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P0234 Diagnostic Trouble Code Discussion for June 2017

Turbocharger Engine Overboost


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Trouble Ticket Help Requests for DTC P0234
Help Request Posted
2007 Pontiac Solstice GXP 2.0L looses turbo boost VIN: 1G2MG35X87
P0234: Turbocharger Engine Overboost. Car came in with same complaint as last time with codes PO299 turbo underboost and PO238 boost sensor voltage high.Test drove and on acceleration car feels like turbo quits working.Boost pressure sensor reads around 1.8 volts on normal acceleration and a littl...
June 15, 2017