Question about 2005 Ford Explorer

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05 explorer 4.6 cylinder 3 misfire ive changed plug boot coil amd injector ..still reads misfire and bogs down aroud 70 miles and hr ..light flashes then it quits

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Check the cat converter could be plugged

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that sounds like those cylinders injectors might be the problem . When an injector over fuels or fails to supply fuel it would create a misfire just like if a plug or coil failed

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was the any oil on the coil boot? you can have a weak injector or a stuck vavle

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2002 Toyota Tundra runs rough (shakes) when first starts up within a mile or two, runs fine. Check-Engine code says misfire 3 and 4. 144,000 miles

It certainly will be cheaper to pay a professional to test the problem for and hundred bucks or so, than it would be to replace parts that may not be needed and or damage other components while driving it until you fix it, and if your not driving it, the cost of a rental car. the problem you have can be any of the following, and until everything is tested it's a wild guess to determine what's wrong.
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I have a 2008 dodge avenger se and my engine light is on and was flashing before. when it is in drive or park it turns off when i stop. i took it to auto zone and the told me that cylinder 3 and 4 misfire...

The best way to fault find in swap coil 1&2 with coil 3&4. If the fault doesn't change, it is possibly the plugs or something more sinister electrically.

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1996 isuzu rodeo keeps reading #2 misfire runs good xcept when cold it hesitates most times or jus occasionally hesitates then the check engine light flashes and its guzzling gas i only got 50 miles on a...

A misfire alarm typically means the coil pack mounted above the sparkplug indicated in the misfire had gone defective.

To test it, swap the coil pack with another cylinder, and see if the misfire goes from #2 to the cylinder you put it on.

If the misfire continues to be on #2, then consider changing the sparkplugs.

I hope this helps.

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I have a 2003 Expedition 5.4L Triton. Two days ago, with low gas (38 miles to empty), engine started running rough. Code read P0302, misfire cyl. 2. Since it had 113K miles, I figured its time to change...

Most likely the coils. Easiest way to check is swap them with another cylinder, start it, pull the plug wire connecter and if it doesn't change the engine the coil is bad. If it is the injector, then you can check it with an ohm meter. Touch the leads in the injector it should read 11 to 15 ohms. if you need help let me know.

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Engine code states cylinder 2 misfire. Replaced

sounds like a bad injector, just connection at the injector, also check for leaks at intake, one more thing , do a compression test on that cylinder start there, good luck.

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Jepp Cherokee 2000 4.0 L 123K miles, cylinder #6

try changing your crank senor. Get part from the dealer... My jeep was misfiring and changed OEM part and jeep rides good.

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