A flashing check engine light is your gmc acadia s way of saying i have a serious problem don t ignore me.
Flashing check engine light on gmc acadia.
Turn on the ignition but do not start the engine.
This flashing light should not be ignored.
When your engine is misfiring it is dumping raw fuel into the exhaust.
Allow the obd ii scanner to turn on and press enter to connect with the vehicle.
This flashing light should not be ignored.
Check engine light diagnosis testing.
A flashing check engine light is your gmc sierra s way of saying i have a serious problem don t ignore me.
Last week i was driving to work going about 60mph on a gradual uphill and the check engine light started flashing.
Gmc acadia vehicles with this problem.
Most of the time that serious problem is a misfire.
A flashing check engine light means that the problem is occuring at the moment and it s most likely a more serious problem like a misfire.
The vehicle was diagnosed by two additional unknown mechanics but not repaired.
Gmc acadia check engine light due to gas cap issue.
The following are warning lights and indicators found in vehicles built by gmc.
Posted august 13 2017.
As i slowed down the light stopped i then shut the truck off then restarted and went on.
To find out why your gmc check engine light is on read the fault codes with an obd ii scanner.
They are roughly ordered by importance which tends to be by color red amber yellow orange green blue gray.
Plug the scanner into the obd ii port.
I slowed down and pulled over.
A loose or worn gas cap may cause check engine light to illuminate.
The contact stated while driving at various speeds the check engine warning light illuminated.
Click a link to learn more about each one.
I have a 2015 1500 with the 5 3 and around 29 000 miles.
When your engine is misfiring it is dumping raw fuel into the exhaust.
Tl the contact owns a 2011 gmc acadia.
Most of the time that serious problem is a misfire.
The vehicle was taken to an independent mechanic where the coolant sensor was replaced however the failure recurred.
The problem is most likely a misfire combustion or a faulty engine sensor problem.
It s not recommended to drive with the check engine light flashing or on.
