Tip & How-To about Cars & Trucks

How to fix simple car computer problems

Often time with these computerized vehicles they may start running rough, not shift right, and have little glitches while driving. Yes, you can take it to the dealer and have them check it out, and at the same time pay an exorbitant fee. Often this is not needed and there is a simpler solution to what appears a complex problem. Not trying to tell you that it may not be, but at least try this simple solution first. Disconnect your positive or negative battery cable for about twelve minutes, then put it back on. By doing this you reset the computer to its original stage. Be warned, after doing this most computers will have to relearn your driving habits.

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My 1998 Volkswagen Beetle keeps dying.


With the car running rough it could cause the harsh shift but if it is staying at 5000 rpms then the ****** is about to go out on you. The rough idle sounds like a vacuum leak. If you can keep the car running at idle listen for a sucking type sound. That would indicate where the vacuum leak is.

Jul 25, 2012 | 2001 Volkswagen Beetle

1 Answer

ive got a hyundai coupe 2.0se auto and its doing 4000rpms in 55-60mph does this sound like is not hitting all the gears in the auto box ?


Yes it does. My 2.0 runs about 2300-2500 at 55. (this is a rough idea of rpm level dont shoot me if its off a little, since i try to pay more attention to the road than the gauges:) ) Can you feel the car when it shifts? Count the shifts if u can if not, Find somewhere safe to mess around and try to watch the tach and drive and watch for drops in rpms and count how many times it drops( accelerate a little harder than normal driving, but not so hard you run it all the way up to 6500 before it shifts.)
From first to 2nd would be one **** or rpm drop
2nd to 3rd would be two.
3rd to 4th would be three.

Sometimes a little Berkebile 2+2 gum cutter sprayed down the tranny fill tube will loosen up a sticking valve (about 15-20 seconds worth of spraying) then drive it at least 30 miles or 50 km's.

Feb 01, 2010 | Hyundai Motor 1998 Sonata

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