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Discussion Starter #1
So Bella isn't feeling well again. Seems it's been every two weeks or so since I got her back from getting a new transmission & brakes. Throttle control has been cleaned, brake sensor replaced and now the ABS and check engine light comes on.

Brakes have been acting kind of weird. Sometimes it's like they lock then seem to work fine when pressed again. Time to make another trip to the VW doc.:confused:
 

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5/23/10 <3
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You can go to Autozone and the like to scan the car for codes, and that will be free. We can then help point you in the right direction :)
 

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Since the brakes were just done, I would assume that work was warranted, I'd be beating feet back and let them take care of the ABS light; feel certain it's related to the work. Be firm, but tactful. They are going to pull the codes anyway, so get a report from them on the CEL DTCs. Then proceed on the CEL issue.

M.
 

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Discussion Starter #4
Stopped by Auto Zone on the way home And the codes are... praying this isn't going to cost a bundle. I still haven't recovered from the other repairs. :(

Any advice, thoughts, guidance is appreciated. I've accepted the fact as long as I love Bella, I'm probably going to be poor.


P1128
Long term fuel trim B1 system too lean
Explanation:
Failed MAF
Possible Cause:
Low fuel pressure
vacuum leak on engine
failed H02S (heated oxygen sensor) bank 1

P0411
Secondary Air injection system incorrect flow detected
Explanation:
Failed Air combination valve
Possible Cause:
Faulty air solenoid valve
faulty Air pump motor

P1340
CKP/CMP sensor signals out of sequence
Explanation:
Timing Belt jumped
Possible Cause:
Failed CMP or CKP sensor
Poor electrical connection

Thanks,
T~
 

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This is the one I wouerious concerns about.

P1340
CKP/CMP sensor signals out of sequence
Explanation:
Timing Belt jumped
Possible Cause:

Failed CMP or CKP sensor
Poor electrical connection

Need to look at these on the Wiki!

MORAV
 

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Discussion Starter #6
I had the timing belt and water pump replaced when I bought her last year. That was at 104k miles. We're at 128k now.
 

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Was the belt tensioner changed?

Your DTCs from the Wiki
17536/P1128/004392 - Fuel Trim; Bank 1 (Mult): System too Lean

Possible Symptoms

  • Malfunction Indicator Light (MIL) active
Possible Causes

  • Mass Air Flow (MAF) Sensor faulty
  • Oxygen Sensor Control faulty
    • Oxygen Sensor(s) faulty
  • Fuel Injector(s) faulty
Possible Solutions

  • Check Mass Air Flow (MAF) Sensor
  • Check Oxygen Sensor Control
    • Check Oxygen Sensor(s)
  • Check Fuel Injector(s)
Special Notes

Retrieved from "17536/P1128/004392 - Ross-Tech Wiki"

16795/P0411/001041 - Secondary Air Injection System: Incorrect Flow Detected

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON
Possible Causes

  • Fuel Pump Relay (J17) faulty
  • Hoses/Pipes to/between Components faulty/clogged
  • Secondary Air Injection Pump (V101) faulty
  • Secondary Air Injection Pump Relay (J299) faulty
  • Secondary Air Injection Solenoid Valve (N112) faulty
Possible Solutions

  • Check Fuel Pump Relay (J17)
  • Check Hoses/Pipes to/between Components
    • Check Secondary Air Injection Hoses/Pipes for Carbonization
  • Check Secondary Air Injection Pump (V101)
  • Check Secondary Air Injection Pump Relay (J299)
  • Check Secondary Air Injection Solenoid Valve (N112)
Retrieved from "16795/P0411/001041 - Ross-Tech Wiki"

17748/P1340/004928 - Camshaft Position Sensor (G40) / Engine Speed Sensor (G28): Incor. Correlation

Possible Causes

  • Timing Belt/Chain incorrectly installed
    • Timing Chain probably lengthened
  • Camshaft Position Sensor (G40) faulty
  • Engine Speed Sensor (G28) faulty
Possible Solutions

  • Check Timing Belt/Chain installation
    • Use Measuring Value Blocks (MVB) to Check Timing Chain
  • Check/Replace Camshaft Position Sensor (G40)
  • Check/Replace Engine Speed Sensor (G28)
Special Notes

  • When found in the 1.8T engine, check engine oil pressure. The oil pump pickup may be restricted.
  • When found in the 1.8T engine (possibly others too), check to make sure the correct G40 is installed (single gap versus 4 gap).
  • When found in VR6 4 Valve (BDF, BJS, BAA,) engines in conjunction with 17755 please see Technical Bulletin 15-07-03. The previous Technical Bulletin number was 15-04-01.
  • When found in a 30-valve V6 gasoline Audi engine (such as EPB or BEL), DTC 17755 may be stored as well. If both of these codes are displayed simultaneously, and the codes only appear after the motor is revved above 1800RPM, then the issue is likely that the cam chain tensioners were installed on the incorrect heads (drivers' tensioner on passenger head, etc).
Retrieved from "17748/P1340/004928 - Ross-Tech Wiki"

Now we can all have a better look!

M.
 

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Discussion Starter #8
Thank you for all your help! Looks like I will be making a trip to see DJ again. If only I were handy with a wrench and had a clue of how to fix things myself. I managed to get the lawn mower running this evening so maybe it's a step in the right direction. :D
 
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