FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
Home
>>
Chevy Truck
>>
2000
>>
Tracker 2WD L4-2.0L VIN C
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Fuel Delivery and Air Induction
>>
Description and Operation
>>
Fuel Metering
>>
Fuel Metering Modes of Operation
>>
Power Enrichment
Power Enrichment
In order to provide maximum power during high engine load driving conditions, the
air/fuel mixture
is enriched when the throttle valve opening is more than a specified,
PCM
determined, value.