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Diagnostic Trouble Code: 021
Diagnostic Trouble Code Name: Rear Defrost Request Switch Circuit
Vehicle Make: Holden
Vehicle Model: Epica (V250)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Cylinder 8 balance test failure V8 engine.
DTC P0284 is reported if cylinder No. 8 contributes less than expected to the cylinder balance test
Possible Mechanical Faults
Low compression; damaged, worn or faulty piston rings, leaking valves, cracked or damaged cylinder head; coolant leaking into cylinder, damaged or faulty cylinder head gasket. Other mechanical fault causing poor spark
Possible Module Faults
*FUEL CONDITION check for other DTCs present that may indicate cylinder mixture too rich or lean
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