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2004 Porsche Cayenne Questions & Answers
2004 porsche cayanne turboe valve adjustment
Most vehicles including Porshe V8 have hydraulic valve lifters, only early 911's had mechanical lifters as I recall, was a pain to adjust every 20K or so. If you are hearing a tap, it is probably stuck valve lifter, try Lucas Oil Additive to unplug it and free it up.
Good luck, FREE-PPV
My 2004 Porsche Cayenne Turbo blows cold air only on passenger side. Driver side works
I'm not familiar with this model so I'll go by the usual culprits. My guess is that the air duct to the passenger side has had its operating mechanism come off. This will entail removing the under dash kick trim and a certain amount of gymnastics to lie in the footwell while someone operates the heater controls, You should be able to see(with a flashlight) the control cables etc moving. It may be just a matter of clipping a cable or cable end back onto the flaps. If you turn the blower on you may find a part of the trunking displaced, by the rush of air into the dash and not down the vents.
What is the drive cycle for resetting readiness codes for my 04 cayenne
Depending on the year of the vehicle but if your talking about the check engine light, you'll need to hook up to an OBD reader and clear the codes. If there is a problem the codes will come back and the check engine light will return. If you have already fixed the problem then given enough driving time the engine light will turn off on it's own.
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