Question about 1986 Ford F150 SuperCab

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1986 ford f150 straight 6

We have found a metal line normally used for fuel on the carb that has been crimped and broken we do not know where it goes so we can fix it or what it is even for

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That year truck some one may
have change the motor from a manual fuel pump to eletric and never removed the old line when you start your truck and if you hear a humming sound than you have a eletric fuel pump and that explain's the old fuel line if there's no leaking of fuel than you can remove the remains and it wont hurt any thing other than that i would have to see the situation.

Posted on Jun 18, 2008

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Why is My 1986 ford f150 starts great in the morning but after hot it's like it's not getting fuel


What have you checked so far ?
Fuel pressure ? Fuel pump relay ? Good spark to plugs ?

Sep 05, 2014 | 1986 Ford F150 SuperCab

1 Answer

1985 ford f150 getting no fuel to carb,what is it?


Check the Fuel Filter and Fuel line to carb. May have a blockage. Hope this helps. I know fuel filters can block completely and no fuel will flow.

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You would need to figure out if the problem is too much air or not enough fuel.
The carb has three internal circuits - - idle, cruise, and accelerate.
Fuel flows thru each circuit from the bowl to the venturi.
You could have a vac leak that is allowing too much air to enter the intake, or the idle circuit on the carb may not be adjusted correctly after the engine warms up.
Or it could be something else.

Jul 06, 2013 | Cars & Trucks

1 Answer

89 ford f150 in-line 6 cylinder. i have replaced a few injectors both fuel pumps and filter. idles like a dream. when i hit the gas it studders but doesn't die. need more info ask. any ideas?


This is for a 1989 Ford F150 In-Line 6-Cylinder (4.9L) wrongly posted by the Asker under a 1986 Ford Mustang....

Fuel Injector Pressure Regulator. Look it up on line at any of the reputable auto parts websites to get an idea what it looks like.
There should be a Rubber Vacuum Line coming from this (the Regulator is located on the Fuel Line prior to the Fuel Injectors) to the Intake. Take this Line OFF. If there is gas in that line = The Fuel Injector Pressure Regulator diaphram is broken and the Fuel is being dumped into the Intake and NOT being advanced onto the Fuel Injectors; and the Regulator must be replaced.
Let me know if this helped.

Apr 01, 2010 | 1986 Ford Mustang

1 Answer

Tick in cabrater and hesitates and backfires


A tick in a carburator usually means dirt / loose or broken inrernal parts. Check the filter on the sideof the carb. there should be a short filter where the gas line attaches . with a check valve to prevent drainage . If the carb has never been overhauled it may be time .

Mar 12, 2010 | 1986 Ford F150 SuperCab

1 Answer

Fuel swith depressed not poping back up


Try jumping the switch 96 is directly related to the fuel pump power.

Use a jumper lead in the connector to see if it will run that way...if so ..BAD SWITCH

Aug 28, 2009 | 1986 Ford F150 SuperCab

2 Answers

Hi got a ford f150 1986 f/i will not start


check fuel pressure @ service port on fuel rail. also listen for fuel pump to come on when you first turn on key. pump is in fuel tank. also note i have seen a lot of f150 302 injectors clogg up.but that usually effect idle and performance. if there is good fuel pressure then check fuel injector signal with a tester called a noid light. it is inexpensive and can be found @ most auto part stores. you really should'nt check injector signals with a standard 12 volt testlight. it has been known to burnout the drivers on the ecu. test all that first.

Aug 04, 2009 | 1986 Ford F150 SuperCab

3 Answers

84 F150 fuel transfer problem


If there is not a mechanical fuel pump on the side of the block it will have a pump in that tank on some fords you can get to the tank and check for power if it has a pump in the tank otherwise you have a vacuum leak in the line or the fuel tank filter is plugged. also and this is what I would check first is test the switch for it switching power from one side to the other and see if you here the switching valve shift over. I had to replace a few of them over the years. Normally it's the valve itself it gets junk in it and does not allow the valve to switch.

Jul 30, 2009 | 1986 Ford F 250

1 Answer

Ford f150 1986


The firing order for the 4.9 L engine is 1-5-3-6-2-4, with the firing order rotation on the distributor cap going clockwise. For the 5.0 & 7.5 L engines, the order is 1-5-4-2-6-3-7-8, and the 5.8 L engine is 1-3-7-2-6-5-4-8. On all three of these engines, the distributor cap firing rotation is counterclockwise. Also, on the six cylinder 4.9 L engine, the cylinders are in a "straight six", with #1 cylinder starting in front, and going in order straight back to #6. The eight cylinder engines' cylinders all fire in order also, (standing in front of the vehicle looking back towards the firewall) with #1 being front on your left and going straight back to #4, and then #5 being at front right, going straight back to #8, with the distributor being front and center. Hope this helps you out.

Aug 13, 2008 | 1986 Ford F150 SuperCab

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