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Fuel pump not working tell me which relay controls the pump, pump still ok.

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Drop the lower dash panel below the steering column. The fuel pump relay is marked "372".

Posted on Jul 03, 2011

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Posted on Jan 02, 2017

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1 Answer

Will fuel pump relay cause the starter not to work on 2001 Ford Taurus SEL and what is a PCM


ecm/pcm is the vehicles computer. (engine/powertrain control module)

The vehicles computer uses relays to send and recieve signals. To communicate with varuous parts of the car.
If the fuel pump relay is faulty, the ECM cannot tell the fuel pump when to kickon.

An eazy check to see if fuel pump is kicking on is to remove the fuel cap,and have a helper turn the ignition to on, you will hear the fuel pump turn on. If not the fuel pump relay is one place to check.
this relay will not effect the starter.
Starter needs atleast 10v supplied from the battery work properly.

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Is there a fuse or shut off for the fuel pump, can't get it to pump fuel to the engine?


In this diagram, the asd relay supplies voltage to fuel pump. See the red wire, hot all the time, protected by fusible link. Use a test lite check for voltage on that wire? If it is hot, unplug the asd relay use a jumper wire on load side of relay, the load side is that line with arrowhead. Use a jumper wire between red and dark green wire terminals, if the pump runs, hopefully it is ok. The problem would be on control side of relay, right side in picture. The control side of relay needs both voltage and ground.
Any applicable trouble codes?
asd relay-t0ipf1pjp5q14wy0jhyzzx1m-3-0.jpg

Apr 09, 2017 | Cars & Trucks

1 Answer

Where is the fuel pump relay on 1992 Toyota 4 runner


engine bay cluster
the cover has the legend

if fuel relay is ok ...could be this relay
Circuit Opening Relay
Circuit opening relay controls fuel pump circuit. The Engine Control Module (ECM) receives an input signal at STA terminal when engine is cranking. Starter signal is also applied to terminal STA of circuit opening relay.
Starter signal energizes circuit opening relay during cranking. Circuit opening relay then provides voltage to fuel pump or fuel pump relay.
Fuel pump switch in airflow meter provides ground for circuit opening relay.
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No power to fuel pump


Before you decide the fuel pump has no power understand how it works, The fuel pump only receives power when the engine is cranking over and when the key is first turned to run it will run for about 1 second and then the engine control computer shuts the relay off. So based on this information is the fuel pump getting power?

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Car is turning over but not getting fuel ideas anyone thanks


There is not much information for a good answer.
  1. Fuel filter clogged
  2. fuel pump not working [fuse,bad pump,broken wire etc]
  3. computer not telling the pump or injectors to work [should set a code]
  4. dirty injectors

Feb 09, 2015 | Cars & Trucks

1 Answer

Test a fuel pump relay


this site will tell you how to test the fuel pump relay, .ehow.com/how_4826334_check-fuel-pump-relay.html Hope this helps! another way to check is to, put finger on relay. have someone recycle the key. if its ok you will feel a click and power is going to the fuel pump. Good-Day!

Jun 21, 2014 | 1992 Honda Accord

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Where is fuse and relay on the fuel pump a 2005 kia sedona and is there a fuel pump restart buttom


Look in the fuse box in the engine bay near the battery for (Right Hand Drive models.) Look on the inside of the cover and you will see a 'map' of all the fuses and relays. Align the map to compare with the arrangement of fuses and relays in the box to make it easier. No fuel pump restart button. This guide is for petrol(gasoline) model.

Jun 11, 2014 | 2005 Kia Sedona LX

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No voltage to the fuel pump. Vehicle stalled and would not start, no fuel pressure and could not here the pump when I turned the key on. Removed pump, checked and the pump is OK. Checked and had no...


Here is a picture of where the relay is. this is at the right fender area. Also, the fuse pump relay gets its main power from an orange fuse link, which is located at the starter relay....there is no "fuse" for the fuel pump...just fuse links. I would check the condition of all the fuse links at the starter relay. Replace any burned links with fusible link wire ONLY . You will also need to find out what caused the link to burn if this is the problem. Please also review this article: Where's The Fuse?


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Mar 05, 2011 | 1989 Jeep Cherokee

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I have a 1999 gmc sierra 4wheel drive with no power to my fuel pump, relay only has power on one teminal. it doesnt have any power to any other terminals when priming for two to three seconds when the key...


First, check the fuse ECM B in the engine compartment relay box. If it looks good, swap it with another 20 amp fuse just for kicks. Try the pump again. If there is another relay similar to the fuel pump relay, swap those as well. You don't want to replace the PCM unless you have to. It is rarely the cause of this type of issue. I will need your engine size to tell you where your computer is, please.

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Fuel pump relay switch not working/ fuel pump emergency switch?


weak fuel pump,or cloged filter,or bad fuel pressure regulator!!!

Feb 24, 2010 | 1992 Mercury Cougar

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