What puts the "marvel" in Marvel Mystery Oil?

06.01.1999

My dad who knew more about cars and engines that anyone I ever knew swore by the benefits of Marvel Mystery Oil He always poured MMO in the crankcase at each oil change and sometimes put it in the gas...

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What could cause spark plugs to blow out?

06.01.1999

My wife owns a Ford Contour About three months ago while driving she began to hear a loud clacking noise After inspecting the engine I found that a spark plug had been completely ejected from the head The threads on...

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Another way to keep cars from freezing shut in the winter.

06.01.1999

I read your article about the lady with car doors that were freezing shut One answer I found was in my GM owner's manual under the maintenance schedule in the back For weatherstrips it says to use Dielectric Silicone Grease...

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What's causing this sticky throttle?

06.01.1999

I have a well-maintained Toyota Camry four cylinder with miles The problem is the throttle body seems to get dirty causing the throttle to stick It has to be cleaned and lubricated every month or so to keep it from...

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When you should and shouldn't downshift.

06.01.1999

I have the great misfortune of having a know-it-all friend I drive a Toyota Corolla and he drives a Corvette While visiting him I found myself being chastised for downshifting His argument was that Click and Clack said not to...

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Is it worth blowing the AC on our cold cuts and frozen foods from the grocery store?

06.01.1999

We live in Florida about miles from our grocery store When we buy cold cuts or frozen foods we go directly home because of the -degree heat My wife seems to think that putting all of this stuff in the...

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VW Microbus: Cool? Yes. Safe? Heck, no.

06.01.1999

I was thinking of buying a Volkswagen Microbus I know that means constant repairs etc But I currently drive a Jetta with miles that also needs constant repairs So I figured if I'm going to be repairing my car all...

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My brakes are smokin'!

06.01.1999

I have a ' Honda Accord station wagon Last year I stalled because the brake pedal became hard and slowed the car to where I couldn't keep driving While waiting for a tow the brake pedal came back to normal...

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Sudden drop in gas mileage on your Ford Ranger? Check the thermostat.

06.01.1999

I have a Ford Ranger with a liter engine and a five-speed manual transmission I used to get between and miles to the gallon However in the space of less than a month the mileage has dropped to between and...

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Do tires go bad with age?

06.01.1999

Please help me out The tires on my Buick are original They still have good tread as we have only miles on the car My wife insists that the tires are getting old and need to be replaced I say...

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How fast can I go in reverse before doing some damage?

06.01.1999

For the past three years I've been living in the bush in Africa as an Emergency Relief Coordinator I generally travel in a Toyota Landcruiser and I have a couple of questions First if I get caught in an ambush...

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An opportunity to buy a new diagnostic tool: this time, a "short tester".

06.01.1999

I just bought a Ford Escort Wagon for my wife and I found out the brake lights don't work The fuse was burned out When I replaced it it took just a pump or two on the brakes to blow...

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Did all that radiator flushing and coolant changing do any good?

06.01.1999

I recently had the radiator replaced on my ' GM Van I got years out of it so I really don't have much reason to complain -- but I will anyway I regularly had the radiator flushed and the coolant...

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Why aren't headlights designed to shut off when you turn off the ignition?

06.01.1999

Can you tell me why car makers don't connect the headlight switch to the ignition switch Every morning or after a heavy rain you drive into any parking lot and see a dozen cars parked with the headlights on resulting...

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