95 f150 power loss
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5th Gear
Joined: Apr 2023
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95 f150 power loss
I have a 1995 F150 4x4 157,000 miles. It will run fine for 20 to 30 minutes then it just loses power and back fires a little on the left side of motor. I replaced fuel filter, plugs, plg wire, rotor and cap. Nothing changed. It does not have a catatic converter. Any thoughts?
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5th Gear
Joined: Apr 2023
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I will try changing fuel pump. I forgot to mention that when it acts up I can let off on the gas pedal then press it again and it get power again. Sometimes it takes a couple of times to get it to come back.
Logistics Pro
Joined: Nov 2013
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From: Mojave, Ca
Dont change out the pump until you test it first! Testing the pump is free and only takes 15 minutes to do.
Lead Driver
Joined: Feb 2002
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From: Greater Austin, Texas
I will try changing fuel pump. I forgot to mention that when it acts up I can let off on the gas pedal then press it again and it get power again. Sometimes it takes a couple of times to get it to come back.
Sounding more and more like fuel pump all the time.
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5th Gear
Joined: Apr 2023
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Here's an update. I have replace the fuel pressure regulator, the fuel pump, the ignition coil, spark plugs, rotor cap, rotor button, mass air flow sensor, and air filter. It had gotten worse before I changed anything and will only go a mile or two before losing power and back firing on left side of the motor. It will pick back up when you let off the gas petal a few times. Any other suggestions?
Fleet Owner
Joined: Oct 2005
Posts: 20,787
Likes: 1,751
From: Kentucky
So back to the questions asked previously, before the parts cannon was released...
what is fuel pressure
check for codes, even if check engine light isn't on
New question:
What did the old spark plugs look like? Any signs of a cylinder or more looking lean?
what is fuel pressure
check for codes, even if check engine light isn't on
New question:
What did the old spark plugs look like? Any signs of a cylinder or more looking lean?
Fleet Owner
Joined: Oct 2005
Posts: 20,787
Likes: 1,751
From: Kentucky
Where they black, white, gray??
How about some empirical numbers for the fuel pressure. Any codes flagged in the KOEO tests or Stored Code display?
What engine is in the truck?
How about some empirical numbers for the fuel pressure. Any codes flagged in the KOEO tests or Stored Code display?
What engine is in the truck?
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