Operation CHARM
: Car repair manuals for everyone.
Home
>>
Saturn
>>
1992
>>
SC L4-1.9L DOHC VIN 7
>>
Repair and Diagnosis
>>
Maintenance
>>
Tune-up and Engine Performance Checks
>>
Spark Plug
>>
Description and Operation
Spark Plug: Description and Operation
The
spark plugs
allow the high voltage energy from the coils to arc across a gap to ignite the
air/fuel mixture
.