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Where is the fuel pump located?

When the temp outside gets below 40, my car won't start without pumping the gas pedal while cranking the engine. It dies once or twice and then it'll stay running. I pump it four times when its over 40 and it stays running the first time i turn it on.

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  • Cars & Trucks Master
  • 3,228 Answers

What is your year--make--model--engine size? On a cold engine, you can try cycling the key on and off several times before you crank it, see if it helps? By doing that, your priming the fuel system.

Usually electric fuel pumps are in the gas tank, but, without year--make--model, I can't look up any info.

Posted on Nov 23, 2014

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Posted on Jan 02, 2017

maklean
  • 1665 Answers

SOURCE: Fuel Problems

check for air inlet at carburettor leaks.

Posted on Jul 14, 2008

  • 2 Answers

SOURCE: car has been sitting for awhile--gas tank was less

MASS AIR FLOW OR MAP SENSER

Posted on Mar 04, 2009

localwonder
  • 6784 Answers

SOURCE: fuel pump location and replacement

You are looking for the constant control relay module- ( CCRM ) see below. The pump will be located inside the fuel tank.Most of the time , its the pump and not the relay but, it wouldn't hurt to check the relay out. Teh relay is housed in the CCRM. Its located behind the engine coolant reservoir.


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Posted on Mar 20, 2009

Louie_3006
  • 79 Answers

SOURCE: 1997 Neon dies, starts after electric fuel pump relay swapped

Hello, I would assume this is your fuel pump inside your tank. I would first however do some basics like a general tuneup. For starters I would replace your spark plugs and wires, rotary cap and button and check your fuses. Run some injector cleaner through your system. You know quick simple cheap things before you get to the fuel pump inside the gas tank which can be kinda expensive. The warm up then dies can be caused by, "blownout or fouled," spark plugs. I hope this gives you a general direction in which to go. A sidenote is that coil packs do not normally run an igntion code and I for one do not like them becuase they are expensive.

Posted on May 20, 2009

venexcsd
  • 1185 Answers

SOURCE: fuel pump stays running after car is turned off. battery stays dead have to get jumped to start car.

The only way the pump will run is if it has a live 12v dc supply to one side and an earth return to the other.

Most cars have the earth side of the pump grounded down to the chassis so I would go for the fact that you have a short on the loom or a faulty ignition barrel.

An auto electrician would isolate the pump wiring to see where the feed was coming from then repair the fault

Posted on May 25, 2009

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In the am my engine will crank but wont start until i pump the gas peddel 20 times then it starts, and will start everytime all day next morning wont star In the am its like it isnt getting gas??


Pumping the gas pedal on a fuel injected car doesn't really do anything.
However, cranking the engine for an extended period of time could "pump up" the fuel pressure.
You should have about 35psi in the fuel line when you first crank the engine. If the pressure is low, it could take 30-60 seconds to build up that pressure to get the engine to start. Min pressure is around 35-40psi. The pump in the tank could be leaking pressure back into the tank overnight, or the pump relay could be faulty.

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No power to fuel pump on 96 ford explorer


Check the fuel pump relay. It's located in the relay box under the hood on the drivers side.

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2001 T&C engine flooded why did I go thru 1/4 tank of gas


Pumping the gas pedal and turning the key on and off would not have any affect on the problem. And the fuel pump runs as long as you are cranking the engine, the fuel pressure regulator allows the extra pressure back into the tank.
The excess fuel came thru the injectors or the pressure regulator and probably would have even if you had just turned the key and nothing else.
The injectors are turned on by the computer based on several things including coolant temp and air temp. The fuel mixture should have been very rich if the air temp was 35 below zero, but it should have leaned out once the engine warmed up. The longer you crank an engine in any weather and it does not start, the more fuel is dumped into the cylinders.
Its possible you had one or more injectors that were stuck - froze open when you first cranked the engine.
I hope you did not damage the catalytic converter or the O2 sensors.

Feb 08, 2013 | Cars & Trucks

1 Answer

Won`t start when cold


No such thing on your car.
The temp sensor tells the computer what the engine coolant temp is.
If it were faulty you would get a check engine light.
I would have the fuel pressure checked before and after you crank the engine. The pump relay provides power to the pump when you turn the key on to recover some of the lost fuel pressure after the car sits. The one way valve in the pump is supposed to prevent the pressure from dropping.
If the fuel pressure drops to zero it could take some time to crank the engine enough to get it back up.

Aug 17, 2012 | Lincoln LS Cars & Trucks

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My 95 lincoln town car will be fine and then all of a sudden I can't get it to crank. I have changed the fuel pump, the fuel filter, I have sparks because I got shocked. was taught a trick of pushing...


check all your rounds on the body, behind kick panels, and in engine compartment. The relays you hear clicking are the power relay whcih turns your engine computer on. The other relay is the fuel pump relay, which is turned on by the engine computer. start there, report back.

PS. When you press the gas pedal to the floor during cranking, it shuts off the fuel supply to clear a flooded engine.

Sep 08, 2011 | 1995 Lincoln Town Car

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1989 chevy 2500 truck v-8.won't start when temp is below 81 outside takes about three tries to get it started and pumping gas pedal.


My 1986 Silverado 3/4 ton started that and I chased it, and chased it. Remember the KISS theory! Start with the fuel filter, because that what it ended up being. Can't explain why exactly, but when discussing it with other mechanics we came up with maybe some form of wax that would melt above a certain temperature. When the fuel filter fixed the problem, I removed the tanks and steam cleaned them and replaced, no more problems starting other than my chock needing adjusted every so often.

Aug 26, 2011 | Chevrolet 2500 Cars & Trucks

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Engine will not run. This car sat thru the winter in a unheated garage. I have spark, I have fresh gas. Thinking that the fuel pump was dry, I turned the egnition key to on position with out cranking...


try some starting fluid (either).

Inspect the wiring at the fuel pump (if not in the tank).

Alternately, have the psi tested on the fuel line.

Are you certain there is enough fuel and the car is not uneven (as on a hill preventing a low fuel availability to get to the fuel pump to pump such that it can pump the fuel?)

Another stupid question - have you looked at any of your sensors -- such as the crankshaft positioning sensor?

This should give you a couple ideas anyway..
Best regards
Ck

Aug 18, 2011 | 1997 Mercury Grand Marquis

1 Answer

Car cranks but will not start (without pumping gas) if temp. is below 30 degrees. Car also will not start without great difficulty after engine has run for more than 10 minutes. Fuel pressure regulator...


Pumping the gas on an injected engine does little except for varying the amount of air going into it. I'd try to find a "happy place" to position the pedal when attempting to start it. You may want to test the manifold air temperature sensor, throttle position sensor and map sensor, possibly even the engine temp sensor, all of which may be contributing to the problem if they are out of range. The items you mentioned are another good idea to check as well as the pump and pump resistor near the master cyl on the fender (if yours has one).
Problem with diagnosing something like that online is that without actually doing tests on the components I mentioned, since many sensors feed info to the computer, which the computer makes adjustments for, many times in making those adjustments it can make one problem appear to be very much like what it isn't. You will need a fuel pressure tester to do any real testing on the fuel system but with either a haynes or chilton manual as a reference,you can do specific testing on everything else using a digital multi-meter.

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