Car Stalling when idle in traffic

Asked by Kay Apr 17, 2017 at 04:04 PM about the 2008 Audi A4 2.0T quattro Sedan AWD

Question type: Maintenance & Repair

I have a 2008 Audi A4 that has been giving a bit of trouble. Last month we had a tune up, last week we have the fuel pump replaced, and still our car continues to stall on us. IT seems to give the most trouble when it's hot and/or when we're in stuck in traffic. The car will shake really hard and then just shut off. When we turn the key, it tries to kick over but fails. It takes at least 20 mins before it will turn back on. The engine light keeps going on and off. What could the issue be? We thought it was the fuel pump but it's still stalling.

3 Answers
70,075

Kelly answered 7 years ago

OK.. THERE WAS AFuel Pressure Sensor Recall in June '08 JUST IN CASE YOU DIDNT KNOW........ SO THE FUEL FILTER WAS ALSO REPLACED..IM SURE IT WAS....WAS IT....FUEL LINES CLEAN / BLOWN OUT...NEW PUMP PRESSURES CHECKEC AT START (KEY ON ) AND RUN ??? FPCM (Fuel Pump Control Module) is operating properly. Low fuel pressure or volume may be the end result of a fuel supply problem including an incorrect fuel filter when the pressure regulator is integral....

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Kay answered 7 years ago

HI Kelly, Fuel Filter was replaced in Jan or Feb. Fuel pump wasn't replaced until last week.

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70,075

Kelly answered 7 years ago

HI, CAN YOU /SOMEONE TAKE THE AIR CLEANER AND TUBE/HOSE ASSEMBLY OFF .GET 2 CANS OF CARB CLEANER ..SPRAY 1 CAN IN AND AROUND THE THROTTLE FLAP THAT OPNENS AND CLOSES WITHE YOUR GAS PEDDLE AND THE OTHER SPRAY IT IN AND AROUND THE THROAT WHILE REVING AND IDLING AND REVING THE RPMS SOMEMORE.. THERES A SENSOR IN THERE THAT COULD BE DIRTY WITHOUT ME GOING INTO MORE DETAIL.

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