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2005 Ford Ranger Edge Reg Cab 112 WB

2005 Ford Ranger
Trim Info:
Rear Wheel Drive, Reg Cab 6' Styleside
18 mpg city / 23 mpg hwy
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February 26, 2013, 1:42 pm

Dave C

Question: When my truck idels it starts missing.

I changed the coil pack, plugs and wires and ran fuel injector cleaner through for about 1000 miles and still misses, what is my problem?

February 28, 2013, 8:40 pm

Richard W
Expert Mechanic

You could have a vacuum leak. You can spray carb cleaner around the intake and vacuum hoses. If the idle smooths out you have to pinpoint the leak. If does not smooth out you will need to do a compression test to make sure the engine is good. If the compression is good you could have a bad injector. When the check engine light comes on it should tell you which cylinder it is.

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