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Discussion Starter · #1 ·
Chasing a limp mode issue and have read pretty much every thread available on this and other sites. Changed the usual stuff MAF, Map, vacuum hoses. Van has egr blank, decat. I've tested the MAF voltages (ok) and the N75 resistance which is just about in spec 25ohms. Wastegate appears to operate correctly and my boost gauge shows 15psi of boost when not in limp mode. I run some vcds live tests on the weekend for banks 3,10 and 11. It appears to be underboosting on bank 11 but over posting on bank 10?. I've attached screenshots of the figures if anyone can decipher them.
Cheers
 

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