17705/P1297/004759: Difference between revisions
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* Diverter Valve faulty | * Diverter Valve faulty | ||
* Throttle Body dirty | * Throttle Body dirty | ||
* Vacuum leak | |||
==== Possible Solutions ==== | ==== Possible Solutions ==== | ||
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* Check / Replace Diverter Valve | * Check / Replace Diverter Valve | ||
* Check / Clean Throttle Body | * Check / Clean Throttle Body | ||
** Perform Throttle Body Alignment | ** Perform [[Throttle Body Alignment (TBA)]] | ||
* Check for Vacuum leak(s) including PCV system | |||
==== Special Notes ==== | ==== Special Notes ==== | ||
Revision as of 20:05, 1 June 2012
17705/P1297/004759 - Pressure Drop between Turbo and Throttle Valve (check D.V.!)
Possible Symptoms
- Malfunction Indicator Light (MIL) ON
- Power Loss
Possible Causes
- Leaking Hoses and/or Pipes between Components
- Boost Pressure Control Valve (N249) faulty
- Diverter Valve faulty
- Throttle Body dirty
- Vacuum leak
Possible Solutions
- Check Hoses and Pipes between Components
- Check / Replace Boost Pressure Control Valve (N249)
- Check / Replace Diverter Valve
- Check / Clean Throttle Body
- Perform Throttle Body Alignment (TBA)
- Check for Vacuum leak(s) including PCV system
Special Notes
- Did anyone install an extra (wrong) dump valve?
- When found in the NAR 2.0T (BPY) check RVUTB: 01-09-03 or 2018919 for updated Crankcase Breather Valve
- If the breather valve is faulty, full engine vacuum is typically found when removing the oil cap at idle.