406 exec petrol turbo

Discuss, ask, or get help with engine and mechanical queries in here.

Moderator: Moderators

Post Reply
bones660
Newbie
Posts: 2
Joined: Fri Apr 10, 2009 8:36 pm

406 exec petrol turbo

Post by bones660 »

hi all . i have a petrol turbo 406 . just fitted a new turbo [old turbo seized]. plus oxeygen sensor . [ to stop the pinking] . found out it was not the lambda sensor . as still pinks . it tends to pink from 3 gear up when you excelerate . power seems to be down . ie doesn't feel as if the turbo is boosting like it should . compare it to a 21 turbo . the 21 will eat it . i know the 21 has a bigger turbo . but i feel there should be more turbo feel than there is . also i get a strong smell of petrol coming from the drivers side . but have found no fuel leaks . any ideas and help would be much appreciated . 8)
User avatar
mjb
Site Admin
Posts: 7983
Joined: Wed May 31, 2006 9:06 pm
Location: Stoke

Re: 406 exec petrol turbo

Post by mjb »

The turbo on those things is VERY subtle (but you'll know if it's not there :shock:), combined with the lazy valve timing and soft seats+suspension means it feels a lot slower than it is.

Pinking is also common on these things. Never worked out why...
<steve_earwig> I think this forum is more about keeping our cars going with minimal outlay than giving our cars more reason to go bang
User avatar
Doggy
Mod with a 2.2 HDi, De-Fapped!
Posts: 10710
Joined: Mon Oct 13, 2008 11:49 pm
Location: Northants

Re: 406 exec petrol turbo

Post by Doggy »

Knock sensor / connections?
2002 HDi 2.2 Exec Estate, (2008-12) (wonderful)
2003 HDi 2.2 6-speed Exec Estate (2012-19) (also a gem)
2009 Citroen C5 2.0 HDi VTR+ Estate (godawful heap)
2008 BMW E91 330i touring (great fun - murdered by a reversing SUV)
2007 BMW E91 325i touring (slower smoother quieter)
bones660
Newbie
Posts: 2
Joined: Fri Apr 10, 2009 8:36 pm

Re: 406 exec petrol turbo

Post by bones660 »

dogslife wrote:Knock sensor / connections?
where is the knock sensor located on these cars . :idea:
Post Reply