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When troubleshooting boost issues I have found the following test useful. Temporarily disconnect the W hose from the BPC (the middle one). Take the car for a test drive and accelerate briskly, but briefly, in 4th. If the turbo is working properly this should result in an over boost situation which you should feel and (if your boost gauge is working properly) see as the gauge moves into the red. If you get overboost it points to the BPC as a problem or potentially the ECU. IF no overboost then the turbo system has a problem (wastegate disconnect, vacuum leaks, bad turbo etc)
Do a search - most of us have been down this road.
posted by 75.68.118...
Posts in this Thread:
- mid-yellow boost, Ben, Mon, 6 Jun 2011 07:40:14
- Awesome. Thanks guys n/m, Ben, Tue, 7 Jun 2011 09:34:56
- simple but informative test, bmacb
, Mon, 6 Jun 2011 09:48:02 <-- Viewing This Message - Re: mid-yellow boost, martin, Mon, 6 Jun 2011 09:01:35
- additionally, Ben, Mon, 6 Jun 2011 07:49:36
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