Operation CHARM
: Car repair manuals for everyone.
Home
>>
Pontiac
>>
1991
>>
6000 L4-151 2.5L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Ignition System
>>
Ignition Timing
>>
Specifications
Ignition Timing: Specifications
IGNITION TIMING
This engine uses a DIS (Direct Ignition System) to control spark timing. The timing is set at the factory and is non-adjustable.