A flashing inspect engine irradiate is your Chevy Trailblazer’s means of speak “I have actually a severe problem, don’t overlook me”. Many of the time, the serious problem is a misfire. This flashing light have to not it is in ignored. Once your engine is misfiring, the is dumping raw fuel right into the exhaust. This raw fuel deserve to detonate, which causes damage to the catalytic converter and also the exhaust device itself.

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There can be other cases that can reason the examine engine irradiate to blink as well. It’s flashing to let you understand that if you save driving the vehicle, you room going to damage the catalytic converter and/or damage the engine in a meaningful way.


Blinking examine Engine irradiate Diagnosis: Chevy Trailblazer

There will constantly be problem codes associated with the check engine irradiate blinking. These problem codes will be able to tell you whereby to start searching down the problem. Right here are the most common issues that end up resulting in the check engine light to flash. But, monitor the OBDII codes. A password scanner is cheap. Usage it to uncover out specifically why your vehicles computer decided to speed this light.

Trailblazer examine Engine light Flashing because of Ignition Issues

The ignition mechanism is the most typical reason the the examine engine light will flash. The ignition system consists of spark plugs, plug wires, and the ignition coil package (older vehicles have a distributer that has the same role as coil packs). This parts work-related in concert to ignite the fuel in the burning chamber at simply the ideal time.

There are various other misfire related codes together well, but those are the most common ones.


Fuel system Issues

Keeping in mental that any kind of engine demands air, fuel, and spark for ignition, her Chevy Trailblazer’s fuel system deserve to often cause the engine to misfire. It can run as well lean or rich. Alternatively, there might not be sufficient fuel for suitable combustion, or the fuel isn’t atomizing properly.

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Other Issues: Flashing examine Engine Light- Chevy Trailblazer

While a bulk of the time, the flashing examine engine irradiate is going come be resulted in by a misfire related to your Trailblazer’s ignition system or fuel device (as declared above), there room other concerns that can reason it.

If you have VVT, it might be having actually issues. EGR- The EGR mechanism recycles burnt exhaust gasses back into the burning chamber. Crank/Cam Sensor- when the video camer or crank sensors are not being read by the ECM/PCM, it’s difficult to acquire the ignition time right. If friend Trailblazer does begin at all, it’ll run rough. It can be a more serious mechanically issue, such as as bend valve, negative lifter, etc….


We recommend that you don’t drive your auto if in ~ all possible until you diagnose and also fix your Trailblazer’s flashing check engine light. Simply pretend the it’s letting you recognize that it’s walk to price you way more money to deal with the difficulty if you save driving it. If there is anything that you would choose to add, please feel cost-free to leaving a comment below. An excellent luck!