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only starts on 2nd try...

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Old Sep 6, 2006 | 08:07 PM
  #1  
1967Ford300's Avatar
1967Ford300
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Unhappy only starts on 2nd try...

I have a weird problem that i have never incountered before. I have a 1990 bronco with a fuel injected 302, and it runs great and idles fine and everything, but it will never start the first try, no matter what. I drove to the store, and when i came out, with the truck still warm, i turned the key and it turned over really good, but it wouldnt start, and so i stopped, and i didnt give it any gas or anything, and the second time, it started right up, in an instant, and it does that every single time, warm or cold, its never started the first try.... any ideas on what that could be?? thanks
 
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Old Sep 6, 2006 | 10:37 PM
  #2  
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Have you checked for codes yet? If not you need to do that before you move on to anything else. A search of this site or checking out greysteak's FAQ'S will explain the simple proceedure for retrieving the codes. Also you should check out www.fordfuelinjection.com it explains it very well and describes the function of the various sensors. Once you understand how the computer uses those sensors to operate you'll be much more capable of troubleshooting. Once you have the codes post them here and someone will help you interperate them if you need.


PS the check engine doesn't need to be on for codes to be stored.
 
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Old Sep 6, 2006 | 11:16 PM
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From: END OF THE OREGON TRAIL
Check the fuel pressure regulator, the regulator will work but the check valve may be letting line pressure bleed off when you turn off the truck.
If the regulator is not holding fuel line pressure when truck is turned off the pump doesn't run long enough on the first try to pressurize the system. The computer only activates the fuel pump for a couple seconds when you turn the key on before the engine is running.
Hope this helps.
 
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Old Sep 7, 2006 | 12:21 AM
  #4  
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also check your timeing. should be 10*btdc with spout connector removed. if its at 10 already then bump up to 12* and see if it improves. also check the stuff others have mentioned
 
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Old Sep 7, 2006 | 12:24 AM
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"with spout connector removed"?? , im used to 60's V8's, and pontiac stuff, i have no clue what a spout connector is haha, i just got my bronco a week ago, so talk to me like im 12 years old or sumthing haha.
 
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Old Sep 7, 2006 | 12:54 AM
  #6  
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I just repaired that exact problem on my 1990. It was the fuel pump. It's probably the fuel pump on yours too, although you can swap the fuel filter and the fuel pressure regulator first and you might get lucky. You can test the fuel pump by checking for leakdown after cranking.
 
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Old Sep 7, 2006 | 08:35 AM
  #7  
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yea 93BBBronco got it pegged sounds like yer fuel line cant hold the pressure after you shut it down, the fuel drains into the tank btween him and jbronco you should be fine.
 
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Old Sep 7, 2006 | 01:53 PM
  #8  
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From: Loveland, CO.
Yeah hopefully it's not the fuel pump because it is a PITA to replace, but after I ran extra fuel system cleaner in mine, and then replaced the fuel filter and finally the fuel pressure regulator and still had the problem then I was out of options and had to bite the bullet. But at least it is one less thing to worry about, I go on a lot of road trips and the thought of a fuel pump dying out on the road was not a good thought. It's not like an engine mounted mechanical pump that you can change in less than an hour on the side of the road.

PS - If you end up doing the fuel pump I would also install a new fuel pressure regulator at the same time. It's sort of a hassle to replace that part as well, because it's on the very back of the motor and the bolts that hold it on were stupidly installed from the bottom so it makes a little three bolt nothing job turn into a messy, arm scratching, working blind type of thing. But it's a breeze compared to the fuel pump itself, especially if you are unlucky enough to have a full tank of gas when it fails.
 
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