Curiosii for ever!
: Car repair manuals for everyone.
Home
>>
Chevrolet
>>
1999
>>
Metro L4-079 1.3L VIN 2 MFI
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Emission Control Systems
>>
Positive Crankcase Ventilation
>>
Description and Operation
>>
Crankcase Ventilation System Description
>>
Operation
Operation
The primary control of engine crankcase blowby gas is the
PCV valve
. The PCV valve meters the flow of blowby gas according to the manifold vacuum signal.