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P0234 Diagnostic Trouble Code Discussion for December 2009

Turbocharger Engine Overboost

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Trouble Ticket Help Requests for DTC P0234
Help Request Posted
2005 Volkswagen Caddy 1.9L Misfire, MIL Lamp on, Lacks power VIN: WV1ZZZ2KZ5
P0234: 16618 Turbo overboost condition in one wire operating mode. Hi guys, New customer drives in, repair history unknown. Have read the forums & looked at iatn but still lack info about this problem. Using scanner, at idle boost pressure is 1009.40 m/bar (1091.40 is specified). At 2730rpm, is 1183m/bar (1142.40 specifi...
December 05, 2009