Caprice Wagon RWD V6-262 4.3L (1992)
Canister Purge Control Valve: Testing and Inspection
INCORRECT OPERATION MAY CAUSE:
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Poor idle, stalling, and poor driveability. Check for:
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Inoperative purge solenoid.
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Damaged vapor canister.
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Hoses split, cracked, or not connected to the proper tubes.
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Pinched or plugged hose(s).
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Evidence of fuel loss or fuel vapor odor. Check for:
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Liquid fuel leaking from fuel lines, or TBI unit.
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Cracked or damaged fuel vapor canister.
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Disconnected, misrouted, kinked, deteriorated, damaged vapor hoses, or control hoses.
Chart C-3
