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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 08-03-2009
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truck starts funny

here lateley, the truck starts funny every so often.
it cranks everytime, usually just fine, trun the key and it starts right up. BUT EVERY ONCE IN A WHILE....maybe every 10 crank, it will start funny. it hesitates like it takes an extra second or two to crank and fire up...you know like when a vehicle wont crank nad just truns over repeatedly. well mine will do that but only for a second and then fires right up...it worries me. my papa thought i may need to replace the fuel filter bc it may have accumilated water...any ideas on this guys....

btw i have 4.0 and an auto
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Old 08-03-2009
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i have never seen a fuel filter effect how a truck runs or drives, but its cheap so you could replace it.

when i turn the key i always wait for the fuel pump to stop priming before i go to start. Are you sure you are just not cranking it faster? Flip it to run wait a second then crank.
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Old 08-03-2009
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My dads 2002 Exploder XLT hesitates every time we start it up, been doing it for 2 years, no problems. Maybe its a SOHC thing.

Last edited by 99MazdaB4000; 08-03-2009 at 10:00 AM. Reason: .
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Old 08-03-2009
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yea mine does that to sombody figure it out please
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Old 08-04-2009
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Quote:
Originally Posted by zabeard View Post
i have never seen a fuel filter effect how a truck runs or drives, but its cheap so you could replace it.

when i turn the key i always wait for the fuel pump to stop priming before i go to start. Are you sure you are just not cranking it faster? Flip it to run wait a second then crank.
+1

I always sit mine in the key on position for a few seconds before I start it up.
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Old 08-04-2009
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some times it can be early signs of a fuel pump going bad... the pump cant keep pressure to the fuel rail and it leaks back into the tank. a shop can hook up a pressure tester to the rail and check this. if this is the case its just a sign, and can last quite a while
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Old 08-04-2009
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i try to let the pump engage, but sometimes forget
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Old 08-04-2009
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I have noticed that if I don't hold the starter on long enough to get the engine started the first time, it will take a longer time to crank before it starts the second time. It has done this since I bought it in 05. You know what I say about it? Its a Ford. Its probably normal.
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Old 08-07-2009
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could be your fuel pump ready to die.
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Old 08-07-2009
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I have the something happening. if i turn the key and give it a second or two ... it starts up even worse... im thinking that its my battery and or the battery cable coming from the starter... it seems stiff and crunchy, like its corroded inside. my last ranger had the same issue but it had a higher cranking amp battery which worked well. but i would try to get it replaced if you have a warranty. im not sure but i think the wiring costs $60-80 to buy. it looks like a pita to do yourself.
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Old 08-07-2009
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yeah i have had similar issues as well..

just the very odd time it will hesitate when i crank it over... also i always let it 'prime' for a second or two as well..

also lately ive been watching how far i twist the key... some early mornings ive noticed that i dont fully twist it and thats when ive had the hesitations... so as i say just been trying to twist it fully and i havent noticed the hesitation since..
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