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P219A, P219B FUEL TRIM CYLINDER BALANCE
This oil field truck came in last week for a misfire and check engine light on. It had DTC'c P0300, P0174, P0171, P219A, and P219B. Found cylinder #4 had a dead miss and cylinders #1 and #3 misfiring at times. The fuel trims were at about 15% at idle. I checke... Login to read more. 
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49 Replies Received
49 Replies Received
| Engine | 4.3 L |
| Trans | 4-speed Automatic (Electronic) |
| Symptoms | Mil Lamp On |
Vehicle Data
2012 Chevrolet Silverado 1500 WT 4.3L Mil Lamp On
| Engine | 4.3 L |
| Trans | 4-speed Automatic (Electronic) |
| Symptoms | Mil Lamp On |
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