Flashing Check Engine Light On Gmc Acadia

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. A flashing check engine light is your gmc acadia s way of saying i have a serious problem don t ignore me.

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The vehicle was diagnosed by two additional unknown mechanics but not repaired.

Flashing check engine light on gmc acadia.

Allow the obd ii scanner to turn on and press enter to connect with the vehicle. A loose or worn gas cap may cause check engine light to illuminate. This flashing light should not be ignored. Turn on the ignition but do not start the engine.

Locate the obd ii port under the dashboard. Gmc acadia check engine light due to gas cap issue. Most of the time that serious problem is a misfire. When your engine is misfiring it is dumping raw fuel into the exhaust.

Plug the scanner into the obd ii port. Last week i was driving to work going about 60mph on a gradual uphill and the check engine light started flashing. The vehicle was taken to an independent mechanic where the coolant sensor was replaced however the failure recurred. 2015 gmc sierra 1500.

The contact stated while driving at various speeds the check engine warning light illuminated. As i slowed down the light stopped i then shut the truck off then restarted and went on. Check engine light diagnosis testing. Gmc acadia vehicles with this problem.

The following are warning lights and indicators found in vehicles built by gmc. 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. This flashing light should not be ignored.

To find out why your gmc check engine light is on read the fault codes with an obd ii scanner. A flashing check engine light is your gmc sierra s way of saying i have a serious problem don t ignore me. They are roughly ordered by importance which tends to be by color red amber yellow orange green blue gray. Tl the contact owns a 2011 gmc acadia.

41 people reported this problem repairpal fair price estimate. I have a 2015 1500 with the 5 3 and around 29 000 miles. Posted august 13 2017. When your engine is misfiring it is dumping raw fuel into the exhaust.

Click a link to learn more about each one. I slowed down and pulled over.