03 audi a4 Quattro 3.0 wont start.

Asked by timgordon Aug 01, 2017 at 02:44 PM about the 2003 Audi A4 3.0 quattro Sedan AWD

Question type: Maintenance & Repair

After buying my A4 Audi 3.0 6-speed I
noticed the car was shaking after a month
the flashing engine light I put a tester on it it
came back as multiple misfires on the coils I
couldn't afford to fix it at the time couple
weeks went by I started the car up shook
pretty hard would barely go when I
accelerated it I stopped the car try to start it
back up now wont start I replace spark
plugs and coils.still nothing. ..please help

2 Answers
45,325

Deathjam4 answered 6 years ago

the older cars with the 3.0's have always had issues. For starters go over your crank cases hoses and check them all by pulling the tip off the head cover likely will be sludgy as hell. Also look for signs of breaks. The crank cases hoses always break in these cars after a few years and cause idle and running issues. after that look for a little computer think its called an ignition control unit should be 1 for each side of the engine likely located on a air box. this modual will often go after a 150,000 km or so. It will cause miss fires and shakes as well as not running condition. Would be a good thing to change the fuel filter while your at it as well no telling what the previous owner put in it for fuel.

Mark helpful

timgordon answered 6 years ago

After i just changed the plugs and ignition coils the codes it showing now are intake air temp sensor to high signal and cam...g301 g300 g164

Mark helpful

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