Operation CHARM
: Car repair manuals for everyone.
Home
>>
Chevrolet
>>
1992
>>
Lumina L4-151 2.5L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Tune-up and Engine Performance Checks
>>
Ignition Timing
>>
Specifications
Ignition Timing: Specifications
This engine uses a Direct Ignition System (DIS) to control spark timing. The timing is set at the factory and is non-adjustable.