Hesitation as boost increases - MAF O ring seals?

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
paul_23
3rd Gear
Posts: 287
Joined: Tue Apr 22, 2008 11:10 am
Location: Dubai

RE: Hesitation as boost increases - MAF O ring seals?

Post by paul_23 » Tue Oct 26, 2010 7:05 am

Andy - I agree it could be the ECU limiting it and yes it does happen in 4th and 5th only at 2700-3000 when the torque/boost is max. However, my car has developped it and it used to not do it so I think there is a boost/vac leak and/or N75 solenoid.

I will let you know what I find....and if I get time I could swap the MAFs - good idea!

gingertoss
3rd Gear
Posts: 355
Joined: Wed Aug 31, 2005 12:38 pm
Location: Glasgow

Post by gingertoss » Thu Nov 11, 2010 2:29 pm

Did you get to the bottom of this fault? Mine is showing very similar symptons.

Cheers
Grant

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