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Old 02-20-2018, 11:46 AM   #8
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Join Date: Nov 2015
Location: South Wales, UK
Posts: 852
I couldn't take the oil cap off while the engine was running, and after stopping it, removing it, then re-starting it, the engine ran like crap - so that looks okay.

The hissing is coming from around that area, and it seems like it's coming from underneath the resonator tube (underneath the tube in the photo). There's a bunch of vacuum lines under there, so hopefully it'll just be something that's popped out.

I'm going to remove the resonator tube when I get a free day, and will check all the rubbers and tubes. That, with the new O2 sensors (they're 15 years old anyway), should do the trick.
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