How to fix a P219A engine code: Bank 1 Air/Fuel Ratio Imbalance
Bank-1 side of the engine has the wrong air/fuel ratio. A P219A Code can be difficult to troubleshoot since many different things can cause it. If you are getting other codes, they can help point to the issue.
How to Test if Purge Valve Stuck Open Video:
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How to Test a Purge Valve is Opening and Closing Video:
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How To Test Upstream Oxygen Sensor 1 Video: [ Ссылка ]
Possible Causes of a P219A Code
Bad O2 Sensor
Purge Valve Stuck Open
Bad Fuel injector on Bank-1
Fuel Pressure
Dirty or Bad Mass Airflow Sensor
Vacuum Leak
Exhaust Leak
Bad PCV (Positive crankcase ventilation)
By using this information user assumes all risk of use.
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