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2000 Saturn LS2 3.0L MIL Lamp on
Posted to GM Driveability on 10/12/2011 6 Replies

customer brought vehicle in to get check engine light fixed. pulled code #P0401 for EGR system. has .74v at all time and duty cycle is 0. checked all wiring. all powers and grounds are good. has no other running issues and idles fine.

6 Replies Received (View Replies)

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car Vehicle Data

2000 Saturn LS2

VIN 1G8JW52R5Y
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Misc.EGR System

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed

car Vehicle Data

2000 Saturn LS2

VIN 1G8JW52R5Y
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Misc.EGR System

Trouble Codes

P0401EGR System Insufficient Flow Detected