How many miles do you have to drive to reset engine light?
How many miles do you have to drive to reset engine light?
To make sure the check engine light does not reappear, it’s recommended that you drive your car 30 to 100 miles. This enables the vehicle’s “Drive Cycle” to reset, as the various sensors need time to recalibrate.
Why does my Chevy Trailblazer have a flashing check engine light?
A flashing check engine light is your Chevy Trailblazer’s way of saying “I have a serious problem, don’t ignore me”. Most of the time, that serious problem is a misfire. This flashing light should not be ignored. When your engine is misfiring, it is dumping raw fuel into the exhaust.
How to reset PassLock on a Chevrolet TrailBlazer?
This may work: 1. Turn on the ignition, with the engine OFF. 2. Attempt to start the engine, then release the key to ON (vehicle will not start). look at ‘security light’, after approximately 10 minutes it should shut off 4. Turn off the ignition, and wait 5 seconds.
How do you reset the engine light on a trailblazer?
Take the vehicle to a mechanic or perform the necessary repairs yourself before resetting the engine light. The light must be reset manually. Pop the hood open and locate the fuse panel cover in the engine bay.
When does the Check Engine light come on?
The check engine light on your 2003 Trailblazer comes on when regular maintenance is required, or when there is a problem related to the vehicle’s emissions control system. The check engine light can also, in rare instances, refer to various sensors related to engine performance.
How do you reset the Check Engine light on a trailblazer?
After you’ve completed the necessary work on your Trailblazer, you need to know how to reset the check engine light. Because fault codes are generated and stored on the Trailblazer’s electronic control unit, you’ll need to reset the system; otherwise, the light will stay on. Turn the ignition key to the “II” position.
What to do when your check engine light goes off?
Wait five minutes and then turn the ignition key to the “off” position. Place the fuses back into the fuse panel, in their proper location. Start your Trailblazer to verify that the check engine light went off. “Chevrolet TrailBlazer, GMC Envoy Repair Manual 2WD & 4WD 2002-2009”; Alan Ahlstrand, Ralph Rendina, John H. Haynes; 2009
Where are the IGN fuses on a trailblazer?
Then, pull the PCM BAT and PCM IGN fuses from the fuse panel. Use the fuse diagram on the underside of the cover to locate these fuses. Wait five minutes and then turn the ignition key to the “off” position. Place the fuses back into the fuse panel, in their proper location. Start your Trailblazer to verify that the check engine light went off.
What does it mean when check engine light is on but no codes?
No code being generated on the reader does not mean the driver is in the clear. In fact, when the light is on, the odds are just as high that there has actually been something wrong for a while even if no code is generated.
