2018 Toyota Corolla
Mileage
81,951
Service Date
10/26/2023
Services Performed
- Current codes: P0171 fuel trim lean B1 & P1604 engine start malfunction History codes: P0441 incorrect purge flow & P0455 gross evap leak Monitored fuel trim, MAF, and sensor data. Found the combined fuel trim to be + 45% at idle and normal while driving. Checked for vacuum leaks = none. Tested vacuum through purge & booster. Found the purge has constant vacuum passing through even when disconnected electrically. When capped off, the fuel trim corrected.
- EVAPORATIVE CANISTER PURGE SOLENOID – Remove & Replace – Purge Valve
Steven Jr E. gave our service a 5 star review on 11/3/2023