There are a number of sensors and controls that can cause this problem (mainly MAF, TPS, IAC motor, EGR valve, O2 sensor) and you will have to figure out which one (or more) is causing the problem. First check for error codes with an OBDI code checker and follow up on the results.
SOURCE: Engine bogs down and shuts off while driving down the road.
could be vgr valve or the brain box trying to go out vgr valve u can remove and scrape the carbon deposits off using a wired brush alot of times when it is the vgr valve thats all it is they vary rarely have to be replaced
SOURCE: engine bogs down at 3500 rpms and low trac and or abs light comes on
You are spinning your tires ... read your manual ... shut off the traction control .... spin away!
SOURCE: 2002 Audi A4 3.0 Stalling and bogging down majorly.
Ignition coils has to be the answer. if it was the fuel pump your car wouldnt start. So i would say contact audi. they should have sent you a letter in the mail. We have the same car and i got a letter from them. ignition coils are the recall for the 02 a4.
SOURCE: what would case my 99 gmc jimmy to bog down and run rough when giving it gas
If you have replaced the fuel filter this year, the next thing to check is fuel pressure with a gauge. GM vortec engines require 60psi or more to run.
If the check engine light is on you should also have the computer scanned for trouble codes.
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