These are the more important signs that the coil is not working: Engine misfires Rough idle A decrease power, especially in acceleration Poor fuel economy Difficulty starting the engine Exhaust backfiring Increased hydrocarbon emissions The smell of gas coming from the exhaust Fuel leaks
What happens when its bad???
These are the more important signs that the coil is not working:
Engine misfires
Rough idle
A decrease power, especially in acceleration
Poor fuel economy
Difficulty starting the engine
Exhaust backfiring
Increased hydrocarbon emissions
The smell of gas coming from the exhaust
Fuel leaks