× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1998 Chevrolet Lumina 3.1L MIL Lamp on
Posted to GM Driveability on 11/28/2007 10 Replies

Does anyone know the amount of vacuum change the PCM is looking for during the EGR test?

10 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet Lumina

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Lumina

VIN 2G1WL52M2W
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursOn Decel, Intermittently

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Lumina

VIN 2G1WL52M2W
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursOn Decel, Intermittently

Trouble Codes

P0401EGR System Insufficient Flow Detected