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2009 Chevrolet Express 2500 4.8L Oxygen Sensors
Posted to GM PowerTrain on 1/22/2013 6 Replies

This van just got a new throttle body because of a TPS code. The lean upstream O2 codes have been there before that repair and were cleared and keep coming back. Are these common for intake manifold leaks? I cannot find a test port for fuel pressure but there ...

6 Replies Received (View Replies)

  Related Documents & Media  2009 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Express 2500

VIN 1GCGG25C49
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedOxygen Sensors
ConditionsReading Lean
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Express 2500

VIN 1GCGG25C49
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedOxygen Sensors
ConditionsReading Lean