Pajero II Workshop Manual 1998 Supplement · FUEL · страница 38 из 104 · Открыть оригинал PDF ↗

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Examples of abnormal wave patterns

Example 1

Cause of problem
Sensor interface malfunction

Wave pattern characteristics

Rectangular wave pattern is output even when the engine
is not started

Example 2

Cause ot problem

Damaged rectifier or vortex generation column

Wave pattern characteristics

Unstable wave pattern with non-uniform frequency_
However,whenanignitionleakoccurs'during
acceleration,thewave patternwillbedistorted
temporarily; even if the air flow sensor is normal.

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