was 32" and a 17 largemouth opening day. 2 more walleyes, 2 crappies 2 northerns on Sunday all on jig and minnows.
    • DLD24
      We had a good opener as well we could have kept limits opening day, but just kept enough for a fish fry. Then Sunday had our little friendly tourney and everyone had a pretty good day. Pulling cranks and jigs n minnows caught fish.  
    • Kettle
      Water temp today 45-50. Few fish, windy and cold 
    • Tominator692
      Had a great opening weekend. Son and I boated 51 walleye between Saturday and Sunday. Plenty of small stuff but no problem getting some nice keepers. This is a pic of the best weekend fish for us. 
    • fishingstar
      I was on Rice this weekend also. Seen boat lifts with water up to the canopy. I was the only one to catch a fish out of the hole campground It was about a 6" crappie.
    • BWpineisland
      We had a pretty good weekend. There were two couples and we limited out both Saturday and Sunday. The eyes we kept were all 15-17”.  We caught many 10-14” eyes and one 26” which was returned to the water immediately. All on a variety of jigs in 18-35’ of water. As usual the women out fished both of us😀
    • Bloatlord
      Wrong area, sorry.
    • Raven77
      I will second the advice on watching out for floating debris.  We saw a lot of floating logs and deck sections this weekend.  Also, most hazard and navigation buoys were not out yet.  I wonder how many lower units and props were destroyed this weekend?  It would be dicey if you don't know the lake.
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