Question about Daewoo Lanos

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Can my 98 1.5L Daewoo Lanos sohc be made more fuel efficent if so whats the best method?

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  • Anonymous Jul 31, 2008

    what the number of the spark plugs

  • gold777gold May 06, 2009

    what causes my daewoo to smoke so much and burn oil? i had an engine analysis and it came back good?


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I'd also suggest a Seafoam servicing. You can get it at any parts store. Get two cans of it. Your car is 10 years old, so you're going to have some carbon buildup in the vacuum system, probably some oil sludge, and possibly some resins in the fuel system. Seafoam will clean all of it out.

For the oil system, pour half the can into the crankcase and then drive the car about 30 miles. That will give it enough time to circulate and clean out sludge deposits. Then change your oil and filter.

For the fuel system, pour one entire can into the gas tank before you fill up. It will run through the system and clean resin and other grime out of the fuel system.

For the vacuum system, take the remainder of the can that you used to treat the oil, and pour maybe half a coffee cup's worth into a small bowl. Get some PVC line (similar to fishtank hose) to use for feeding it into the engine. Locate a vacuum line on the engine that you can easily remove. Pull the line off the nipple, and with the engine running, see if you feel suction. If so, that's your feed location. Shut the engine off and put the PVC hose into the nipple, and seal it up with electrical or duct tape. Start the car and then dip the other end of the hose into the bowl of Seafoam and let the engine **** it up. The car will probably start to stumble - if it does, pull the hose out of the bowl until it steadies, then dip it back in. The car will blow a lot of crud out of the tailpipes for several minutes. It helps to rev it up a bit here and there while the Seafoam is burning away the carbon deposits, either by hand with the throttle rotor, or by having someone else sit in the car and blip the throttle here and there. Once it smooths out, you're done.

I've used this stuff to great effect on many cars, including OBD II (96 and newer) cars, with stringent emissions monitoring, and I have yet to have a car throw a single code or check-engine light. It can make a great difference in the way the car runs and how efficient it is with fuel.

Posted on Jul 21, 2008

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The best method would be to keep your car in great working condition. This means change spark plugs, air filter, oil, transmission fluid, sparkplug wires, rotor button, distributer cap, use some fule injector cleaner, fuel filter transmission filter.and so on. Just change all the filters and fluids and do a tune up. The smoother the car runs the better the gas millage.

Posted on Jul 21, 2008

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The best way to make it more fuel efficent is not drive it, it is a dewoo so you can kill two birds with one stone, be happier and save fuel! LOL. seriously though, i agree with 95zcyecsi, a well serviced car will use less fuel.

Posted on Jul 21, 2008

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