V8 Quattro V8-3562cc 3.6L DOHC (PT) (1990)
![background image](/audi/v8_quattro/v8-3562cc_3.6l_dohc_(pt)/Page-1430002.png)
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Should be approx. 2.5 volts.
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Rev engine from idle to about 4,000 rpm and note voltage.
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Voltage should vary between approx. 1.5 and 5.0 volts as engine rpm varies. If not, replace air mass sensor.