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ECM-6805 - Overboost?

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R
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matthew1  
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Year and Model: 850 T5, 1997
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Re: ECM-6805 - Overboost?

Post by matthew1 »

nebletic wrote: ↑13 Jun 2024, 10:06
jonesg wrote: ↑09 Jun 2024, 10:34 i'd test the wastegate function,
make sure theres a slight preload on the actuator rod, should't rattle around..

Hey, yeah there's no rattle, it seems all fine to me. Maybe readjusting it would help?
I'd turn down the wastegate action so that it opens sooner.

https://www.matthewsvolvosite.com/modif ... ator-rods/ - follow the link to the forum topic on that page for more context. Even more context - https://www.matthewsvolvosite.com/?s=adjust+wastegate
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1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

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