Starting trouble (sometimes)
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Cross-Country
Joined: Sep 2016
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Starting trouble (sometimes)
Every so often my 2002 F-150 will just turn over and not start. After a few tries it starts right up.
The battery is good and the engine runs great without any issues.
The starter is strong and doesn’t seem to be the problem.
No electrical issues.
I thought it might be a distributor issue?
Anyone else have this issue?
Thanks.
The battery is good and the engine runs great without any issues.
The starter is strong and doesn’t seem to be the problem.
No electrical issues.
I thought it might be a distributor issue?
Anyone else have this issue?
Thanks.
Hotshot
Joined: Jul 2005
Posts: 11,931
Likes: 180
you might be running out of fuel.. There is a pressure regulator under the hood on drivers side that dumps excess fuel from the line back into the fuel tank. If the rubber diaphram inside the regulator is BAD, the pressure can bleed off and have no fuel available to startup... This would be more common first thing in the morning after setting a day or two. ... There is a Schrader valve ( like a tire valve) on the fuel line in the VEE of the engine. You can measure pressure at that point if you want to see if it is maintaining pressure....... you can also have a leaking check valve inside the fuel tank on the fuel pump.... How many miles ? Do you have the original fuel pump ?
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Cross-Country
Joined: Sep 2016
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Start up
My truck has close to 115000 miles and I don’t know if it’s the original fuel pump,(bought it used)
Never had a problem except for a whistle coming from the engine bay...only in cold weather.
Like I said before, the truck runs perfect...just have this problem recently.
BTW, I just changed the fuel filter but this problem popped up prior to that.
Never had a problem except for a whistle coming from the engine bay...only in cold weather.
Like I said before, the truck runs perfect...just have this problem recently.
BTW, I just changed the fuel filter but this problem popped up prior to that.
Hotshot
Joined: Jul 2005
Posts: 11,931
Likes: 180
fuel pump normally last longer... but still possible that check valve leaking..... Next time it does it, STOP... turn key on, wait 3 seconds, turn key off, turn key on, wait 3 seconds, turn key off, then start truck.... when you turn the key to ON, ( not start), the fuel pump runs for 3 seconds and will prime the fuel line... See if that fixes the problem.
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Cross-Country
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Laughing Gas
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From: Timbuk3, MI
Murf-150 - Every so often my 2002 F-150 will just turn over and not start. After a few tries it starts right up.The battery is good and the engine runs great without any issues.The starter is strong and doesn’t seem to be the problem.No electrical issues.I thought it might be a distributor issue?Anyone else have this issue?
When was the last time that the fuel filter was changed? HINT/TIP: Put your complete vehicle information (year, model, cab, trim, engine, wheelbase, _x4 drive, mileage, etc., etc., etc.) in your signature -OR- provide it in your posting(s)..
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I'd check fuel pressure when this is happening and when it runs well. Report it back here and I bet we can tell you more based on that.
Also, if it is easy, see if there are any codes stored.
Fuel pumps usually do last longer (in miles), however, previous owner may have let it suck air a lot or there might be dirt in there or maybe it idled for 100,000 hours or who knows what in 17 years of being a pickup.
Also, if it is easy, see if there are any codes stored.
Fuel pumps usually do last longer (in miles), however, previous owner may have let it suck air a lot or there might be dirt in there or maybe it idled for 100,000 hours or who knows what in 17 years of being a pickup.
Hotshot
Joined: Jul 2005
Posts: 11,931
Likes: 180
the fuel pressure port is a Schrader valve like used on a tire.. You can buy a special gauge to measure the fuel pressure. a quick test is to take a small pointed screw driver or nail and POKE the center pin on the Schrader valve to see if it POPS out some fuel. That don't tell you the pressure, but it does tell you there is pressure inside the rail..
You code reader should have a cable and plug into a large PORT below the steering wheel, under the dash. turn it on and it will read and give you the CODE NUMBERS.. you can look up on GOOGLE, or you can ask here what the codes mean.
You code reader should have a cable and plug into a large PORT below the steering wheel, under the dash. turn it on and it will read and give you the CODE NUMBERS.. you can look up on GOOGLE, or you can ask here what the codes mean.
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Jan 14, 2012 10:58 PM