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Old 31 Jan 2009, 09:49 PM   #1 (permalink)
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boost problem

hi ive got a boost problem on a 99 turbo, its ok when u floor it through the gears boost holds at 15psi, but when your doin about 60is in 5th then floor it the boost waves in and out anyone any ideas, ive just replaced the airflow plugs & leads cos it had a hesitation before boost but thats sorted now ive reset the ecu the only thing i can think of it been now is boost solenoid or actuator cheers gav
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Old 01 Feb 2009, 06:41 PM   #2 (permalink)
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Re: boost problem

Id Clean the boost solenoid valve failing that could be a boost leak check pipes on intercooler and associated vacuum hoses hope it helps
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Old 15 Feb 2009, 09:06 AM   #3 (permalink)
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Re: boost problem

Hi there, any joy with this, mine is doing the same thing..

cheers
Angelo..
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Old 15 Feb 2009, 06:32 PM   #4 (permalink)
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Re: boost problem

havent had chance to check anything yet i will post if i get it sorted
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Old 22 Feb 2009, 07:14 PM   #5 (permalink)
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Re: boost problem

I had exactly the same issue on my 99 uk turbo but was running 1.2 bar of boost on my old td04. Upgrade to a 3 port boost control solenoid and it was fine after that and the hesitation went also as boost was coming on
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Old 27 Feb 2009, 11:39 PM   #6 (permalink)
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Re: boost problem

Cleaned my boost control solenoid and the problem seems to have gone.. YAY!!!......
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