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If you just want to get through the smog test,they usually allow one monitor test to be incomplete and still pass.
If your area does,clear the codes and fill the fuel tank to the top.The other monitors should run and complete but the fuel tank monitor will not run with a full tank of gas so will not turn on the check engine light related to a tank vac leak.KEEP THE TANK FULL,and go get your smog test!
If you get ck engine light on , you have a cyl. number
that misfires , ck vacuum leaks on intake manifold around that area aspecially intake manifold gasket.
The problem in my Jag was the hydraulic cylenders that raise the top. The seals in the cyl's leak by, and there isn't enough pressure to lift the top. No external fluid leaks, just internal to the cyl's. I had estimates from 2 shops to replace the units. $1,500 at both shops. I purchased the cylenders for $750 and replaced the myself. Required refilling the tank on the pump in the trunk, passenger sideb behind carpeted panel. Works like new again.
Good luck.
I Would Suggest That You Complete A Engine Cylinder Leak Down Test.....(not A Compression Test But A Leak Down Test) this will tell you if you have internal problems....possible worn rings or a burnt valve(s) I would use a smoke machine to check for vacuum leaks also. Good Luck
Look again into the fuel filler there should be a metal hose which is where the tank gets it's air from, ensure when your filling up your not pushing the fuel filler gun fully home when filling up, suggest you don't fill the tank right up to the very top as your correct it's a big job & you will need parts before you take the tank off. http://passionford.com/forum
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