That could mean either 1 of 2 things. 1) You are getting an intermittent trouble code from a sensor to the computer, which does not set a permanent "running" problem or "hard" code, or 2) the light should be on all the time, and has some kind of a short in it, which I really doubt is the case. Go to one of the big auto parts chain stores like Advance Auto-parts OR pep boys or Auto Zone and they will pull the codes for you with a code reader/scanner for free. Make sure you write down the codes, and we can narrow your problem.
How do you reset check engine light for the 2009 Chevy trail blazer?
Usually fast blinking means one of the light bulbs is burnt out or ready to go. Check that all your bulbs are working.
If the check engine light is blinking that means an engine cylinder misfire has been detected
Random cylinder misfire
Bulb may be blown or has been removed.
Check the fuse, check the bulbs and check the brake light switch, it should be one of those.
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.
The check gauge light on a 2000 Chevy blazer could be several things. The oil could be low or the other fluids may be low. Take notice of all the gauges. One or more may be out of its normal parameter notifying you there is a problem.
how do you replace dome light in s10 chey blazer?
At key on it should come on for a couple second "bulb check".
It is important to know why a Check engine light blinks. In many cars, when it blinks so many times, it is indicating a code, which is indicating the problem number for the specific car.
get it checked, because if the ligt blinks, something is wrong.