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Fuel pump fuse blows every time i try to start it

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  • Cars & Trucks Master
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Check fuel pump for funtionality by connecting directly to battery power. If it is bad it will not run or give a big spark when you connect. Replace pump. If it is fine then wiring from fuse to pump is shorting to ground

Posted on Nov 06, 2012

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Posted on Jan 02, 2017

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shaggyrat
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SOURCE: E.E.C fuse keeps blowing in 1991 Ford Explorer

if you replaced fuel pump i would look at backward wiring when replaced and i would start at the source of work if your vehicle was working fine before replacement then 9 out of 10 it will be your fuel pump wireing

sometimes when putting wireing back together the connectors have the missing clip and in turn you can turn the wireing in both directions now where positive is touching the ground on both sides of connector kris kross problem check your work this is crucial use a test light to find the right wires where they go

Posted on May 26, 2008

ndguy2481
  • 251 Answers

SOURCE: fuel pump fuse keeps blowing and truck wont start

yes u should change the fuel pump

Posted on Dec 01, 2008

txkjun
  • 409 Answers

SOURCE: fuel pump fuse keeps blowing

You have a wire shorted to ground. Pull it back down and check all the wires.

Posted on Jan 12, 2009

emissionwiz
  • 76649 Answers

SOURCE: Fuel pump blowing fuses

replace the fuel pump relay, it is burned closed from the shorted fuel pump.

Posted on Apr 13, 2009

  • 5537 Answers

SOURCE: 2000 Grand Voyager blowing the ignition fuse

Was the old fuel pump bad? It might be worth the cost to replace the ignition switch. The wires to the fuel pump would be a second guess if the old pump was bad and burnt the wires before the fuse went. When you eliminated the fuel pump you also eliminated the wires to the pump and it started. Then you replaced the pump, but not the wires. The ignition switch is the other end of the circuit.

Posted on Jun 08, 2009

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1 Answer

Fuse s under hood keeps blowing. It is the inj/coil fuse


Try jumping the starter with the key on. If it doesn't blow. Check the start wire for chafing and grounding out. You can pull the starter relay, Try to start it, see if it blows,yes, it is between the fuse panel and fuel pump. no. Put it in and pull the fuel pump relay. Start it. If it blows, then it is some where between the fuse panel and starter. If you have one of those intelligent fuse panels, it could be that also. You can have the codes read for it. But it takes a scanner, not a code reader.

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My pcm fuse blows every time i turn on the switch but if a remove my fuel pump relay switch the pcm fuse does not blow 03 alvalanche


fuel pump is bad,your relay will be also from trying to start pump.there is an outside chance your relay is bad,easier to change that first

Mar 28, 2014 | 1998 Chevrolet S-10 Pickup

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Fuel pump fuse blow when I turn the ignition on and cranks but no start, why?


Unplug the connector at the fuel pump. Install a new fuel pump fuse. Try to start the car. Does the fuse blow? If not that the problem is probably a bad fuel pump. If the fuse does blow with the pump disconnected than you need to look for a short in the power supply to the fuel pump.

Sep 08, 2013 | 2001 Saturn L-Series

1 Answer

Fuel Pump Fuse Blows. It first started when I turned a corner. Changed fuel pump. Idles fine now, step on gas, still runs fine. When I go to move the truck, then fuel pump fuse blows. Especially when I try...


Open the hood. Those vehicles have a buss bar on the inside of the drivers side front fender. ( a buss bar is a strip of plastic, housing locations for wiring connectors running to various components on your car. They are secured to each post by a phillips head screw.) One of those locations is the "hot" for your fuel pump. If by chance you have an exposed section of that wire touching metal somewhere, it will blow the fuse. maybe someone has wired something else to it...causing it to blow.

theroadisalover

Try to post back and let me know If I helped you solve your problem. It will help me with my rating....! Thanks

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When this happens the fuel pump most of the time has a short in it.

May 25, 2010 | Chevrolet 1500 Cars & Trucks

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Will not start and checked fuel pump no power to fuel pump i also have blown fuse for ecmb that blows as soon as i replace it


ECM B fuse supplies a constant 12v hot at all times to the VCM/PCM and to the fuel pump relay. The fuse is blowing telling you that there is a short to ground somewhere. Try this, take the fuel pump relay out and put a new fuse in. If it doesn't blow put the relay back in and if it blows then try a new relay. The relay may be shorted to ground internaly. Other wise you'll have to trace the wires to the VCM and the pump relay to look for a chafed wire that's contacting metal. The wire coming from the ECM B fuse is orange and has a splice in it going to the pump relay and the VCM/PCM.
Hope this helps.....Andrew

Mar 28, 2010 | 1999 Chevrolet S-10 Pickup

1 Answer

Efi fuse short in a 1993 sr5 pickup. put the fuse in and it'll start sometimes and then blow the fuse right away down the road or it'll just blow the fuse right when i turn it on...


may be the fuel pump short out.
unplug the fuel pump connector to see if the fuse still blow.
if the fuse is not blown when you try to start then the fuel pump is bad

Mar 07, 2010 | 1993 Toyota Pickup

1 Answer

2000 Grand Voyager blowing the ignition fuse


Was the old fuel pump bad? It might be worth the cost to replace the ignition switch. The wires to the fuel pump would be a second guess if the old pump was bad and burnt the wires before the fuse went. When you eliminated the fuel pump you also eliminated the wires to the pump and it started. Then you replaced the pump, but not the wires. The ignition switch is the other end of the circuit.

Jun 08, 2009 | 2000 Chrysler Grand Voyager

1 Answer

30a fuse fule system keeps blowing when starting car


Bad Fuel pump or electrical short in fuel pump wiring harness. Good Luck get back to me if you need help.

Dec 16, 2008 | 1983 Toyota Corolla Deluxe

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