Question about Cars & Trucks

2 Answers

I have a 2003 ford ranger 2.3 5 speed that will not start. Has low fuel pressure at the pump so I replaced it and still low pressure

Posted by on

2 Answers

Did you check voltage at the pump
or anywhere in the fuel circuit?

Did you check Amps in pump circuit?

Did you check the battery & alternator

Posted on Dec 03, 2014

Testimonial: "Getting almost 12 volts on one side but the other only goes to just over 9 while cranking on the motor. I don't know exactly what the specs are for this particular vehicle"

  • gettoredneck Dec 03, 2014

    I know the battery and alternator are good but don't have tools to check voltage. Pump kicks on but very low pressure


  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Expert
  • 279 Answers

Did you replace the "sock" pre-filter on the pump? This is the white plastic mesh screen which attaches to the inlet end of the pump. These clog up and prevent the pump from drawing fuel in. Did you change the fuel filter? It may be clogged.
Also, in the past 5 years, most aftermarket parts are made in China, which means they are JUNK. Lots of quality control problems with brand new aftermarket parts now.

Posted on Dec 03, 2014

  • gettoredneck Dec 03, 2014

    I replaced the whole unit and the relay. Filter is good also. I figure its electrical but don't really know where to start on that end

  • Charlie Dec 03, 2014

    As Teddy B mentioned earlier, make sure you have a good ground and battery voltage at the wires going into the pump. Another cause of low fuel pressure is a bad fuel pressure regulator.


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Why is my 2003 ranger 3.0l bucking /cuts out when accelerateING at freeway speed

it's either fuel pressure dropping off, have fuel filter? has it been changed ever? should be running 50-60 psi fuel pressure and does it drop off when engine is shut off?. is truck hard to start? another issue could be a bad fuel pump inertia cut off switch located passenger side above feet on firewall. if all good how many miles on truck? if over 100k when were plugs done last? it could be as simple as that.

May 27, 2016 | 2003 Ford Ranger Regular Cab

1 Answer

What are the top most common causes for the injectors on a 2001 ford ranger to not fire/mis-fire

1. Fuel (ethanol) clogging
2. Sensor (crankshaft or camshaft) mis-communication...bad sensor or signal to computer
3. Electrical harness (age cracking, corrosion)
4. Fuel filter clogged, not sending proper fuel pressure
5. Fuel pressure too low (fuel pump)

Not necessarily in order...but start with fuel, move to electrical inspection, then sensor...unless you have a CEL code to start with first.

Apr 08, 2015 | 2001 Ford Ranger

1 Answer

A guy just told me that there is a internal fuel pump and a external fuel pump on my 1988 ford ranger xlt 2.9 4x4. is this true?

In some applications, yes there is two.

On the 2.3L and the 2.9L engines to model year 1988 the electric fuel pump system used on these EFI engines consisted of two fuel pumps: a low pressure boost pump mounted in the fuel tank, and a high pressure fuel pump mounted on the frame rail.
The low pressure electric fuel pump is located in the fuel tank and is a part of the fuel gauge sending unit.

May 07, 2011 | 1988 Ford Ranger

1 Answer

1988 Ford Ranger Fuel Injected 2.9L V-6 4x4 Stick shift It turns over but won't start, it has spark and fuel and the exhaust is not plugged, i replaced the O2 sensor and a control module on the back of...

Check the compression? You replaced all the items to make it run. remove the air filter and check? If compression is below 90 then bad rings or valves. Check the fuel pressure. to see if you have bad rings with low compresion spray oil in cylinders, if pressure goes up it's the rings. If nto it's the valves.Try these and let me know.

Nov 10, 2010 | 1988 Ford Ranger

1 Answer

My 1986 ford ranger 2.9 v6 engineafter driving for a while it sputters from gas and stalls.does it have (2) fuel pumps? 1 in the outside frame and 1 in the tank?

Yes there are two (2) fuel pumps on these pickups, one low pressure one in the tank that gets the fuel to the high pressure pump which is in the inside of the drivers frame rail beneath the cab towards the front of the cab.

Jul 01, 2010 | 1987 Ford Ranger

1 Answer

I have a 87 ford ranger and i put a fuel pump in the tank and drove about a mile and died.Has gas to the engine. will only run if sprayed down the throttle body.Its a 2.9, any thoughts on problem. Thank

there are 2 fuel pumps, a low pressure in the tank and a high pressure on the frame rail. the high pressure pump is probably bad. Check your relay and inertia/cut off switch first.

Apr 11, 2010 | 1987 Ford Ranger

2 Answers

Are there a high and a low pressure fuel pump on the 1987 ford ranger xlt 2.9 liter v-6?

Yes (low pressure) one sit on the inner frame rail on the driver side under the truck by drivers door.High pressure is in the gas tank, if you are going to replace fuel pump, don't forget fuel filter.

Dec 23, 2009 | 1987 Ford Ranger

1 Answer

Fuel problem

on the negitive battery cable there is also a small black wire this is you fuel ground make sure this had a good connection the the negitive side of the battery.

Sep 16, 2008 | 2006 Ford Ranger

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

53 people viewed this question

Ask a Question

Usually answered in minutes!

Top Cars & Trucks Experts


Level 3 Expert

75822 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22156 Answers

Randy Ohler

Level 3 Expert

14585 Answers

Are you a Car and Truck Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides