Thread: Flashing check engine light!!

I had the same problem on my trailblazer, i p300 i changed all my plugs but turned out coil #2 and #3 where bad, so maybe if you juste change the plugs and wires youll be good to go

Originally Posted by biggt

I had the same problem on my trailblazer, i p300 i changed all my plugs but turned out coil #2 and #3 where bad, so maybe if you juste change the plugs and wires youll be good to go

he has a chipped piston bruh.