The reduced engine power message on your 2003 Cadillac CTS is most likely caused by a fault with the electronic throttle control system. Fault code(s) should be stored in the control module. They will need to be read, diagnosed, and repaired in order to keep the message from coming back. For further help with this problem please use the following link to find a shop near you - http://repairpal.com/directory?address=60099&car_brand_names=Cadillac.
If the a/c compressor is working and the pressures are correct then chances are the temperature control door could be stuck in the "heat" position. Here is a link to a PepairPal article on a/c systems and what can go wrong - http://repairpal.com/my-air-conditioning-is-having-problems-what-could-be-wrong.
Does your F-250 Super Duty have a gas or diesel engine?
There are drain tubes from each corner of the sunroof than carry water away to each corner of your 1996 Infiniti 130. If one or more of the drains are clogged or disconnect water would most commonly come from the area where the sunroof meets the headliner but that is not always the case. You can do a bit of checking your self by opening the sunroof and carefully poring water onto the sunroof frame - one corner at a time. The water should quickly drain - most likely in the area of each wheel. If during this test the water does not drain properly or somehow enters the interior the reason why will need to be found and corrected.
A fault code has been stored in the ABS control module of your 2001 Chevrolet Tahoe. Chances are the codes is related to the pump motor circuit. It is not uncommon to find a problem with the main ABS ground on the right frame rail. It is also possible that a faulty battery ground behind the left side of the bumper is faulty. The best bet would be to retrieve, diagnose, and repair any stored fault codes.
Any qualified tire shop should be able to replace the tires on your 2005 Acura MDX. Extra care must be taken not to damage the pressure sensors. If the system in your MDX requires a relearn procedure be performed after a tire rotation is done then chances are the relearn will be needed after the new tires are installed. It my be best to ask first before having any work done in order to see if the shop in question can properly handle the job. For more information on shops near you please use the following link - http://repairpal.com/directory?address=65809&car_brand_names=Acura.
It sounds like you may have an intermittent misfire from your 2000 Buick Century - Has the check engine light been on or flashing? If it has any stored fault codes should be diagnosed and repaired. Please use the following link to find a shop near you - http://repairpal.com/directory?address=28352&car_brand_names=Buick.
If sounds like the window motors are failing on your 1997 Buick Skylark - are all of the windows doing the same thing?
The most common cause for gas in the oil would be a leaking fuel injector. Does the fuel system on your 1997 Chevrolet Venture hold pressure after the fuel pump turns off - It should, if it does not you will need to find out why. How does the engine run? If a fuel injector is leaking or stuck open the engine will run rough. Also, there should be no fuel leaking out of the fuel pressure regulator at the vacuum fitting with the engine running and the vacuum hose off of the regulator.
Perhaps the fuel pump on your 2001 GMC Sonoma has failed. Checking fuel pressure would confirm this. If the fuel pump has failed the fuel tank must be removed in order to replace the pump.