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The code indicates that ?

It establishes how much fuel and air are combined before they enter the combustion cham?

In regard to your query, I found this. The PCM monitors the air-fuel ratio in the engine’s … OBD II fault code P219A is a generic code that is defined as “Bank 1 Air/Fuel Ratio Imbalance”, or sometimes as “Mixture Control Bank 1 – Value Out Of Range”, and … If during repair an injector replacement is required, it will be necessary to refer to the parts catalog to ensure the correct injector is ordered and installed in the suspect cylinder. Refer to example below on how to identify and order the correct injector. Your Tahoe is equipped with oxygen sensors that measure the air-fuel ratio of your engine. norco 5 325 P219A Chrysler Code - Air Fuel Ratio Imbalance Bank 1. 6L V6 62,000 miles bought used I think GM advises NOT to run injector cleaner through these vehicles otherwise I would try that What Does the Engine Code P219A Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means that this is a ISO/SAE controlled OBD-II (OBD2) DTC. This code indicates that your Chevy Silverado’s air/fuel ratio is out of balance (too rich or too lean) on the bank 2 side of the engine in question. I notice no drop in performance, rougher idol, etc. suite entrance yankee stadium P219A Chevrolet Fuel Trim Cylinder Balance Bank 1 📷. Bill Saporito test-drives the new Chevy SS, a flashback to the time of stick-shift muscle cars. - Repair Difficulty Level: 2/3 P219A CHEVROLET code possible causes. they put on the scanner reader and I was told that there were three codes of P219A shown. P219A is one of the detected codes for that program. reocentral Poor Engine Performance: The vehicle may experience poor acceleration, reduced power, and overall sluggish performance due to the imbalance in the air/fuel mixture. ….

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