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โˆ™ 2007-09-19 13:15:27
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Q: Why would fuel pump keep running when key is not in the ignition?
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What would cause the car to keep running once ignition turned off if headlights were still on?

Headlights run off the battery not the ignition...

Why would a car stop running while driving model 740 v0lvo?

Keep the key in the ignition, stupid...

85 Volvo 240 DL starts for 2 seconds and then stops fuses are good and you can here the fuel pump when it is running. If you give it a lot of gas it will keep running rough let off and it stops.?

Check the 240DL for fuel pressure and good ignition spark. The pressure could be low even though you hear the fuel pump. A problem with the ignition can cause this problem as well.

Your 300 runs for a few mins when its cold then really struggles to keep running its as if its ran out of fuel but theres a full tank and the fuel pump is definitely working Any ideas?

running in the same problem. i come to conclusion its not EGR fuel pressure regulator or fuel pump. as the fuel pressure stays the same when this happens. it either has to be faulty injectors or ignition.

What do you do to keep lawnmower running it will start but not keep running?

because ....well i got nothing I would check your float it might be sticking, fuel filter might be plugged. That depends on what type of lawnmower you are working on but it sound like a fuel problem to me .

What would keep a car running after turning the key off?

A malfunctioning the ignition switch will allow the car to keep running after the key is turned off. You can remove the positive ground cable from the battery to shut the car off.

Why does the fuel pump keep running on a 1987 Chevy S10?

The fuel pump runs constantly as long as the engine is running.

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Is there a gas cutoff or pressure releif valve on a 97 ford expw6cyl engine that would keep the motor from cranking this is in relation to low fuel or running out of fuel?


Why does freightliner truck engine keep running with key turned off?

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Is it more fuel efficient to leave your car running or shut it off?

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91camaro rs 3.1 v6 starts after spraying starter fluid in but you have to keep pumping the gas to keep it running I have changed the egr wires plugs distributor rotor and fuel filter what can be wrong?

It could be your fuel pump. You only have ignition when fuel is added. Turn Key on listen for fuel pump hum. I have listned to the fuel pump it's coming on and I'm getting pressure put it seems no gas to run the engine

Why does my 95 grand prix keep running with the ignition key off?

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What should you do if your '87 Nissan will not keep running unless you spray starter fluid into the carb?

I would repair the fuel problem-like a bad fuel pump-or bad relay-or blown fuse-or BLOCKED FUEL FILTER-or out of fuel-or bad fuel-

What are common fuel pump problems Mercedes 1986 190E?

Why does my fuel pump keep running on my 1984 190E

What does the air fuel sensor do?

if its what I'm thinking of it determines the air and fuel mixture needed to keep the car running.

Why does an engine keep running when ignition key is turned off?

Its not your engine. Its the fan running to cool the engine down. They all do it and nothing is wrong with your car.

Why won't my Chevy Avalanche keep running after it starts?

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Why does the fuel pump keep running when the key is in the run position?

Fuel pressure regulator. it has a hole in the is allowing fuel to by pass when it is suppose to not.

What will happen if uncoded key is put in ignition?

Depends on the car. But it can do a few things, turn off the fuel pump for a few min. crank and start the engine but not keep it running for very long. just crank the engine.

Why does fuel pump run for 3 seconds and then stop?

most electrical fuel pumps work that way. it prevents the engine from flooding. also when you run out of gas, you no longer have to crank the engine to get it started again. all you do is turn the ignition to the on and off position 5 or 6 times and the gas reaches the intake. once the engine is running, the fuel pump continues to run and feed fuel to the engine to keep it running. frank t ( a car nut )

What is the difference between spark ignition and compression ignition engine?

A spark ignition engine is a gasoline engine. A compression ignition is a diesel engine.basic difference between compression and spark ignition engine is ,compression ignition is a diesel engine. spark ignition is a gasoline engine.diesel engines compress the fuel to a point where the fuel explodes, thus giving ignitiongasoline does not compress to explosion, therefore it needs need a spark to ignite the fuelspark ign. is gasoline. comp. ign. is diesel.A compression ignition engine is typically a diesel. It compresses air so much that the heat from the compression is enough to cause the fuel to ignited once injected. A spark ignition engine is your average gasoline-burning car engine. It uses a spark plug to ignite the air/fuel mixture instead of relying on compretssion ignition.A compression ignition engine uses very high compression of the air to heat it self up and the fuel is injected into the cylinder which self ignites (a diesel engine is a compression ignition engine).A spark ignition engine uses a lower compression ratio and requires the use of a spark to ignite the fuel (a petrol engine is a spark ignition engine).Because the oils used for a diesel have a higher calorific value, they have a better fuel economy, They also do not need extra energy usage to keep the engine running, unlike the energy that is lost to power the spark plugs from the generator/alternator which is taken from the useful energy produced by the engine.

Why wont my Subaru idle when it is cold?

When any car idles, it lowers the ignition energy (but not completely) to keep the car running. When it is cold outside, your Subaru's ignition energy is lost through heat because electricity also is measured through heat. When there is less ignition energy when it is already running on a lower ignition level, the car (your Subaru) is not likely to idle.

Replaced fuel pump and filter why won't it keep running after starting Bridged the relay it runs put in a new relay it wont keep running Why?

Did you check the inertia fuel switch on the floor under th glove compartment maybe it is open.