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1999 Chevrolet C1500 Suburban 5.7L MIL Lamp on
Posted to GM Driveability on 3/24/2009 14 Replies

Vehicle was previously serviced for EGR codes with a replacement EGR valve from NAPA. Came back with MIL, p404 Digital EGR system open performance. Replaced gasket with screen gasket. Came back, while checking valve for malfunction, ear broke and valve was rep...

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  Related Documents & Media  1999 Chevrolet C1500 Suburban

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet C1500 Suburban

VIN 3GNEC16R3X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / VORTEC CFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0404EGR Control Circuit Range/Performance
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet C1500 Suburban

VIN 3GNEC16R3X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / VORTEC CFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0404EGR Control Circuit Range/Performance