Q: Running rich. Hard to start after it has ran and then sits for 15-30 minutes. Idles rough in drive. Gives error code p0300
My car is running rich, and hard to start after it has ran and then sits for 15-30 minutes. It idles rough in drive and keeps throwing the error code P0300 for mutiple misfirea. Its not the spark plags, or coils i know.
My car has 120000 miles.
My car has an automatic transmission.
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