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2004 Alfa Romeo 156 JTS Sele 2.0L Poor Idle Quality, MIL Lamp on
Posted to European Driveability on 11/15/2010 4 Replies

Cleaned contacts for Lambda 1 and 2, problem came back after 2 weeks. Replaced Lambda 1, problem came back after 1 week. Please help. Thank you

4 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

2004 Alfa Romeo 156 JTS Sele

VIN ZAR9320000
Engine2.0 L / 4 cyl
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursIntermittently

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
P0159Heated Oxygen Sensor (Bank 2 Sensor 2) Slow Response
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
Message Closed w/FIX

car Vehicle Data

2004 Alfa Romeo 156 JTS Sele

VIN ZAR9320000
Engine2.0 L / 4 cyl
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursIntermittently

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
P0159Heated Oxygen Sensor (Bank 2 Sensor 2) Slow Response
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction