FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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A4 Cabriolet (8H7) L4-1.8L Turbo (AMB)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P1818
P1818
P1818 Pressure control valve 1 -N216-; Electrical malfunction in circuit
