Either try disconnecting the battery for about 10 mins. or have vehicle scanned to determine the problem and have codes cleared
There are many sensors that can trip the check engine light to come on.
How do you reset check engine light for the 2009 Chevy trail blazer?
It requires a scanner to properly diagnosis a check engine light.
My older Blazer has a 'check engine' light and also a 'check gauges' light. When the 'check gauges' light is on, check your other gauges like the temp and volt gauges. One of them may be showing something different than normal.
95 s10 blazer has a miss and check engine light does not come on and exhaust smells gassy what could it be
With a scan tool.
Bill Greene
The check engine light is triggered by the Engine Control Module (ECM). The ECM receives information from many sensors and determines when to illuminate the check engine light.
The check engine light on a Chevrolet Colorado can be rest by connecting an OBD II code reader to the vehicle's computer . Each of the codes can then be reset which will turn the associated light off.
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.
Random cylinder misfire
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.