P0299 underboost code most likely a leak somewhere in the intake system or related to the tune. Could you hear any air rushing or hissing sounds when climbing the grades?
P05A1 is the front active grill shutters. they probably removed them to fit the intercooler, thats never going away.
P0299 is underboost. it means its not getting the expected/requested boost pressure. Could be tune, could be an air leak in the intake tract. They have touched both. I cant help...
...reappeared. They turned off momentarily when I stopped the vehicle, but soon came back on. Upon reaching home, I discovered the error codes P0299 00 E8 and P05A1 00 6D. The same issue occurred again with the error codes P0299 00 65 and P05A1 00 6D. I returned the car to the shop, and they...
...Lost Communication With Steering Column Control Module
IPC: U0415 Code: Invalid Data Received From Anti-Lock Brake System (ABS) Control
PCM: P0299 Turbocharger/Supercharger A Underboost Condition
PCM: P05A1 Active Grille Air Shutter "A" Position Sensor Minimum / Maximum Stop Performance...
P0299 is the turbo... I've seen the error code before on the Ranger and F-150.
In my case all it took was swapping out the air filter, but these were worksite trucks that are not taking care of and are sucking in dust and other junk all day every day. Obviously at 1900 miles you shouldn't have...
...back and started it now the wrench and the check engine lights were both on. I used a code reader to check what the issue was and it gave me P0299 “Turbo A Under Boost Condition”. Now the wrench has gone away and I just have the check engine light. Vehicle still seems to be running fine. Has...
...pointed out, since both turbos failed at the same time, I suspect there is a missing bit of info here.
When my blowoff valve started failing (p0299), I stopped by the local Ford dealer and without even looking at it, the service mgr said that they would likely have to replace the turbos and...
...-Cap-less fuel door flap
-Not going to mention dual clutch because Bronco won’t have it.
-paint peeling
-Stereo or amplifier
-TWIN TURBOS! P0299! Worst fricken code to ever see on a v6 twin turbo!
-P0299, please check blow off valve before replacing turbos!! Best thing in the world is to...