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A3 turning but not starting?

Old 07-31-2018, 07:16 PM
1st Gear
Thread Starter
Join Date: Jul 2018
Posts: 1
Default A3 turning but not starting?

2003 A3 2.0 FSI, 114k miles, AXW engine code

First post to the forum, my A3 turns over but won't start. The 2 fault codes that come up are P0341 and P0420. The first one is related to the camshaft sensor, which I have now replaced however that seems to have made no difference. The check engine light is not on. From what I've read it seems that either fault code can be causing the car not to turn on so I want to narrow the problem down before spending money. The fuel pump works, air filter isn't clogged and I can't find any blown fuses.

Please can anyone help??

Last edited by vanya; 07-31-2018 at 08:06 PM.
Old 08-24-2018, 06:37 PM
SoCal Crew Member
Join Date: Nov 2006
Location: SoCal/ Norcal
Posts: 2,317

check the wiring to the cam/crank sensors. check the pins for corrosion/bent

check the fuses very carefully..... I had a fuse test good with a DVM but then when load was applied would not start.... had a no spark condition... finally pulled the fuses to find one was damaged.

good luck

check timing belt and compression too
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