Fuel Pumps
Ford Explorer
Chevy Blazer S-10
Ford F-150

What would cause both fuel pumps to stop working after a 1990 Ford F150 truck warms up?

99100101

Top Answer
User Avatar
Wiki User
Answered
2011-03-22 21:11:31
2011-03-22 21:11:31

Fuel pump relay, maybe

Remove the ingnition mudule located on the driver's side fender, no on top of the fender skirt, on the fender near the firewall. I think it's a 10mm. It looks like a black box(1 1/2" x 4") mounted in an aluminum heat finned casing. OR it is attached to the bottom of your distributor 9(same physical description minus the aluminum piece). Now that you've found it and taken it off, take it to your local autozone and have tested at least 8 times in order to heat it up to normal operating temp. If it fails, BINGO! You answered the million dollar question that plagues and drives Ford owners insane trying to figure it out. You see, this module when it decides to comletely fail will stop your truck from firing and will stop your fuel pumps from pumping, leaving you dead. NO spark, No fuel.

CHECK YOUR RELAYS.......POWER AND FUEL PUMP RELAYS, ONE OR THE OTHER

CAN OPEN WHEN HOT RESULTING IN FUEL PUMP SHUTDOWN:

001
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
๐Ÿ˜‚
0

Related Questions


Grounding issue, bad wiring, failing bulb.

that would be the automatic choke working until engine warms up enuff not to need a choke

It's probably the ECM or Electronic Control Module which sits right behind the distributor cap. These have a history of getting hot and not working properly when they get old. Autozone tests them for free.

the oil pressure in the engine rises when the truck is warming up causing the light to show, if continues after the truck has been running, change oil and oil pump.

Your body warms up because your heart rate goes up adn your heart pumps more blood and more blood faster.

The computers in the 1990-1995 have bad capacitors and they can cause a no start. Every easy to fix though. Check out Suzuki Forums. com On_mitch

what causes a roaring sound in a 2004 pontiac sunfire after it warms up? it runs great and idles great and quiet except for this.Anonymously

Connect a code scanner and see what the computer has stored. It will tell you exactly what to repair. have you checked your fuel filter? sounds like a carburetor problem

check your catalytic converter to see if its plugged as this will cause the engine to die. good luk,ozzy

is this a diesel truck?does this engine have a turbo?if it is a diesel with a turbo,it will blow white smoke when cold till it warms upif it continues to blow smoke check your air filterother reason if it continues to blow smoke is the turbo is about to crater get it checkedalso check engine oil for coolant lossif coolant is leaking into cylanders,this will cause white smoke

The probable cause of your S 10 Chevrolet Blazer stalling is a bad fuel pump. The fuel pump might be working fine until it gets warm.

this is normally caused by a worn belt.after the vehicle warms up the belt expand with the heat picking up the slack and stopping the noise.

No, warn engine parts will cause loss of oil pressure as the engine warms up, due to expansion betweeen moving parts. Hot oil is thinner.

because it needs to cool down if it gets too hot

soil warms faster than water.

sticky valve most likely. give it an oil change and throw some lucas oil conditioner in there

Humans pollute the atmosphere, which warms the earth, and the water, making hurricanes more likely, which cause floods.

well...I think that this is possible cause as poplulation increases,they pollute more which warms the ATMOSPHERE. This causes the change of weather.

Worn piston rings could cause a 1995 Thunderbird 4.6 liter to burn a lot of oil after it warms up to normal. You could also be losing oil, rather than burning oil. A worn head gasket could cause you to lose oil.


Copyright ยฉ 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.