How come I get low boost when engine is fully warmed up?
05-11-02, 06:38 PM
#1
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Location: Eagle Rock, Ca
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How come I get low boost when engine is fully warmed up?
On hot days, after driving around traffic, I only get 5lbs. of boost in both turbos, and on cooler days (remember, only in SoCal) or when I've only been driving my car for around 15-20 minutes the car boosts properly. Is it a leak in the intercooler hose or elbow or something? Plus I think I have a stuck solenoid, cause sometimes I get boost and sometimes it seems to "forget". Thanks.
05-12-02, 08:43 PM
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The turbo control solenoid that is attched to the ACV has a tendency to fail once heat levels rise. I don't know if it will affect both turbos though. To find boost leaks try the test I posted here https://www.rx7club.com/forum/showth...ght=boost+leak
05-12-02, 09:41 PM
#6
Low Boost
Sometimes i would have the same problem and if all checks out ok with the solinoids, then check the clamps on all the intercooler couplings. They have a tendancy to loosen up under heat and bleed off some of the boost. The coupling that has a problem with this is the rubber one right off the stock "Y" pipe.
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