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boost issue???

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Old May 20, 2010 | 02:31 PM
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From: fort worth
boost issue???
Aight i have an 88 turbo2 im haveing problems with boost it goes to about 3psi and just drops it out back to 0psi what could be the problem
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Old May 20, 2010 | 02:43 PM
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From: fort worth
And there is no shaft play and no smoke or oil dripping from exhaust
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Old May 20, 2010 | 04:19 PM
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From: Lake Stevens
have you checked for leaks?
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Old May 20, 2010 | 04:30 PM
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From: fort worth
Yes and have not been able to find any thing and my bov when reved blows off once and then does not if that helps at all.
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Old May 20, 2010 | 04:43 PM
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From: Lake Stevens
It blows off once instead of chattering? That's a good thing.
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Old May 20, 2010 | 04:52 PM
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From: fort worth
Yeah it blows off once and no chatter at all and thats good though.
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Old May 20, 2010 | 05:15 PM
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From: Omaha, Ne
sound like a vac leak to me as well. is it idling fine?
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Old May 20, 2010 | 05:28 PM
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From: va, beach
are u using stock top mount? make sure all ur charge pipe are tight and yes definately check for a vacuum leak... does the idle jumps?
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Old May 20, 2010 | 06:22 PM
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From: fort worth
Yeah found a vac leak at the big block off plate on the back of the intake mani.
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Old May 20, 2010 | 06:45 PM
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From: fort worth
But yeah it has a stock top mount and it has been idleing about 1500 not sure y
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Old May 21, 2010 | 05:47 PM
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From: va, beach
Originally Posted by rotarydude481
But yeah it has a stock top mount and it has been idleing about 1500 not sure y
well if its not warmed up would be around there, mine usually 2k when cold start then drop to 1.2k after 10 sec. then wen its fully warm its about 800-900 rpm..
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