Volkswagen Workshop Service and Repair Manuals

Air/Fuel Mixture: Technical Service Bulletins
Engine - CO Value Altitude Adjustment

Applies To

VANAGON

Watercooled Digi-jet

All years
Group

24

Subject:

Fuel Injection/Digi-jet system

Part Identifier N/A
Key Points

CO value altitude adjustment

A60
Number

83-01

Sept.. 19, 1983
CO value altitude adjustment

Note

It is important to know the altitude of the workshop vicinity where the CO value is to be checked and adjusted.

Adjustment procedure

-

with ignition OFF disconnect oxygen sensor at electrical connector.

-

adjust CO value corresponding to local altitude.. See shaded area of graph.

Example

Altitude:

1000 m/3280 ft

CO value:

2.4-3.3%

-

reconnect oxygen sensor at electrical connection

CO value must be 0.3 - 1.1% with sensor connected

Note