Services Performed
- Verified customer concern found engine light is on for P0171 system too lean P0299 engine under boost performed inducing smoke into the system found no visual leaks while the vehicle running performed monitoring live data found the mass airflow sensor intermittently reads erratic. during test drive felt vehicle intermittently hesitant on acceleration which can also be caused by MAF sensor reading incorrectly. if p0299 code comes back then if very likely that the turbo is failing. also found oil leaning form vacuum pump which can cause lean issues due to it being directly involving vacuum/air. recommend replacing the mass air flow sensor, vacuum pump w/ gasket and seal and recheck after clearing the code
- MASS AIR FLOW SENSOR – Remove & Replace – w/Air Temp Sensor
- VACUUM BRAKE BOOSTER PUMP – Remove & Replace
Paquita B. gave our service a 5 star review on 6/23/2026