LEMON Manuals
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Pontiac
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2003
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Vibe Base, AWD
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Repair and Diagnosis
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Engine Control System - Trouble Shooting - No Codes
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Symptom Diagnosis
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Detonation/Spark Knock
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Ignition System Checks
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Ignition System Checks
Check the spark plugs for the correct gap.
Inspect the spark plugs for excessive deposits that can glow and pre-ignite the air/fuel mixture.
Check the spark plugs for the correct type and the correct heat range.