Question about 1993 Ford F350

Open Question

93 E-350 Issues

I have a 93 E-350 and was wondering where the front blower motor would be located, and I have a new fuel pump but it wont power up any more. I used the OBDII and got a code for Fuel Pump Secondary Low Voltage?? Any Ideas??

Posted by on

6 Suggested Answers

  • 4369 Answers

SOURCE: 1993 E-350 Fuel pump not powering up.

1994 econoline fuel system electrical

Vehicle Application Escort/Tracer, Crown Victoria/Grand Marquis, Thunderbird/Cougar, Town Car, 5.0L Mustang, Aerostar, Ranger, Explorer, E-Series and Bronco.

  1. The electrical circuit of the Inertia Fuel Shutoff (IFS) switch may vary per engine/vehicle application.
  2. Inertia Fuel Shutoff (IFS) switch with fuel reset light (F-Series and Bronco).
  3. Inertia Fuel Shutoff (IFS) switch with fuel reset light (Town Car).
32b9a82.gif

Fuel Pump Circuit Operation When the ignition is switched to the ON position, it turns the EEC Power Relay on. The EEC Power Relay provides power to the EEC-IV processor and the control side of the fuel pump relay. Power for the fuel pump is supplied through a fuse link or high current fuse attached to the starter solenoid (battery side). From the fuse link or high current fuse, current flow is through the fuel pump relay and Inertia Fuel Shutoff (IFS) switch to the fuel pump. The IFS switch is a safety device used to shut off the fuel pump in the event of a collision. If the IFS switch is "tripped," it must be reset by depressing the white or red button on the top of the switch. The fuel pump relay is controlled by the Powertrain Control Module (PCM).
When the ignition switch is turned to the ON position, the fuel pump will operate. If the ignition switch is not turned to the START position, the PCM will shut the fuel pump off after approximately one second. The PCM will operate the fuel pump when the ignition is in the START position to provide fuel while cranking.
After the engine starts, the PCM will continue to operate the fuel pump unless the engine stops, engine speed drops below 120 rpm, or the IFS switch is "tripped."

System Diagnosis Note: Grounding the FP lead at the DLC will allow the pump to run continuously with the ignition switch on.

ce7b31f.gif

Posted on Feb 17, 2009

  • 3 Answers

SOURCE: 1993 E-350 Fuel pump not powering up.

check the fuel pressure regulator on the fuel rail pull the vac-*** hose off some times they get a hole in the diaphragm and when this happens they will load the intake up with gas and after you get it started  you have to keep giving it more gas to keep running and eventually this can fill the crankcase to the point of wydalock  most ford dealers and other mechanics miss this till it is to late 
very easy to check just pull hose off and start or try to start watch for fuel to come out of the regulator  good luck tlw

Posted on Mar 19, 2009

  • 208 Answers

SOURCE: how do you fix P0231 secondary fuel pump voltage

check your grounds clean and reattach it may have a faulty ground wire

Posted on Jun 22, 2009

juncro
  • 467 Answers

SOURCE: MAP sensor output voltage too low?

poor start, very poor gas millage

Posted on Jul 31, 2009

  • 59 Answers

SOURCE: low oil pressure 93 GMC P/U w/350 motor w/205,000 miles gauge

While engine is running, open the cover where you add oil to engine and see if you see a good flow of oil, if good flow, could be as easy as replacing oil sending sensor. got to realize that if poor maintenance history your engine may not be building enough pressure at iddle to move your hydraulic operated valves, only when you rev it up it will pump enough to run smooth. if running engine too long, you may cause more damage to other engine components such as crankshaft and cam shaft bearings. if you can spare a few bucks, have a good mechanic check your oil pressure with a mechanical gauge. another cheap option is to replace oil pump. last resort if you love your truck as much as we do,replace engine or rebuild it. At 205,000 this is a normal symptom, other than timing chain problems, most engines don't make it that far. hope this helps!

Posted on Mar 01, 2010

bluebirdmate
  • 1190 Answers

SOURCE: my 93 cadillac seville blower

Hello, The power module controls the blower motor. It is located on top of the heater case under the hood towaeds the passenger side. When replacing the power module make sure the seperate ground wire is tight and that it is a good ground.

Posted on Sep 27, 2010

Add Your Answer

Uploading: 0%

my-video-file.mp4

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

×

Loading...
Loading...

Related Questions:

1 Answer

No heat or ac


Depending on the year , make , and model you have, most HVAC systems have a blower motor fan resister, usually located near the blower motor, check for power and ground at the fan resistor plug connector and make sure all connectors are in good shape, and not melted, or you will have to replace the fan resister pig tail as well.

Nov 29, 2015 | AC Cars & Trucks

1 Answer

Why wont it catch when i try to crank it?


Check your Inertia switch. This is a push button reset and can be behind the front kickpanels or on the side of the trunk. It is for safety and sometimes disconnects the fuel pump.

Lack of spark. There is a relay for the EEC and the fuel pump located in the Powerbox.

A scanner can diagnose some of these problems. Scans are free at Autozone, Advance, and Oreilys but your car won't move. But some parts have to get power from the Relays to even record a problem.

You can check for fuel pressure at the test port and borrow a gauge to do it. But having fuel on the test port only shows there is pressure and does not mean the fuel injectors are working. To test the injectors you need a Noid tester or a 12V multi tester.

So at this point you have checked spark, checked fuel pressure, and checked the fuel injectors. There are other issues, but you would need to tear into the motor.

Please rate my info.

Jan 22, 2013 | 1997 Ford Taurus

1 Answer

My 94 Verada just decided to not start. No problems before that just pulled up and when I went to start it up again it turns over but wont run. Any ideas??


Check the fuel pump, when you turn the key on you should hear a low hum from the fuel tank for one second, if not you need a new fuel pump or the fuel pump circuit is defective due to wiring issues or a defective relay.

Nov 01, 2012 | Cars & Trucks

1 Answer

My 2003 buick rendezvous i put a new fuel pump in and still wont start unless i use starting fluid


Possible fuel pump relay or fuse check for 12volts at pump if not suspect power issues if there is power and you can hear it hum injectors not pulsing of security system issues

Aug 07, 2011 | 2003 Buick Rendezvous

1 Answer

Fuses panel described in English


Hope this helps your out. I know the diagram and locator is a bit blurry but hopefully it gets what you need.
Drivers kick panel:
Front wiper 20A - Front wiper system Cigar 15A- Cigarette lighter Audio 10A- Audio, remote control mirror Air Bag 10A -Air bag diagnostics Stop lights- 15A -Rear brake light, high mounted stop light ECU B+ 10A - Shift lock actuator, transaxle controle module, radio, engine control module Room 10A - Interior light, clock, ignition key reminder, rear cargo area light switch ABS 10A- Anti lock brake system control unit ECU IG1 10A - Transaxle control module, shift lock actuator, ABS control unit, DRL unit Meter 10A - Instrument panel, back-up switch, electronics time control module, inhibit switch Turn signal 10A- Hazard switch ,front and rear turn lights, turn indicator IGN1 20A - Ignition switch ABS 30A- ABS pump motor TNS 30A- Tail light, license plate light COOL/FAN 30A- Cooling fan Cond/Fan 20A- A/C condenser fan Starter 15A- Start signal , Fuel pump Blower 25A- Blower Motor SR/ACC 10A - Ignition switch Hazard 15A - Hazard and turn signal light D/Lock 25A- Door locks ABS 30A - Anti lock brake system control P/W RH 20A- Power window motor right hand P/W LH 20A- Power window motor left hand IGN2 25A- Ignition Switch
Engine compartment :
Head 25A- headlights IG 2 30A- Ignition switch IG coil 15A -Ignition coil, condenser,generator IC regulator, diagnostic connector. O2 down 10A- Rear O2 sensor O2 up 10A- Front O2 sensor Fuel pump 10A -Fuel pump unit Injector 10A -Fuel injector ,camshaft positioning sensor, purge solenoid valve, EVAP, IAC actuator, Mass Airflow sensor, EGR stepper motor. fuel pump relay coil, vehicle speed sensor. A/Con 10A - A/C compressor controls, cooling fan BTN 30A- Brake light , high mounted stop light. Tail light LH 10A- License plate light, tail light , rear combo light, instrument panel illumination Tail light RH 10A-License plate light, tail light , rear combo light, instrument panel illumination Head low 15A- Headlight Head Hi 15A-Headlight Horn 15A- Horn jlmacman.png jlmacman_0.png

Inside kick panel jlmacman_1.png

Mar 07, 2011 | 1995 Kia Sephia

1 Answer

2004 Ford Freestar Front Blower Motor Relay Location? Not in underhood or interior fuse boxes. Both front blower motor fuses are OK (inside and underhood fuse boxes). No power to fan control switch. Switch...


I have the same Question .....WHERE is the front blower relay located? Not the resistor or the speed controller.....but the front blower relay!

Jul 24, 2010 | 2004 Ford Freestar

1 Answer

2004 Grand Caravan Front blower will not come on.


Check owners manual for location of heater blower motor front,check with a test light,if it's good locate blower motor under glove box and test the two wires for power when switch is turned on,if power is present motor needs changed.if no power check blower motor resister.

Nov 22, 2009 | 2004 Dodge Grand Caravan

1 Answer

I need a diagram of the underhood fuse block for my 2002 ford explorer. I don't have an owners manual.


Fuse/Relay Location*Fuse Amp Rating* Description
1 60A** PJB 2 30A** BSM 3 20A** Not used (Spare)
4 30A** Rear defrost 5 40A** ABS (pump)
6 60A** Delayed accessory circuit breaker
7 20A** Power point #2 8 — Not used 9 20A** Power point #1
10 30A** ABS module (valves) 11 40A** PTEC
12 50A** Ignition relay/Starter relay
13 40A** Trailer tow battery, Trailer tow turn signals
14 10A* Foglamps 15 15A* Memory (KAPWR)
16 15A* Headlamp switch 17 20A* 4x4 (v-batt 2)
18 20A* 4x4 (v-batt 1) 19 20A** High beam relay
20 30A** Electric brake 21 30A** Front wiper motor
22 20A** Autolamp; Low beam 23 30A** Ignition switch
24 20A* Rear Fog Lamps 25 – Not used
26 15A* Fuel pump 27 20A* Trailer tow lamps
28 20A* Horn relay 29 60A** PJB 30 20A** Rear wiper motor
31 — Not used 32 — Not used 33 30A** Auxiliary blower motor 34 30A** Power seats, Adjustable pedals
35 20A** Rear power point 36 40A** Blower motor
37 15A* A/C clutch relay/Transmission
be7a74c.jpg

Nov 15, 2009 | 2002 Ford Explorer

Not finding what you are looking for?
1993 Ford F350 Logo

Related Topics:

55 people viewed this question

Ask a Question

Usually answered in minutes!

Top Ford Experts

yadayada
yadayada

Level 3 Expert

60792 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers

Fordexpert

Level 3 Expert

5331 Answers

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

Answer questions

Manuals & User Guides

Loading...