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Temporary complete loss of Turbo Boost ?

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Ok so drove the car as normal first thing, took the kids to town, on the way back I had a complete loss of Turbo boost from the moment I turned the car on, no obvious signs. Then stopped the car after 4 miles and restarted and I'm back as normal up to 1.2 Bar, ECU related ??

I'm glad I don't just have a 3.6L standard engine, its not much fun without the Turbos

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P0153 Oxygen Sensor Ahead of TWC, Bank 2 – Below Limit


Possible causes:

- Exhaust system leak

- Oxygen sensor is dynamically inert


P1120 Throttle Valve – Signal Implausible
Possible causes:
- Open circuit or short circuit in the wiring
- Throttle position sensor faulty
- DME control module faulty
P1122 Throttle position sensor 2 - signal implausible, below limit, above limit


Possible causes:

- Open circuit in wiring

- Short circuit in wiring
- Throttle position sensor faulty
- DME control module faulty
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If the codes have cleared (have not returned and are not pending) then the problem cured itself -- for now.

If it were my car I would still do some inspection and checking.

I would check for exhaust leaks (broken bolts or damages), I would clean the electrical connections on the throttle valve sensor and if you have not cleaned the throttle body recently I would do that to.

Make sure everything is clean and tight and you should be good - barring a rare throttle sensor failure.

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  • 4 years later...

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