Operation CHARM
: Car repair manuals for everyone.
Home
>>
Pontiac
>>
1983
>>
J2000/Sunbird L4-121 2.0L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Fuel Delivery and Air Induction
>>
Altitude Compensator
>>
Description and Operation
Altitude Compensator: Description and Operation
On "Minimum Function Systems" grounding ECM terminal 18 compensates for high altitude operation.