leroyaguilar43
New Member
How's it going guys I just need a little help. I have a 98 Ek hatch with b20b and I'm having an issue with some sort of vacuum leak. I did a rear disc conversion on it and changed out the prop valve to SI prop valve. I still have the master cylinder and brake booster from the 98 hatch. But the booster is brand new I also replaced the check valve and vacuum hose. And every time I step on the brakes the idle still goes down to 700 or so.
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