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Maintenance
Troubleshooting
No Restriction Reading
POSSIBLE CAUSES
HOW TO CHECK
Plugged fitting or vacuum line
Apply vacuum to gauge until locked up at RED zone. Reconnect line and hold in reset button.
Indicator will fully return unless line or fitting is plugged. A slow return is normal due to safety
filter in fitting.
Leak in vacuum line
Apply vacuum to gauge until locked up at RED zone. Reconnect gauge and close end of line air tight.
Hold in reset button. Indicator will drop slightly and then not move unless vacuum line has a leak.
Leak in gauge
Repeat above except close gauge connection airtight.
Engine air flow too low to generate a
restriction reading
Turbocharged engines must be full load to pull full engine air flow (North American engines at full
rpm).
Air cleaner element split open
Visually inspect element.
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Summary of Contents for CE Series
Page 4: ......
Page 11: ...Table of Contents Section 14 Index Index 215 vii...
Page 12: ...Table of Contents viii...
Page 52: ...Instrumentation Declination Zone Map 40...
Page 67: ...Driver Controls 55...
Page 68: ...Driver Controls 56...
Page 71: ...Driver Controls 59...
Page 144: ...Operation 132...
Page 151: ...Roadside Emergencies Body Fuse Circuit Breaker Panel 139...