2011 Chevy Silverado 5.L P219A P219B

2011 Chevy Silverado

Chevy Silverado On the 2011 Chevy Silverado with the 5.3L engine, the P219A and P219B codes are both related. These codes are saying that the fuel-air ratio to both banks is incorrect and unbalanced. There are a few different things that can cause this issue. Things that will need to be checked: Inspect the air induction system for modified, damaged, leaking, or restricted components Inspect the crankcase ventilation system for improper operation. Inspect the vacuum hoses for splits, kinks, and improper connections. Inspect for vacuum leaks at the intake manifold, the…

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Chip Install: 2006 Chevy Silverado 5.3L


On the 2006 Chevy Silverado 5.3L, the IAT is built into the Mass Air Flow Sensor. The MAF/IAT Sensor is mounted to the side of the Air Filter Housing. At the MAF/IAT Sensor, the IAT wire colors are: TAN = IAT Signal ( + ) BLACK = Signal Reference ( – ) Does your vehicle have a similar problem? Get connected to a Live Q&A session with a certified Auto Mechanic and get your answers on this problem now!

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2007 Chevy Silverado Oil Consumption

2007 Chevy Silverado

Chevy Silverado On the 2007 Chevy Silverado, the excessive oil consumption is actually a “known problem”. GM had issued a Technical Service Bulletin (# 10-06-01-008J) that states the most common reason for the high oil consumption is the Valve Cover and AFM Shield (and AFM Valve if necessary).  Piston Rings on this engine are not a common wear or fail item, at all. HOWEVER, after the Valve Cover and AFM Shield repair is made, according to the Technical Service Bulletin, “Re-evaluate the oil consumption. Document on the repair order. If the…

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2000 Chevy Silverado P0440 EVAP

2000 Chevy Silverado

Chevy Silverado On the 2000 Chevy Silverado, the P0440 is pointing to a fault in the EVAP (emissions control/recovery) System. Unfortunately, it’s a fairly “general” code and there a few different things that can set this code. This can be a leak in the system, a problem with the EVAP Purge Solenoid, a problem in the EVAP Vent Solenoid, a problem with the Fuel Tank Pressure Sensor or a problem with the Canister itself. There will be some testing procedure that will need to be done to find the root of…

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2006 Chevy Silverado Temp Actuator

2006 Chevy Silverado

Chevy Silverado On the 2006 Chevy Silverado, when the A/C blows cold on one side but not the other, this means the A/C system is working properly, but the air flow is not switching according to the selection on the control panel. Most commonly, this is due to a faulty Air Temp Actuator Motor. This actuator is what “turns the door” inside the HVAC housing to switch between heat and A/C. The actuator is located behind the center dash, towards the driver’s side (just above and to the right of…

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