Operation CHARM
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Volkswagen
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1991
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Jetta L4-1984cc 2.0L DOHC
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Fuel Injector
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Testing and Inspection
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Fuel Injector Insert
Fuel Injector Insert
Check the
Fuel Injector Inserts
for:
1.
Vacuum leaks
2.
Proper mounting torque
3.
Cracked or damaged O-rings
NOTE:
The O-rings should be replaced whenever the Injector Inserts are removed.