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Porsche
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1991
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944 S2 Coupe L4-2990cc 3.0L DOHC
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Repair and Diagnosis
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Maintenance
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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 Performance - Surging Idle or Hesitations
By Symptom
Customer Interest
Engine Performance - Surging Idle or Hesitations
Driveability
Engine Performance - Surging Idle or Hesitations
Leaks
Engine Performance - Surging Idle or Hesitations
All Technical Service Bulletins
Tools - Auto Scopemeter & Engine Analyzer
Ignition Distributor - Revision and Marking
Engine Performance - Surging Idle or Hesitations
Spark Plugs - Install With Threads Clean and Dry
Spark Plug - Recommeded Usage