Operation CHARM
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Infiniti
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1990
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Q45 V8-4494cc 4.5L DOHC (VH45)
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Technical Service Bulletins
Tune-up and Engine Performance Checks: Technical Service Bulletins
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Customer Interest
Engine - Rough Idle/Spark Plug Fouling
Rough Idle (Platinum Spark Plug Cleaning Procedure)
AAC Valve - Rough Idle
Engine - Cranks, No Start/Hard Start
By Symptom
Customer Interest
Engine - Rough Idle/Spark Plug Fouling
Rough Idle (Platinum Spark Plug Cleaning Procedure)
AAC Valve - Rough Idle
Engine - Cranks, No Start/Hard Start
Driveability
Rough Idle (Platinum Spark Plug Cleaning Procedure)
Erratic Operation
Engine - Rough Idle/Spark Plug Fouling
Starting problems
Engine - Cranks, No Start/Hard Start
All Technical Service Bulletins
Ign Diagnosis - Using the Sun MCA, 1805-Z Interrogator
Engine - Rough Idle/Spark Plug Fouling
Rough Idle (Platinum Spark Plug Cleaning Procedure)
AAC Valve - Rough Idle
Distributor - Reman Program
Engine - Cranks, No Start/Hard Start