Operation CHARM
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Audi
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1987
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4000CS Quattro L5-2144cc 2.14L SOHC (JT)
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Excessive Fuel Consumption
Excessive Fuel Consumption
1.
Leaking cold start valve
2.
Differential pressure not within specification
3.
Uneven injection quantities