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Discussion Starter · #1 ·
Hi,
2000 Beetle with the codes noted in title.
16684 Random multiple cylinder misfire
16685 Cylinder #1 misfire, and finally
17536 Fuel trim, bank 1 too lean

Seems like coil or power stage related. Car seems to run fine at this time. Anyone been here, maybe something stupid like a spark plug wire that's loose, which I will check now? Thanks
 

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Re: DTC's 16684, 16685 and 17536 (MilanoMike)

haha, i'm going nutz at work with these cars.
FIRST, do a compression test on all the cylinders, i've seen these motors shot when the DTC's are only for one cylinder misfiring. if it has cylinder 2&3 or 1&4 grouped together it is the coil, but single cylinders are usually the plugs or the actaul motor itself in that cylinder(rings)
 

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Discussion Starter · #4 ·
Re: DTC's 16684, 16685 and 17536 (wobbuiltgli)

The scanner is a vag com, that I'm just learning. Can you tell me how to check with the vag com? In the mean time, I'll see what Bentley says. Thanks in advance.
Mike
 
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