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Volvo
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1998
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S90 L6-2.9L VIN 96 B6304S
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Uneven Idling
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Checking Compression
Checking Compression
Mechanical Overview
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Carry out a compression test.
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Is compression OK?
Yes:
^
Proceed to:
Checking Camshaft Adjustment
.
No:
^
Remedy as necessary.