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