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Rough Running Engine and Possible Check Engine Light on Ford E-250

Problem Description and Possible Solution

The Check Engine Light may illuminate, the engine may run rough and have misfires on acceleration. Commonly the ignition coils and/or the ignition coil boots are the cause of this problem. The rubber boot that insulates the coil to the spark plug can dry and crack allowing arcing. Inspect the coils and boots, and replace them as needed. Our technicians also recommend replacing the coil boots any time the spark plugs are replaced.

Problem Data
RepairPal Verified
Average mileage: 136,329 (59,700–252,000)
Electrical & Lights affected: 4.6L V8, 5.4L V8, 6.8L V10
15 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
42 people reported this problem
Viewing 1 - 4 of 4 comments
The van is running rough and the engine light is on
Purchased 2002 E-250 van new from a Ford Dealer. Always maintained and serviced as per Ford Guidelines at the Ford Dealer. Even the oil changes. 300 miles before the 60,000 mile service, van started running rough and Service Engine Light came on. Took to Ford Dealer for the 60,000 mile service and to fix rough run. $400 to fix bad coil on one spark plug. Plus another $375 for routine service. I have driven almost 850,000 miles in 40 years and never had or heard of a coil going out before. Van now has 63,600 miles, and is in the Ford Dealer Shop for the 4th bad coil, each one on a different cylinder. Sh-- is getting way to old and far to expensive. 4 different coils in 4000 miles. I don't buy it. I am guessing that either coils were bad from the factory, and they are still using the same coils, or ... something in the on board computer is creating this problem in order to get a person to trade in or up graded to a newer vehicle. Or maybe just to bend you over and rip you off for $400 smackers on a repeated basis. Personally, as soon as I get it back from the dealer this time, it is going to be sold. Never again will I purchase or own another Ford Product.
I change plugs ignition boots and still loos power wheen Isteep on the gas pedal
Engine light on
Rough acceralation
Spark plug misfire and pop out