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Discussion Starter · #1 ·
i have never really dealt with the 1.8t motor and am no mechanic either, but we bought an 02 passat for my brother, after the timing belt broke and the previous owner pulled and lost/sold/used as paper weight/scrapped the head. we bought the car and took it to a mechanic that sold us a head that had a few bent valves which we in turn took to a machine shop where they replaced 9 valves and did a valve job.
the mechanic put it all back together and the car runs and drives but it has no power and even in neutral revs very slow. i scanned it and it came back with this....
Address 01: Engine
Control Module Part Number: 4B0 906 018 CM
Component and/or Version: 1.8L R4/5VT G 0004
Software Coding: 0016551
Work Shop Code: WSC 00028
10 Faults Found:
16396 - Bank 1: Camshaft A (Intake): Advance Setpoint not Reached (Over-Retarded)
P0012 - 001 - Upper Limit Exceeded - MIL ON
16717 - Knock Sensor 2 (G66): Signal too High
P0333 - 001 - Upper Limit Exceeded - Intermittent
16712 - Knock Sensor 1 (G61): Signal too High
P0328 - 001 - Upper Limit Exceeded - Intermittent
17748 - Camshaft Position Sensor (G40) / Engine Speed Sensor (G28): Incor. Correlation
P1340 - 001 - Upper Limit Exceeded - Intermittent
17763 - Cylinder 1 Ignition Circuit: Open Circuit
P1355 - 004 - No Signal/Communication - Intermittent
17769 - Cylinder 3 Ignition Circuit: Open Circuit
P1361 - 004 - No Signal/Communication - Intermittent
17772 - Cylinder 4 Ignition Circuit: Open Circuit
P1364 - 004 - No Signal/Communication - Intermittent
17766 - Cylinder 2 Ignition Circuit: Open Circuit
P1358 - 004 - No Signal/Communication - Intermittent
16725 - Camshaft Position Sensor (G40): Implausible Signal
P0341 - 004 - No Signal/Communication - Intermittent
17939 - Camshaft Timing Adjustment: Open Circuit
P1531 - 004 - No Signal/Communication - Intermittent
Readiness: 0000 0000
i dont know if this is all caused by 1 problem or this thing is really screwed up.
it felt like the timing was off but i was told that it will bend valves if its off even a tooth.
i was also told that it could be the turbo but i dont see how the turbo can throw all those codes.
anyone ever deal with anything like this? i need your help 1.8t engine forum!!
 

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Yep sound like cam timing is off. Not sure if 1 tooth off with hit a piston but it's worth starting at doing a comp test then pulling the valve cover to see if the cam are at tdc when the motor is at tdc. Also check to make sure the cams are 14 link apart I believe it is.
 

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Re: (velocity196)

the shop let it go with all these codes? after a serious job like that i would hope they would put it through a drive cycle. make sure they plugged everything back in first.
 

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FV-QR

all the codes intermittent is probably from when they worked the car and turned the key on with everything unplugged, clear the codes, those should clear, but the first code looks to be incorrect cam timing when the head was reassembled.
 

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Discussion Starter · #5 ·
Re: FV-QR (theswoleguy)

scanned it again and came back just with this code
16396 - Bank 1: Camshaft A (Intake): Advance Setpoint not Reached (Over-Retarded)
P0012 - 001 - Upper Limit Exceeded - MIL ON
checked the timing and it was dead on so we changed the sensor thats on the cover in front of the intake camshaft. that was the problem. car pulls a lot better now and no more codes.
but the turbo is bad too. smoke and noise. but at least we know what to do now
 
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