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Re: Vacuum leak (big one.) Perhaps intake man. gasket (-)
1 Saabers Like This Post!
Posted by Dean (more from Dean) on Fri, 25 Jul 2003 07:31:25
In Reply to: Vacuum leak (big one.) Perhaps intake man. gasket (-), Vlad, Thu, 24 Jul 2003 21:06:22
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If a MAF or T7 vehicle I would agree. But with a T5 or any speed density system a leak of that nature is just like the throttle been open. The mixture would be fine but the rpms fast. If the vac line to the MAP sensor is bad, then mixture control is a total mess!
I would be concerned that the throttle stop is messed up or the IAC is not connected or functional. The IAC can be connected with its intake open to view and one should be able to see it working. Check IAC, valve binding on deposits?
Yes, try the other DI and inspect the plugs.
posted by 66.139.120...
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