Sometimes the Check Engine Light illuminates because the computer detects misfires. Subaru released an improved spark plug wire set to solve the problem. The ignition coil should also be inspected for carbon tracks or short circuits between the contacts.
Engine Misfire Due to Failed Spark Plug Wires on Subaru Impreza WRX STI
Average mileage: (–)
7 people reported this problem
0 people shared problem details
Was told the spark plugs and wires are fine. The cylinder blocks out of alignment; need to be...
What can I check to see why no cylinders are getting fire to them?
My Sti's been sitting for about 3 and a half to 4 years without being turned over don't hate me...
Told the dealer I had a code P1875 (DCCD circuit issue) and they spent ALOT of time troublesho...