I'm posting this for my brother whom I sold the car to a while back.
I have a 2000 b5 with a newly installed gt28rs ran great for a few weeks, blew a coil pack. Replaced the faulty one, and it was good to go. The next day it seemed to blow another one, or so i thought. Replaced all of them. Didn't fix the problem. I've replaced both o2 sensors and swapped MAFs and still no progress. I have good compression and good spark in all four. Here is the codes she is throwing.
Address 01: Engine
Part No: 4B0 906 018 P
Component: 1.8L R4/5VT G 0006
Coding: 07201
Shop #: WSC 06335
7 Faults Found:
16524 - Oxygen (Lambda) Sensor B1 S2: No Activity
P0140 - 35-10 - - - Intermittent
17964 - Charge Pressure Control: Negative Deviation
P1556 - 35-10 - - - Intermittent
17522 - Oxygen (Lambda) Sensor; B1 S2: Internal Resistance too High
P1114 - 35-00 - -
18014 - Rough Road/Engine Torque Signal from ABS: Electrical Malfunction
P1606 - 35-10 - - - Intermittent
18010 - Power Supply Terminal 30: Voltage too Low
P1602 - 35-10 - - - Intermittent
17524 - Oxygen (Lambda) Sensor Heating; B1 S1: Open Circuit
P1116 - 35-10 - - - Intermittent
17513 - Oxygen (Lambda) Sensor Heating; B1 S2; Heating Circuit: Short to Plus
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Any help would be great. I've checked the timing because I thought it might have jumped a tooth, but the timing looks good. The car was running well for several weeks on the GT28.
What / where is the Lambda sensor? I assumed that was O2 sensors, but new O2's didn't remedy the codes.
Is the 'charge pressure control' the waste gate controller or the diverter valve?
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