Vanagon 2WD L4-2109cc 2.1L (1986)
Note
CO content is altitude dependent, refer to the following chart.
Example:
At 1600 meters (approx. 1 mile) CO should be 5% +/- .5%
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with ignition switched off, disconnect oxygen sensor
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CO content should correspond to chart according to elevation
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re-connect oxygen sensor
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CO content must read within specifications:
0.3 to 1.1%