Intake vacuum shows about 15in when idling smoothly and not revving up. Crankcase vacuum tested at the oil dipstick port is 0 inches of water so no porosity in the head. We have smoked the turbo piping/intake and there is no leaks anywhere, we have replaced the valve cover with no change, replaced the intake manifold (found the orange check valve was missing) no change, put a test pipe in place of downstream cat with no change, pulled upstream cat and verified turbine wheel spins and wastegate is not broken, cleaned the throttle body with no change, cleaned the MAF with no change, installed new boost sensor and MAP sensor with no change. Hello, Im having issues with my P0299 code on my 2015 Buick Encore (I know its not Chevy. Neither the MAP or the boost sensor drop from those readings once the car is running. MAP shows 99kpa KOEO, boost pressure sensor shows 96kpa KOEO, and Baro shows 99kpa KOEO. Join us as we define the code, discuss its severity. Calculated air flow shows about 14.2g/s at idle and the MAF is reading 7.6g/s at idle. The P0299 code results from low air pressure coming to the turbine of the turbocharger. Generic Diagnostic Trouble Code (DTC) P0299 indicates an underboost condition regarding your car. Stigan Turbo Turbocharger For Chevy Cruze Sonic Trax & Buick Encore 1.4T EcoTec - Stigan. Long term fuel trims go all the way to -31 and the idle sits and hunts. 2015 2016 2017 2018 2019 for Chevrolet Cruze 2016 for Chevrolet. Cleared the codes and P1101 comes while the vehicle runs for maybe 10 seconds. 2015 Buick encore 1. 2015 Buick encore 1.4 Turbo Vin: Had Code. Charge Air Cooler (CAC)Charge Air Cooler (CAC) Restricted. Vehicle came in with limp mode engaged and P1101, P0068, P0101, and P0299 set. Air Leak Between Turbocharger and Throttle Body.
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