P0234 Diagnostic Trouble Code Discussion for January 2016
Turbocharger Engine Overboost
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| Help Request | Posted | |
| 2007 Mazda CX-7 Touring 2.3L MIL Lamp on VIN: JM3ER29347 P0234: Turbo/Supercharger Overboost Condition. The customer brought this in saying that it needed a catalytic converter. As I was looking the data on my scantool I noticed the heater on the downstream o2 sensor (B1S2)does not or isn't signaled to turn on until after the engine had reached normal operating ... |
January 11, 2016 | |
| 2008 Ford F-350 Super Duty XL 6.4L MIL Lamp on VIN: 1FTWW31R28 P0234: overboost condition. ... and reduced power message, code P0234 overboost condition, only time problem happens when outside temp is below -20C had same problem last winter, no problem all summer, very hard to duplicate problem, installed manual boost gauge and sent customer to try ... |
January 14, 2016 | |
| 2008 Ford F-350 Super Duty XL 6.4L MIL Lamp on VIN: 1FTWW31R28 P0234: overboost condition. ... and reduced power message, code P0234 overboost condition, only time problem happens when outside temp is below -20C had same problem last winter, no problem all summer, very hard to duplicate problem, installed manual boost gauge and sent customer to try ... |
January 21, 2016 | |
| 2007 Mazda CX-7 Touring 2.3L MIL Lamp on VIN: JM3ER29347 P0234: Turbo/Supercharger Overboost Condition. The customer brought this in saying that it needed a catalytic converter. As I was looking the data on my scantool I noticed the heater on the downstream o2 sensor (B1S2)does not or isn't signaled to turn on until after the engine had reached normal operating ... |
January 29, 2016 |
