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1997 Chevrolet Express 1500 5.0L MIL Lamp on
Posted to GM Driveability on 5/26/2005 5 Replies

Thanks in advance,I have a wierd one, failed obd 2 em. This is setting a po430 and passing a 420. Strange thing is it is a one cat system. The van has 4 o2 and the only post cat is sensor b1s3. Yes it is aftermarket cat ( second one )but the the rear o2 is dea...

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  Related Documents & Media  1997 Chevrolet Express 1500

 
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Express 1500

VIN 1GBFG15M2V
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Express 1500

VIN 1GBFG15M2V
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)