mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Camshaft Position Sensor > < Engine - Loss of Power or Surge|Page 3320
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Barometric Pressure Switch: Testing and Inspection
Component Testing

Fig. 33 Ignition barometric pressure switch resistance chart

1.

Disconnect switch from ignition module.

2.

Connect suitable ohmmeter across switch terminals and compare resistance measured to values in chart, Fig. 33.

3.

Replace switch if resistance is not within specifications.

Camshaft Position Sensor > < Engine - Loss of Power or Surge|Page 3320