2015 Audi A5 Quattro Cabriolet 2.0L MIL Lamp on
The car has a chronic P0299 underboost code. There are no vacuum leaks and common items have been changed. See above. The car runs fine but the code returns after 3-4 drive cycles. Fuel trim is ok and improved after vent valve was changed. Any help would b...
FIX posted 8/21/2020
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Message Closed w/FIX
Vehicle Data2015 Audi A5 Quattro Cabriolet
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2015 Audi A5 Quattro Cabriolet
VIN | WAUMFAFH9F |
Engine | 2.0 L / 4 cyl / GAS |
Trans | 8-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Hot, Under Load |
Trouble Codes
P0299 | Turbocharger Underboost Problem |