Question about 2004 Ford F150

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Got engine wet now service light on and engine running rough

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  • 57 Answers

Try spraying all wires with a product called wire dry

Posted on Jul 12, 2009

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

wracefans24
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SOURCE: 1994 GMC Jimmy engine runs rough when cold; smooths out when warm

you need to have the codes checked to know what direction to start repairs,Autozone does this for free

Posted on Jan 20, 2010

  • 883 Answers

SOURCE: Ford Escape 3L 2002 Rough idle

generally, when the engine is washed, water gets trapped behind the spark unit and stays there, creating a shorting path for spark plug current. best to dis-mount the spark unit (follow plug wires back to source) and dry and clean it thoroughly.

Posted on Jul 07, 2008

  • 184 Answers

SOURCE: 2004 SILVERADO SERVICE ENGINE LIGHT CAME ON

You'll need to get the trouble codes read from the truck's computer memory. The Check Engine Light comes on when codes are stored. You can go to an auto parts store and ask if they read them for free, buy a code scanner, or take it to a shop. Without those codes we'd just be guessing at what's wrong ;-)

If you get the codes you can look them up here for more info or post back here - http://www.obd-codes.com/trouble_codes/

Posted on Dec 21, 2008

  • 15 Answers

SOURCE: 2002 grand prix runs rough,dies service engine

sounds like you have a vacuum leak, check all the vacuum hoses and replace any broken or kinked ones, also check around the intake manifold gasket for leaks. any air leaks after the air flow meter creates 'un-metered' air which inturn will make the car run rough and stall, hope this helps

Posted on Apr 04, 2009

  • 218 Answers

SOURCE: running rough/service engine soon light

WITH A #8 MISFIRE U NEED TO REMOVE THE PLUG AND TAKE A LOOK.THE SMOKE FROM THE EXHAUST SOUNDS LIKE RAW FUEL.BAD PLUG,COIL OR INJECTOR.LOW COMPRESSION?

Posted on May 04, 2009

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Check engine light flashing check engine soon smell of gas and not running smouth


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Check the ignition system, coil/s, plug wires or boots. Easiest way to find the problem is to take a spray bottle with water and spray them down when the truck is running. When it runs rough, you found the problem.

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The flashing and rough running is to to a misfire or misfires cause by arcing due to moisture on ignition components. Eventually these misfires can lead to other problems such as damage catalytic converter. Start by identifying which cylinder(s) is/are misfiring. The arching can be reproduced with a spray bottle filled with soapy water. Spray the ignition components (wires, coils, distributor cap...)and look for the vehicle to idle rough. Replace any faulty component.

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Rough idle when wet


Go to your local parts store, buy a Di-Electric grease. It's not expensive. Pull each plug wire off one at a time. Take a screwdriver or something to stick inside the boot of the wire. Put this grease inside the plug wires on both ends, and also around any other wire you see that have a potential of getting wet. The keeps out moisture and really works. I did a friends VW this way and the VW dealership couldn't figure out what was wrong so this shuld help the problem.

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No check engine light on runs rough while in gear


Plug Mis-firing (firing-but not adequately) no light and no fire.
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A scan for trouble codes may point you in the right direction quickly, rather than hit & miss, with replacing parts. Some of the autoparts stores will scan for free, and your right where you need to be to get the right part at the same time.

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2002 Ford Escape rough idling


If you have this problem its possible you got water in the main harness conector on the top middle firewall. I used a hairdryer and put some silicone on mine to help. Also, the coils on the sparkplugs and the rubber around the spark plug can easily fill with water so check all plugs and holes.

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Ford Escape 3L 2002 Rough idle


generally, when the engine is washed, water gets trapped behind the spark unit and stays there, creating a shorting path for spark plug current. best to dis-mount the spark unit (follow plug wires back to source) and dry and clean it thoroughly.

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