Turbo won't rev over 3k

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woodsy_mv6
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Location: West Sussex. Drives: Too many cars!!
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Turbo won't rev over 3k

Post by woodsy_mv6 »

Hi guys.
Long time since I posted on here!!

My 400 has recently started spluttering with any application of throttle. Idle's fine.
Quick searched suggest air leaks maybe the cause, but this is also occurring in neutral, under no load...

Anyone else experienced anything like this?
SHOOT THE PHOENIX FOUR; THE TRUE ASSASSINS BEHIND ROVERS DEMISE!! :glare

'99 Omega 3.0 MV6
'94 Rover 420 GSi Turbo
'85 Monza 3.0 12v GSE
'93 BMW 750iL
'04 Audi A2 1.4 TDi 90
'54 VXR220
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RoverRevival
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Location: Manchester

Re: Turbo won't rev over 3k

Post by RoverRevival »

Does it drive normally off boost? (rules out earths)
Is it like hitting a wall while on boost (leak in actuator pipe or actuator fail)
Last time it was serviced (old plugs can cause issue as well as dizzy cap and ht leads)

More info needed.
woodsy_mv6
Forum User
Posts: 165
Joined: Mon Oct 29, 2007 12:21 pm
Location: West Sussex. Drives: Too many cars!!
Contact:

Re: Turbo won't rev over 3k

Post by woodsy_mv6 »

It's just about drivable with virtually no throttle input.
Not getting that far.
Recent new plugs and leads, so will check the distributor.

Cheers. Will report back.
SHOOT THE PHOENIX FOUR; THE TRUE ASSASSINS BEHIND ROVERS DEMISE!! :glare

'99 Omega 3.0 MV6
'94 Rover 420 GSi Turbo
'85 Monza 3.0 12v GSE
'93 BMW 750iL
'04 Audi A2 1.4 TDi 90
'54 VXR220
User avatar
RoverRevival
Forum User
Posts: 7558
Joined: Fri Aug 26, 2011 8:08 pm
Location: Manchester

Re: Turbo won't rev over 3k

Post by RoverRevival »

check slam panel and gearbox earths as well.

For test grab a jumper lead and attach it to something earthable
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