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Check valve causing check engine light to come on 2005 Trailblazer?
Wiki User
∙ 15y ago
I think you are talking about the secondary air check valve.
Come to our enthusiasts forum and post your question there with the trouble code (Pxxxx)
www.trailvoy.com All the Answers for your Trailblazer
Wiki User
∙ 15y ago
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How do you check for check engine light codes for a 2005 Chevrolet trailblazer?
With a scan tool.
Will the headlights cause check engine light to come on in 2003 trailblazer?
No
Check engine light and hesitationon 2006 TrailBlazer with 49000 miles?
The check engine light indicates the computer has found a fault and stored a fault code. Many auto parts stores will pull the code for free and tell you what may be causing the issue.
What do you do if the check engine light comes back on after replacing the speed sensor?
I had all sensors replaced in my 03 Trailblazer and the check engine light stiil comes on. Why?
How to reset check engine light on 2004 trailblazer?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Check engine light is on engine bogs down 2002 Chevy trailblazer?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Chevy Trailblazer check engine light?
The check engine light sets a code for diagnostics and you need a code reader. Most auto parts stores sell code readers and most will check the codes for free.
After changing the number 2 coil pack 0n a 2007 trailblazer the engine still misses what else should you check?
Check the fuel injectors
What does the check engine light look like on a 2005 trailblazer?
In US it says "SERVICE ENGINE SOON" in Canada it looks like an engine.
Topic Check engine soon light 1995 Chevy pu automatic Check engine light comes on intermit and cause transmission to jump hard?
Transmission jumping hard is the malfunction causing check engine light to come on,most likely its the tcc solonoid causing this or a possibility of causing this.
What does diagnostic code 410 mean for the check engine light on a 2004 trailblazer?
The diagnostic code 410, on your 2004 Chevrolet trailblazer, is a reference to a vacuum hose problem. Check the vacuum hoses to make sure they are all connected.
Why Check engine light on why vibrating going in overdrive?
your engine might be overheated, causing the vibrations
