Question about 2000 Ford Expedition

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Missing and back fires while driving

Truck is missing sometimes and back fires while driving this start when i just fuel up

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  • feliciapete Nov 11, 2008

    thank you very much you were very helpful thanks again

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Water in fuel

Posted on Nov 11, 2008

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No fire all the time


Fire--means what?

You have a NO START Condition-- most of the time

Your going to have to do some testing

What are you missing?
Spark or Fuel -when it won't start

I would put my money on a failed fuel pump
Check the fuel pressure

Mar 10, 2014 | 1995 Lincoln Town Car

1 Answer

1995 pontiac grand am 3.1 hard start


How do you know about the fuel here, I'd suspect you have a defective fuel pump. The pressure should be tested at the test port on the engine injector fuel supply rail, you will need to buy or borrow a special gauge to test the pressure.

May 31, 2012 | Cars & Trucks

1 Answer

2008 ford escape Missing shows number4 miss fire,changed coil and plug on number4, still the same..


It could Be a wire id use a multi meter to check the ohms of your wires. It could be a sensor or the ignition control box. im not sure its hard to say without looking at it.

Nov 26, 2011 | Ford Cars & Trucks

1 Answer

I have a 180E 1991 model that is hard to start and when it does start it has a bit of a miss sometimes when starting it backfires/pops through air cleaner, others days just won't start


BACK FIRING AND HARD STARTING COULD BE CAUSED BY LOW FUEL PRESSURE CAUSED BY WORN FUEL PUMP.STOP UP FUEL FILTER AND STOPPED UP FUEL INJECTORS.IF ALL IS GOOD LOOK FOR VACUUM LEAKS AT INTAKE HOSES AND INTAKE MANIFOLD.WORN VALVES WILL CAUSE MISSING AND BACKFIRING.

Feb 03, 2011 | 1991 Mercedes-Benz E-Class

1 Answer

Truck when it gets hot or after driving about 15 miles it will star to cut out or miss. Sometimes you can shut it off and start back up and it will run fine


I would start by checking your ignition system, mainly the ignition coil. Sometimes when they get hot they fail and when they cool down they work properly. I would also check to see if the fuel pump may be overheating as well. Connect a fuel pressure guage to the system and watch the fuel pressure after you drive it. When it starts to act up if the fuel pressure goes wild you will have your answer.

Apr 07, 2010 | 1988 Dodge Dakota

2 Answers

Bad fuel pump diagnosis? small flutter in engine got worse within 20 min of driving and had to stop


If the engine wants to stall as you accelerate,and sometimes cuts out at highway speeds,...Its the fuel pump,If it misses at idle,and while driving,its the fuel filter,Have the fuel presure checked,or change the fuel filter,when you change the fuel pump,also ghange the fuel filter.

Jul 26, 2009 | Toyota Tacoma Cars & Trucks

1 Answer

Truck back fires and misses after setting for a while.


service engine light must be present with that description!!!!! if so time to stop the GUE$$ work and invest in a OBD 2 scan tool retrieve fault codes and repair it rite first time around.I would also be interested to see how that ignition coil behaves when it warms up get that tested!!!!if you haven't a OBD tool or spark tester invest save large.John

Jan 01, 2009 | 1999 Dodge Dakota

1 Answer

1997 oldsmobile bravada


Fuel pump will not shut off even when the key is out

Oct 02, 2008 | 1998 Oldsmobile Bravada

2 Answers

Vr4 with miss and back fire under load


If this just started, maybe after a hard run, you may want to check your sparkplugs. I've melted the insulator on one of my plugs after a prolonged, spirited run causing same symptoms.

Sep 25, 2008 | 1998 Mitsubishi Galant

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