1984 F-150 inline6 4.9L, Idles fine until put into gear
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1984 F-150 inline6 4.9L, Idles fine until put into gear
Im trying to figure out what's wrong with my 1984 f-150, I just did a motor swap, I've changed out all kinda parts as well and finally got it running right. I drove it for about a week and was on my way home from work, stopped and got gas, got 2 or 3 miles up the road, and it started to spit and sputter like it was running out of gas, Although I know it has plenty of fuel. I checked the timing, I put a new fuel pump on, new fuel filter, also replaced the carb, and cleaned the injector and it still acts this way driving. It will Idle fine, you would never know anything was wrong with it when it idles, then you put it in gear and push the gas pedal and its like it just isn't getting fuel. im stumped. any suggestions? hat could cause it to act like this?
Lead Driver
Joined: Jul 2009
Posts: 6,477
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From: Sheffield, AL
Welcome to the forum, Jackedupford!
Where are you located? Someone near might be able to help. You stated that you have swapped the engine... is it still computer controlled?
You said it started acting up just after the fill up... bad gas?
Where are you located? Someone near might be able to help. You stated that you have swapped the engine... is it still computer controlled?
You said it started acting up just after the fill up... bad gas?
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Joined: Oct 2011
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Hey 1986f150six, Im am in Rockmart, GA. I thought bad gas too, but it was from QT, and it still wont run in gear if i pour good gas into the carb directly. I've checked all the fuel problems I would know to check and everything looks fine. i have the older model carb with a electric choke. Could the injector just be bad inside the carb? If so, Is it possible just to replace the injector?
Moderator
Joined: Nov 2007
Posts: 22,415
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From: Denver Metro Area, CO
OK; since it's computer-controlled, ask the computer what it thinks is happening.
Here's how:
Ford Fuel Injection » How To Run a Self-Test
Ford Ranger/Bronco II EEC-IV Testing
Also, please click on User CP in the top-left and finish filling out your profile so we can see where you're at with each post you make, OK?
Here's how:
Ford Fuel Injection » How To Run a Self-Test
Ford Ranger/Bronco II EEC-IV Testing
Also, please click on User CP in the top-left and finish filling out your profile so we can see where you're at with each post you make, OK?
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New User
Joined: Oct 2011
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Im sorry, It is not still computer controlled. What next? I had someone say something about an accelerator pump? Would that cause it to act this way?
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