Question about 1991 Ford Explorer

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Fuel injectors not working in a 19191 ford explorer

I have a 1919 ford explorer that is not getting fuel .it has fuel to the injectors but they are not had a bad engine so i put one in it.the new engine is a newer model but i only used the block,heads and the intake manafold.a fiend told me the injectors were the same.they pluged into the wireing harnes .

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  • brookecurtis Nov 25, 2008

    yes it has spark,i used some starting fluid on it. it would try to start then but as soon as i would stop spraying it would stop fireing.



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Does it have spark? make sure crankshaft sensor is ok and plugged in

Posted on Nov 25, 2008


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1995 Ford Explorer fuel pump working fuel getting to the fuel filter no gas on rail will start with starting fluid

If fuel filter is clogged no gas will reach your injectors. Or maybe the fuel pressure is not high enough due to a weak pump.

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Fuel injector replace 96 ford exsplorer

Disconect your fuel rail then one at a time just pull out and push in the new fuel injectors.
Then your fuel rail snaps on to the top of all the injectors at the same time.
Just dont get the tips of the new fuel injectors dirty and you should be fine.
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What controls fuel delivery to cylinders on 2000 ford explorer mine instantly fouls all spark plugs

Each cylinder has its own fuel injector. If the pin hole size orifices that deliver fuel into the cylinder are gummed up or have deposits in or on them, then the fuel will be introduced into the cylinder as a stream or other unacceptable spray patterns instead of a conical shape. Chevron Techron is an excellent product that really works to clean fuel systems and injectors.

You may also have defective injectors, worn spark plugs, (they may have improper gaps), the wrong spark plugs for your engine, insufficient spark due to defective coils or the coil pack, spark plug wires that have lost their conductive integrity or a fuel pressure issue.
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Click on link below to see how fuel delivery works.
fuel injector spray pattern Google Search

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1 Answer

2000 ford 4.0 explorer cranks but fails to start. It acts like it starts after sitting all night but then only cranks, what is wrong?

Check for spark to the sparkplug. Try a shot of starting fluid as having gas pumping and having the fuel injectors opening are 2 different things. If you have spark, then the fuel injectors may not be working. Quick diagnosis is to use starting fluid and see if engine tries to run. This indicates problem is not lack of spark but lack of fuel getting into cylinders.

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need to service the injectores or better replace them

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1 Answer

Where are the fuel injectors on a 4.0 explorer sport

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If the fuel injectors don't work when in the run or cranking position the computer may not be getting a signal from the crankshaft position sensor.

Does the service engine soon light become lit when the car is in the run position before starting it?

I'm a little bit confused because the title says '2001 Ford Explorer' and the text says '1994 4 liter'.

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1 Answer

My 99 ford explorer cuts out and dies when accelerating in drive

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1 Answer

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