Question about 2005 Audi A4
In Nov 08 I purchased a 55 Audi A4 2.0 TDI with 40k mileage.Soon after I noticed the car at tickover (950 rpm) to suffer from a rough idle and also engine stumbles to approx 900rpm (before recovering) when the revs drop e.g when coming to a halt. These problems are intermittent and are difficult to replicate.The car was inspected by an independent Audi specialist who diagnosed injector problems and under warranty had all 4 injectors replaced (not a cheap job). The problems continued. No warning lights appear but in desperation 2 months ago I booked the car in for diagnostic check at Audi dealership. No faults were found in system. Over the past week or so the rough idle is more evident. It has been suggested that the Dual Mass Flywheel may be at fault. Has anybody any ideas?
You could have a bad air flow sensor. Do you also have a lack of power??
Posted on May 13, 2009
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Posted on Jan 02, 2017
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