Easy lifehacks

What causes a Chevy Avalanche to throw an OBDII code?

What causes a Chevy Avalanche to throw an OBDII code?

The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in order to be ignited in the normal combustion process. When the EVAP control system vent control circuit no longer responds to the ECU, it will throw the P0446 OBDII Code.

Are there any problems with the Chevrolet Avalanche?

Cladding trouble. Soon after the release of the Chevrolet Avalanche, customers began to notice cosmetic problems with the cladding on their vehicles. Over time exposure to heat and sunlight would cause a chalky faded appearance. It was especially noticeable on the cargo bed panels, and sail-panel windows where “Zebra Striping” would appear.

What kind of ethanol does a Chevrolet Avalanche use?

Later models introduced another version of the Vortec 5.3-liter V8 as the engine is now capable of running on E85 ethanol.

Why does my Avalanche have a gas smell?

P0446 may also cause a slight gas smell. This is due to it being related to the system that deals with fuel vapors. P0446 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing (Avalanche or not).

Are there any problems with the Chevy Avalanche?

Loading Curious how the 2004 Avalanche compares to other years? Check out our Chevrolet Avalanche overview to see the most problematic years, worst problems and most recently reported complaints with the Avalanche.

Why is the fuel gauge on my Chevy truck not working?

The most common problem with the fuel gauge reported by Chevy truck owners is a complete failure to register the fuel level. The fuel gauge sits on empty, even after you’ve just filled up the tank.

What causes a GM truck engine to misfire?

It’s when one of these three (air, fuel or spark) are missing from the mix that the engine in your GM pickup, van or SUV starts to misbehave and misfire.

What causes the p0174 code on a Chevy?

The P0174 code could also be caused may be caused by one or more of the following: debris on the MAF sensor causing an incorrect reading, improper oil level, low or high fuel pressure, or Engine Control Temperature (ECT) Sensor reading inaccurate. The cost to diagnose the P0174 CHEVROLET code is 1.0 hour of labor.

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Ruth Doyle