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A flashing "check engine" light typically means that the computer has detected a serious problem and you should take care of it immediately.
You'll need a diagnostic scanner to find out what's wrong. They are typically available at most auto parts retailers. Depending on where you go, they'll often help you plug in the scanner and figure out what it means.
What else can I help you with?
What does it mean when your check engine light starts flashing on a 97 Chevy blazer?
You have a severe misfire. See related questions below.
How do you reset check engine light for the 2009 Chevy trail blazer?
How do you reset check engine light for the 2009 Chevy trail blazer?
Why check engine lights flash on 1997 Chevy astro van?
A flashing check engine light is an indication of a misfire.
Engine running lean 95 Chevy blazer?
Check for vacuum leaks.
Why does Chevy blazer have rough idle and engine shake at idle?
Check the motor mounts.
What is check engine light po300 mean for a Chevy blazer?
Random cylinder misfire
Can you drive your truck 2003 Chevy Silverado with the check engine light on?
Yes but, if the light is flashing no.
Why is the check engine light keeps flashing on 2006 Chevy Malibu?
There is an engine misfire, probably spark plugs issue.
Chevy flashing check engine?
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions. If the check engine light is flashing a misfire has been detected
Why would you have no heat in your 98 Chevy Blazer?
Check the engine thermostat. Its probably stuck open.
Why does the check engine light not work on your 2002 Chevy blazer?
Bulb may be blown or has been removed.
How do you check transmission fluid on a Chevy Blazer?
The transmission fluid on a Chevy Blazer can be checked by idling the engine and allowing it to reach operating temperature. The dip stick can then be removed and checked based on the markings provided.
