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Fuel pump relay?

Tiny
MOKI
  • MEMBER
  • 2005 NISSAN FRONTIER
Cant find fuel pump relay on frontier, can you tell me where it is located?
Saturday, November 8th, 2008 AT 1:11 AM

18 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
The fuel pump relay should be located in the IPDM power distribution box in the engine compartment. If you cant find it is because the fuel pump relay is built into the IPDM.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.
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Tuesday, June 6th, 2017 AT 6:42 PM
Tiny
JW51
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  • 1 POST
Under dash above parking brake
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Tuesday, June 6th, 2017 AT 6:43 PM (Merged)
Tiny
HOME4970
  • MEMBER
  • 1 POST
  • 2000 NISSAN FRONTIER
Electrical problem
2000 Nissan Frontier 6 cyl Four Wheel Drive Manual

where can I find the fuel pump relay
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Tuesday, June 6th, 2017 AT 6:43 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Fuel Pump Relay - on some models all the relays are located under the hood of the vehicle


https://www.2carpros.com/forum/automotive_pictures/12900_fp_1.gif

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Tuesday, June 6th, 2017 AT 6:43 PM (Merged)
Tiny
RNICHOLLS
  • MEMBER
  • 1 POST
  • 2002 NISSAN FRONTIER
Electrical problem
2002 Nissan Frontier V6 Two Wheel Drive Manual 60000 miles

I am having issues with my fuel pump on my 2002 nissan frontier. I am trying to toubleshoot it but I am not sure what relays are in the system that control the pump or what specs the pump should read when I check it with a multi meter. A wiring diagram would be great but I am having problems locating one. Can someone help?
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Tuesday, July 28th, 2020 AT 12:03 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Here's how the fuel system is wired.

Inspect and test fuel pump relay at center of dash, also the No.1 fuse 15amp at fuse block at left side of dash behind the cover.


https://www.2carpros.com/forum/automotive_pictures/12900_fuse_1.jpg



www.eautorepair.net
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Tuesday, July 28th, 2020 AT 12:03 PM (Merged)
Tiny
RASTAH MAN
  • MEMBER
  • 1 POST
  • 2001 NISSAN FRONTIER
  • 2.0L
  • V6
  • 2WD
  • MANUAL
  • 300,000 MILES
Changed the fuel pump, but there was a shortage in the electricity, found out it was the relay, cant find it. The next day it was off again. And still couldn't find where the gas is being blocked, the gas wont cone up to the injectors. I didn't change the gas filter. But I changed the fuel pump filter. Where is the relay?
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Tuesday, July 28th, 2020 AT 12:03 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The fuel pump relay is behind the left side of the dash here is a guide to help test it with the fuel pump relay.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, July 28th, 2020 AT 12:03 PM (Merged)
Tiny
MINDYLEERAMIREZ
  • MEMBER
  • 1 POST
  • 2000 NISSAN FRONTIER
  • 83,000 MILES
No spark, juice to fuel pump or relay fuse
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Tuesday, July 28th, 2020 AT 12:04 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Test all fuses with a test light to verify power.

Od for no spark and fuel pump. Could be a fusible link fried from too much draw on the pump.

Use a pressure tester to confirm fuel pressure

Roy
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Tuesday, July 28th, 2020 AT 12:04 PM (Merged)
Tiny
RICKY41
  • MEMBER
  • 2 POSTS
  • 2000 NISSAN FRONTIER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 117,867 MILES
Wher is the fuel pump relay at.
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Tuesday, July 28th, 2020 AT 12:04 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi ricky41,

Thank you for the donation.

The fuel pump relay is located behind the instrument panel ( underdash) above the parking brake lever.

Sorry I do not have any diagrams to show you the exact location.
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Tuesday, July 28th, 2020 AT 12:04 PM (Merged)
Tiny
MYLESABRE
  • MEMBER
  • 4 POSTS
  • 2000 NISSAN FRONTIER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 216,000 MILES
I have a 2000 Nissan Frontier 2.4 L, 2WD, with 216,000 miles. I just replaced the waterpump, drove about 500 miles, engine died, rpm's went crazy. I pulled over it would still turn over, so I thought I may have no compression, my timing chain went out, or I cracked a block. Took it had the engine rebuilt (wow!) When they went to start it, it was not getting fuel. I am thinking that may have been the original problem. Is there a relay switch, how do you know if the relay switch is bad, or the fuel pump is bad. It already cost $5k for the rebuild, due to having the heater core, motor and transmission mounts, changed. I am wondering the average cost if it is determined to be the fuel pump, versus the relay. Thanks, for any help.61 year old grandma that works on the cars!
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Tuesday, July 28th, 2020 AT 12:04 PM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Why wasn't any diagnostics performed before the engine was rebuilt?

Fuel pump is powered by relay behind left side of dash.

You can test the fuel pump by appplying direct battery voltage to the positive terminal of the fuel pump and grounding the negative. If fuel pump works it is ok.

Test the fuel pump relay for battery voltage at the White/Blue wire when ignition is turned on ( 2 secnds ) or while cranking the engine.
If voltage is available, the relay is good.
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Tuesday, July 28th, 2020 AT 12:04 PM (Merged)
Tiny
DONALD CARPENTER
  • MEMBER
  • 1 POST
  • 1999 NISSAN FRONTIER
  • 1.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
I cannot locate the fuel pump relay.
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Tuesday, July 28th, 2020 AT 12:04 PM (Merged)
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi,

You listed this as a 1.4L. I only show a 2.4L as an option. I am not sure it matters with this relay because I suspect it is in the same place for all configurations.

Let me know if you need more info. Thanks
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Tuesday, July 28th, 2020 AT 12:04 PM (Merged)
Tiny
NECJR
  • MEMBER
  • 1 POST
  • 1999 NISSAN FRONTIER
Where is the fuel relay located on the above vehicle?
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Tuesday, July 28th, 2020 AT 12:05 PM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

The relay is behind the left side of the dash here is a guide to help you test it with the location of the fuel pump relay below.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, July 28th, 2020 AT 12:05 PM (Merged)

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