Question about 1991 Ford Ranger Supercab

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Can you check the fuel relay directly?How do I know if it is the fuel relay since the pump won't work?

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Take out the relay with a 9 volt batery connect across the spades if it clicks the relay is ok if not its probably bad

Posted on Dec 10, 2009

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2 Answers

Where is the fuel pump relay located in this vehicle.


fuel pump fuse is fuse no35 30A
or fuse no 40 20A
fuel pump relay is incorperated in the fuse box which is located behind glovebox

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why not bypass the fuel pump relay with a jumper wire / fuse and see if it will start that way

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Need wiring diagrams to do that kind of
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Audi A6 1996 V6 2.6 Petrol - Won't start and fuel pump is not coming on either.


try connecting pump direct to battery to see if pump works if it dose then a fuse or relay check all wire connections

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Bogging


Make sure the fuel pump is kicking on it won't hurt to check the relay but I have never seen one bad yet it could be the plug on the plug on the end of the wires that plugs on the pump this run hot and it burns the ends alot several fuel pumps are replaced because of this make sure you have power at the pump if you can't hear it run it will only stay powered for a few seconds and then kick off. so you might need someone to turn it on while someone checks the power.

Dec 29, 2011 | 2000 Pontiac Grand Am GT

1 Answer

My 99 s10 has no check engine light even when just turning the key, won't start and the fuel pump wont turn on. Changed ECM, Body control module, and ignition switch. I have checked all Fuses and...


IF FUEL PUMP RELAY IS NOT WORKING THE COMPUTER IS NOT READDING IT THEIR IS NO BYPASSING THE COMPUTER(ie) DOT CODE on that model vehical THE MASS AIR SENSOR REGULATES 90% OF HOW THE IGNITION TIMING RUNS I USED TO GET AWAY WITH IT ON OLDER MODELS NOT ANY MORE!?

Aug 30, 2011 | Chevrolet S 10 Cars & Trucks

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97 chevy blazer w/ 4.3 won't start unless i pour full directly into it....what is causing this. was driving and it just stalled ...fires but won't turn over completely


if you can put fuel in throttle body and it runs. then it is not getting any fuel. check your fuel pump fuse and the relay, if ok, then you may have a bad fuel pump or a plugged up fuel filter. check filter and fuses first. good-day !!

Jul 18, 2011 | 1997 Chevrolet Blazer

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We replaced the engine on my 1990 Canmaro but now the fuel pump won't work. We connected a wire directly to the fuel pum and it works and I also checked the relay and there is no current going to it....


the pressure regulator is not reporting to the ECM to energize the relay for the fuel pump
by having a direct power to the pump , eventually the fuel pressure will overcome the injectors and they will put out more fuel

Dec 31, 2017 | 1990 Chevrolet Camaro

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2004 z71 tahoe when the gas gauge is at a quarter of a tank it won't crank. It acts like it is empty with gas.


Check your fuel filter if it needs replacement. Empty it out then connect it back. Try to start it again. Inspect the fuel filter if it filled with gasoline. Check if there is noise at the fuel tank to check if the pump is working. If it did not, inspect the fuse for your fuel pump and the relay. If both are good you may connect the fuel pump directly to the battery to see if it works. It may be a bad wiring.

May 08, 2011 | 2004 Chevrolet Tahoe

1 Answer

94 Sundance


you know the relay works, you checked it, make sure you have power going to the relay and power at the pump

Aug 21, 2008 | 1994 Plymouth Sundance

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