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2009 Audi A4 Quattro Cabriolet 2.0L Poor Idle Quality, Hesitation
Posted to European Driveability on 9/20/2018 8 Replies

Very intermittent lean condition leading to rough idle. Short term fuel trim is pegging out. (freeze frame data shows, haven't got it to act up while in the shop yet) We've replaced the diverter valve and crankcase vent valves (both confirmed faulty) at ...

8 Replies Received (View Replies)

  Related Documents & Media  2009 Audi A4 Quattro Cabriolet

 
Message Closed w/FIX

car Vehicle Data

2009 Audi A4 Quattro Cabriolet

VIN WAUDF48H89
Engine2.0 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation
OccursIntermittently

Trouble Codes

P0507Idle Speed Control System Higher Than Expected
P1297Electrical Load Detector Circuit Low Input
P2187Fuel Trim System Rich At Cruise Or Acceleration (Bank 1)
P2279Intake Air System Leak
Message Closed w/FIX

car Vehicle Data

2009 Audi A4 Quattro Cabriolet

VIN WAUDF48H89
Engine2.0 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation
OccursIntermittently

Trouble Codes

P0507Idle Speed Control System Higher Than Expected
P1297Electrical Load Detector Circuit Low Input
P2187Fuel Trim System Rich At Cruise Or Acceleration (Bank 1)
P2279Intake Air System Leak