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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 04-23-2012
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Join Date: Aug 2008
Location: greenwood
Posts: 42
02 4.0 trouble running

Went out tonight to start the truck after about 2 days of not running, it idled rough at start but when i went to drive away it barley ran and had noooo power, seems to be only running on a couple cylinders, check engine light is flashing, just changed coil pack plugs and wires last month. any ideas
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Old 04-23-2012
Ford04Ranger4.0's Avatar
Join Date: Dec 2008
Location: Plattsburgh, New York
Posts: 3,390
Get the code form the CEL
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Old 04-24-2012
03DualSport's Avatar
Join Date: Jul 2005
Location: Wimberley, Tx
Posts: 260
retrieve the codes for sure. Although you replaced the coil pack, its possible the new one has crapped out. Make sure the connector is plugged in and check your wires to be sure none of them came loose.
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