On higher mileage vehicles, an engine misfire may develop and/or the Check Engine Light may illuminate due to a failed ignition coil. It is not uncommon to replace all the coils when the first one fails in order to prevent return trips to the repair shop.
Misfire and/or Check Engine Light Due to Failed Ignition Coil on Toyota 4Runner
Average mileage: 189,000 (160,000–224,000)
11 people reported this problem
2000 Toyota 4Runner 179,000 mi, Visitor
$300 repairs to replace coil and plugs… not sure what else they did…
2001 Toyota 4Runner 180,000 mi, Visitor
coil failed, caused a misfire. The spark plug blew out and knocked off the oil cap. made a lot of noise and a big mess. $1700 to fix at Sterling McCall Toyota in Katy
2000 Toyota 4Runner 160,000 mi, Visitor
My car was shaking and felt like it was going to shut off. The mechanic replaced both coils for a little over $300. Seems to be working fine.
My car seems like its loosing power whwn i press the gas and dies after idling for a min. My engine shakes like crazy too