Question about Volvo S80
Recently you has any repair or modification in youe engine? Change spark plug for any diferent aftermark? Keep in mind that you need use the right, just plain Bosch Copper's. You'll be much happier, Part Number RC12PYP and gap them at .030"
DTC P0234 - Engine Overboost Condition
The PCM disables (bypasses) the supercharger boost and sets a diagnostic trouble code (DTC) to keep from damaging the powertrain (engine or transmission) during potential harmful operating conditions.
- Brake torque (brake on and throttle at wide open).
- Transmission oil temperature (TOT) exceeds calibrated threshold.
- Engine over temperature.
- Ignition misfire exceeds the calibrated threshold.
- Knock sensor (KS) failure or knock detected.
- Low speed fuel pump relay not switching.
Check for other diagnostic trouble codes accompanying P0234, or check appropriate and available PIDs related to the above possible causes.
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Posted on Jul 21, 2010
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Posted on Jan 02, 2017
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