Fuel problem in a 302??
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Fuel problem in a 302??
recently purchased an f-150 w/ 5.0 the truck had sit for 4 years removed both fuel tanks installed one new tank the front one new fuel pump and new lines run to the high pressure fuel pump on the rail new gas ran sea foam 5 cans through the system
the truck starts great every time gets warm then quits
is there something that needs to be done that I missed?
It acts like the fuel is being cut off as the truck warms up
any suggestions would be very helpful. thanks
the truck starts great every time gets warm then quits
is there something that needs to be done that I missed?
It acts like the fuel is being cut off as the truck warms up
any suggestions would be very helpful. thanks
Posting Guru
Joined: Jun 2009
Posts: 1,509
Likes: 1
From: Wagener, SC
recently purchased an f-150 w/ 5.0 the truck had sit for 4 years removed both fuel tanks installed one new tank the front one new fuel pump and new lines run to the high pressure fuel pump on the rail new gas ran sea foam 5 cans through the system
the truck starts great every time gets warm then quits
is there something that needs to be done that I missed?
It acts like the fuel is being cut off as the truck warms up
any suggestions would be very helpful. thanks
the truck starts great every time gets warm then quits
is there something that needs to be done that I missed?
It acts like the fuel is being cut off as the truck warms up
any suggestions would be very helpful. thanks
Go here:
1980 - 1986 F100, F150 & Larger F-Series Trucks - Ford Truck Enthusiasts Forums
...and then click the "New Thread" button.
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Joined: Nov 2007
Posts: 22,415
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From: Denver Metro Area, CO
Actually, I made a new thread for him, extracted the two posts from the JYWS thread.
mncsweeney - We need to know the year of your truck so we have a better idea of its fuel & ignition systems.
-chris
mncsweeney - We need to know the year of your truck so we have a better idea of its fuel & ignition systems.
-chris
Moderator
Joined: Nov 2007
Posts: 22,415
Likes: 92
From: Denver Metro Area, CO
With EFI, my first approach is to ask the computer what it thinks is going on since it's a computer-controlled engine.
Here's how:
Ford Fuel Injection » How To Run a Self-Test
Ford Ranger/Bronco II EEC-IV Testing
Here's how:
Ford Fuel Injection » How To Run a Self-Test
Ford Ranger/Bronco II EEC-IV Testing
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Logistics Pro
Joined: Jan 2007
Posts: 3,827
Likes: 103
From: Martinsburg, WV
Should be EFI that year unless it's been deflowered... Have you verified spark, sounds more like a possible TFI issue, module warming up then dying.
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Posting Guru
Joined: Jun 2009
Posts: 1,509
Likes: 1
From: Wagener, SC
Seriously, pull codes. You need to know what the computer thinks is going on. You'll be surprised the amount of information you can get from this simple procedure.
If you take the TFI module in to be tested, make sure they run 5-6 loops on it in order to warm it up. Sometimes these modules work just fine when cold, but fail at operating temp.
Also, check your fuel pressure regulator, and fuel pressure at the injector rail.
Make sure that ALL your vacuum lines are in good shape.
If you take the TFI module in to be tested, make sure they run 5-6 loops on it in order to warm it up. Sometimes these modules work just fine when cold, but fail at operating temp.
Also, check your fuel pressure regulator, and fuel pressure at the injector rail.
Make sure that ALL your vacuum lines are in good shape.
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