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2009
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XC90 V8 R-Design
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control Module (ECM) Diagnostic Trouble Codes - 6 Of 13
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ECM-640D: Turbocharger (TC) Control System. Signal Too Low (B5254T2; 2003-2007)
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Signal Too High / Signal Too Low
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Signal Too High / Signal Too Low
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SIGNAL TOO HIGH / SIGNAL TOO LOW