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Old 02-17-2012, 10:20 AM
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Join Date: Sep 2009
Posts: 78
PO243 Test Procedure

Can someone PM the test procedure for vacuum and electrical to troubleshoot this code?

I think the wastegate solenoid is sticking because the problem happened during very cold weather. It only happened twice in the last month, car runs fine once the engine is warm after engine reset.

I am not concerned about the problem but I would like to perform the test procedure to learn how the system works.


Mike Nemec
99 E300D
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Old 02-17-2012, 01:14 PM
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
PM me your email and I'll find it this weekend.
Terry Allison
N. Calif. & S. of Key West

09' E320 Bluetec 77k
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