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How do you know if the fuel pump relay is bad?

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βˆ™ 2011-09-13 05:00:41

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1995 Honda civic ex 1.6

2011-09-13 05:00:41
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Q: How do you know if the fuel pump relay is bad?
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How do I know if I have a bad Fuel pump or fuel relay?

Bypass the relay and if the pump works the relay is bad.


If fuel pump relay is bad will fuel pump still work?

If the relay is bad, then the fuel pump will not work.


How do you know if you need a fuel pump relay for your 1999 chevorlet blazor?

Swap the fuel pump relay with another like relay in the fuse/relay center. If the problem with the fuel pump goes away, the relay was bad. If not, knowing GM fuel pumps, the fuel pump is the problem.


What would keep the Fuel pump relay from working the pump fuel?

Bad relay, No power to relay, Wiring from relay to pump and our most likely problem is, the fuel pump is bad. changed it already


What are the symptoms of a bad fuel pump relay?

The main relay and the fuel pump relay are the same. Take the fuel pump relay and swap it with the main relay and see if that will help you....


What happens if fuel relay goes bad?

If the fuel pump relay is defective the fuel pump will not run.


How do you know if your fuel pump is bad on a 1999 Durango?

If there is no fuel pressure and the fuel pump circuit, fuse and relay checks okay.


What if fuel shut off switch is not tripped?

If your fuel pump is not running , it could also be the fuse for the fuel pump relay , the fuel pump relay , a bad electrical connection , or a bad fuel pump


How do you know if the fuel pump relay is going bad in a 1998 for ranger?

Swap the relay with a another like relay.


Will a fuel pump relay stop fuel pump from working?

If the fuel pump relay switch is bad then the fuel pump will not be turned on. Think of the relay like a light switch. If the switch has a bad connection then the light doesnt work.


How can you tell if a fuel pump is bad or if it is the fuel pump relay switch?

You can swap relays within the relay center with another relay that matches, but in most cases it is seldom the relay at fault, it is probably a bad fuel pump.


Can the fuel pump relay be bad if pump works?

If the pump is running the relay is good.


1987 ford e350 fuel pump relay keeps failing why?

bad fuel pump bad fuel pump


How do you know when the main relay on a 1994 acura legend goes bad?

If the main relay goes bad the fuel pump will not function. This has caused many a person to replace the fuel pump only to find out later that the culprit was the Main Relay and not the fuel pump at all. If you suspect the main relay is bad just replace it to be sure.


How do you know when fuel pump relay is bad?

Swap it with a known good one.


Car not getting fuel?

Bad fuel pump, blown fuel pump fuse, bad fuel pump relay, or clogged filter.


How do you test the fuel pump relay on a 92 dodge shadow?

I believe that you can switch the Horn Relay with the Fuel Pump Relay and if the horn no longer works and the Fuel Pump does then that relay went bad... try that, its a sure fire way to know whats wrong... If it checks out good it might be a Defective Fuel Pump.


How can you tell if the fuel relay is bad?

Swap the fuel pump relay with another like relay.


Will the fuel pump relay stop truck from starting?

Yes, along with many other causes a bad fuel pump relay can cause a no start. The fuel pump relay provides power to the fuel pump.


Why fuel pump runs constantly in 1997 Tahoe?

BAD fuel pump relay.


Where is the relay switch for the fuel pump on a 92 camaro v6 rs?

The fuel pump relay is in the fuel pump itself, Therefore when your relay goes bad or you get a 5-4 trouble code you must replace the fuel pump.


How do you tell if the fuel pump is bad or if it is the fuel pump relay?

If you turn on the ignition key without starting the engine you should hear the fuel pump run for a few seconds. If you do not check the fuel pump fuse and replace the relay before proceeding. If the fuse is good and the relay is good then you know the pump is more than likely defective.


Will a bad fuel relay stop the starter from working?

No, it shouldn't have anything to do with the starter. A bad fuel relay will stop the fuel pump from working.


Put new pump in a 88 ranger checked inertia switch still no fuel?

bad fuse for fuel pump relay bad fuel pump relay bad electrical connection clogged fuel filter anybody else have any suggestions ?


New fuel pump wont work?

Make sure you have voltage at the pump. If you do then the new pump is defective. If not, the fuse is blown or the fuel pump relay is bad. Where is relay?