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2018 Chevrolet Equinox LT 1.5L Poor Idle Quality, Surge, Stall
Posted to GM Driveability on 6/26/2025 11 Replies

This came to us with the customer thinking it was a transmission issue. The car will stall on first start up if it idles or if you take off right away it will stall at a stop. It seems to run normal after the engine is warmed up though. Does it in park, ne...

11 Replies Received (View Replies)

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car Vehicle Data

2018 Chevrolet Equinox LT

VIN 2GNAXSEV9J
Engine1.5 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Stall
OccursCold, Idle

Trouble Codes

P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage
P0300Multiple Misfire Detected
P050FBrake Booster Week Vacuum
P16DCElectric Vacuum Pump Relay 2 Stuck On
Open Help Request

car Vehicle Data

2018 Chevrolet Equinox LT

VIN 2GNAXSEV9J
Engine1.5 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Stall
OccursCold, Idle

Trouble Codes

P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage
P0300Multiple Misfire Detected
P050FBrake Booster Week Vacuum
P16DCElectric Vacuum Pump Relay 2 Stuck On