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I've got some strange problems that I think might all be somehow connected. Any ideas?
-Car is running pretty rich
-Poor fuel economy (see above)
-Removing the gas cap, especially after driving, releases a huge whoosh of air that lasts several seconds; I know it's normal to
have air escape but it's a LOT. If you just start unscrewing the gas cap at a normal rate, it usually finishes escaping just after
you actually remove the cap, and it's extremely loud.
-When driving and after stopping, you can faintly hear air escaping from the gas cap area and often smell fuel fumes.The following items have very recently been replaced with brand new OEM parts:
-Fuel pump
-Fuel pressure regulator
-Fuel damper
-Gas cap
-Fuel filter
-Fuel lines in engine bay + clamps (there are no leaks in the engine bay)
-Fuel injectors (with new o-rigs lubricated and carefully installed) I recently found a puddle of fuel under the front of the car, and upon investigation, found that a line running to the carbon
canister (accessible near the relay box in the engine bay) had cracked. The fuel tank has always released pressure when I
removed the cap, as did my Z31, but after replacing that line the pressure from that escaping air grew much higher. I'm thinking something has failed in the carbon canister area, and I should just delete it. But I was curious if this could have
anything to do with the rich condition?
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