Help, Stranded
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Proud Pirate
Joined: Feb 2010
Posts: 1,182
Likes: 105
From: Clinton, MS
Help, Stranded
When I tried to leave work my truck would not start. It's a 95 F150 with a 5.8l and an E4OD trans. I check the fuel rail and it is getting fuel, the battery is brand new and fully charged. I am stumped. Any ideas. I need help and need it badly. Thanks to everyone in advance.
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Proud Pirate
Joined: Feb 2010
Posts: 1,182
Likes: 105
From: Clinton, MS
it turns over just fine, I have spark and fuel in the rail. When i depressed the schrader valve in the fuel rail, i get fuel but not at pressure. I am wondering if the fuel filter could be clogged and not letting enough fuel through
Logistics Pro
Joined: Mar 2005
Posts: 4,698
Likes: 47
From: Mexico, Missouri
X2 what TerryS said.
Just a NOTE: Use extreme care with Starting fluid..May cause more headaches if it were to ignite violently in the head...Most people shoot a whole bunch in the intake and then it damages more in the head than it would have cost to repair the 1st problem.
Pull the plugs after turning the engine over a few times. If you can hear the fuel pump prime when you 1st turn the key over, then you should have fuel being delivered. After letting the engine turn a few times, get at the plugs and see if they smell of fuel. If they do, I would suspect TFI or coil problem.
That should help narrow down the problem.
Just a NOTE: Use extreme care with Starting fluid..May cause more headaches if it were to ignite violently in the head...Most people shoot a whole bunch in the intake and then it damages more in the head than it would have cost to repair the 1st problem.
Pull the plugs after turning the engine over a few times. If you can hear the fuel pump prime when you 1st turn the key over, then you should have fuel being delivered. After letting the engine turn a few times, get at the plugs and see if they smell of fuel. If they do, I would suspect TFI or coil problem.
That should help narrow down the problem.
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Proud Pirate
Joined: Feb 2010
Posts: 1,182
Likes: 105
From: Clinton, MS
Any suggestions, its at work and I'm limited to tools and after-hours to fix her, if I can. This stinks, she wa running great, then nothing
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Fleet Owner
Joined: Aug 2005
Posts: 23,666
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From: Easton,Ks
Do you have two tanks and if so does it do the same thing on the other tank?
Do you hear the fuel pump run for one second when you turn on the key?
If not ground pin #6 of the self-test plug (image below) and turn on the key. Do the fuel pumps run now while the key is on?
If they do run for one second when the key is first turn on check for spark by putting a screw driver in a plug wire while holding the insulated handle.
If no spark and you do want to change the ICM (TFI) make sure you replace it with a Black one as a Gray one is the wrong one and will give problems.
If no spark post back and we will help you trouble shoot that route.
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Do you hear the fuel pump run for one second when you turn on the key?
If not ground pin #6 of the self-test plug (image below) and turn on the key. Do the fuel pumps run now while the key is on?
If they do run for one second when the key is first turn on check for spark by putting a screw driver in a plug wire while holding the insulated handle.
If no spark and you do want to change the ICM (TFI) make sure you replace it with a Black one as a Gray one is the wrong one and will give problems.
If no spark post back and we will help you trouble shoot that route.
/
Hotshot
Joined: Sep 2001
Posts: 11,958
Likes: 228
Listen to Subford about the black and gray modules. Get the black one which should be the same color as the one thats in there.
Something quick and easy to check is the fuel pressure regulator. Pull the vacuum line off of it and see if it is leaking. This probably isn't your issue, but only takes 2 seconds to check.
Something quick and easy to check is the fuel pressure regulator. Pull the vacuum line off of it and see if it is leaking. This probably isn't your issue, but only takes 2 seconds to check.
Cargo Master
Joined: Jun 2002
Posts: 2,033
Likes: 32
From: Aurora,Colorado
If the FPR seems good-make sure that the fuel pump is actually running and pressurizing and suspect the fuel filter.
Thread Starter
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Proud Pirate
Joined: Feb 2010
Posts: 1,182
Likes: 105
From: Clinton, MS
well, the pressure regulator seems to be fine, the pumps are working or at least both sound like they are. At the schrader valve, I have fuel but not at pressure. It just bubbles out like a brook, not the spray I expected. The fuel filter is where I am going to start and then work my way forward if needed. The filer has not been changed in quite a while. I am hoping it is clogged and that is causing the problem. Ill be on my back in the parking lot tomorrow night trying to figure it out. I am extremely grateful for all of he advice. It means a lot, thanks guys. I will let you all know what I find.
Senior User
Joined: May 2010
Posts: 307
Likes: 1
From: McMinnville, TN
Based on what you've said, It's almost certainly a fuel delivery issue. If you can verify that the pumps are turning on, but still no pressure at the schrader valve, then you've got problems. I'm betting on a fuel pump. Borrow or buy a fuel pressure gauge to test it. I've used mine a lot over the past few years. Well worth the $30 or so I spent on it.
I've had several cars with bad pumps and it gets aggravating trying to troubleshoot them. I spray a small amount of ether into the throttle body to verify spark. It works best with two people, but one can do it. No start means no spark. Start then die means good spark.
I've had several cars with bad pumps and it gets aggravating trying to troubleshoot them. I spray a small amount of ether into the throttle body to verify spark. It works best with two people, but one can do it. No start means no spark. Start then die means good spark.