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2000 Chevrolet Express 2500 LS 5.7L Excessive Emissions, Poor Idle Quality, Misfire
Posted to GM Driveability on 2/24/2010 23 Replies

hi, everyone

this van was driven in ,running trouble look like running on 4 or 5 cylider, stored code were p0102, p0141 , p0171 . p0174 , p1351 , reman m.a.f , new ic installed but no improvment! on datastream show cylinder #2 and # 7 missing. fuel pressure ...

23 Replies Received (View Replies)

  Related Documents & Media  2000 Chevrolet Express 2500 LS

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 2500 LS

VIN 1GCGG25R1Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursAlways

Trouble Codes

P0102Mass Airflow Sensor Circuit Low Voltage
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P1351Mass Airflow Sensor Circuit Performance
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 2500 LS

VIN 1GCGG25R1Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursAlways

Trouble Codes

P0102Mass Airflow Sensor Circuit Low Voltage
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P1351Mass Airflow Sensor Circuit Performance