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2004 Chevrolet Suburban 1500 LT 5.3L Check engine lite
Posted to GM Driveability on 3/1/2011 14 Replies

Found code po441, emissions problem, but cannot find code in alldata. Alldata only gives me an option for flex fuel but this is not a flex fuel suburban. Needs to find problem for customer... Car is running fine but we keep having the same issue.

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car Vehicle Data

2004 Chevrolet Suburban 1500 LT

VIN 1GNEC16Z04
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsCheck Engine Lite
Message Closed

car Vehicle Data

2004 Chevrolet Suburban 1500 LT

VIN 1GNEC16Z04
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsCheck Engine Lite