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Re: I have a 1997 chevy tahoe and put a 2005 chevy tahoe...
As these are two different motors with different type control systems involved, did you mean that you installed a replacement motor that was remanufactured or purchased new in 2005?
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You would need to check with a local garage for repair prices.
To find your average mileage, fill up the tank, write down the mileage, then do it again at around 200 miles. Divide the mileage traveled by the number of gallons used. I would recommend filling up after you have used about 8 or 9 gallons to prevent running out of gas. You can't go by the federal mpg numbers because everybody drives differently.
its not the gas its the price of the gas that seems like bad mileage go to gas station and fill till gas pump clicks off at slow fill record mileage and gallons to fill/road test for 25 miles go back to same gas station same side of gas pump and refill at slow fill and record miles and gallons to refill this will give you best practice for fuel mileages/PS drive in cityor highway not both causes difference in gas mileage
replace front fuel pump because gauge is made into fuel pump and not serviceable. Or poor boy way of getting by would be fill front tank with gas reset mileage drive normal for a day. refill again with gas note gallons used and mileage driven for average miles per gallon. front tank should be around 17 gallons multiply by mile per gallon you figured
One tank of gas is not enough to compare mileage. Or are you saying the computer's readout of mpg estimate is showing less? Try a tank or two of premium and see if that helps. Keep track of gas mileage. Driving techniques have a lot to do with gas mileage, as does long trips vs. short trips, highway cruising vs. city driving. For best mileage, do regular maintenance and keep the car in top running condition-good spark plugs and clean filters and clean oil ! Attend to minor problems before they escalate. If you want to check actual miles per gallon, start with a full tank. Write the odometer reading down, and go. Everytime you put gas in, write down the amount. When you are close to 1,000 miles from the time you started, go fill the tank and include that amount of gas to your previous list. Now add up all the gas used and divide it into the miles to get miles per gallon. (976 miles/31.8 gallons = 30.69 mpg ) . Only one tank will skew your numbers, might be off cause the tank was filled more to the top than the previous fill-up. About a thousand miles of driving will give you a very accurate figure of miles per gallon for your car.
Make sure the air filter is clean. Have a diagnostic scan done to the engine to see if there are any trouble codes or issues that would reduce your gas mileage. You are getting around 11 or 12 miles to the gallon, which isn't very good. But, judging by the low amount of miles on the car, you apparently do all your driving in traffic, and short distances with a lot of stop and go. If you let the engine warm up for long periods of time, especially in cold weather, that will drop your mileage considerably. Letting a car warm up for 10 or 15 minutes in the winter gets you 0 miles per gallon for that amount of time. Add all these factors up, and figure in the poor quality of today's fuel, 12 miles per gallon is not too far off from what you should be getting. If you have the v6 engine, your mileage was probably around 15mpg when the car was new. Now if you were to take your car on a road trip where you could drive a long distance with the cruise control set on 65mph, you would probably get around 18mpg.
You could fill the tires with Nitrogen but it will cost about $15 a tire. You will gain 1.5 - 2 miles more a gallon. Big trucks were made for pulling and hualing only. If your looking at gas mileage then you need a focus.
Lost gas mileage. I would have to assume that you are not getting the require mile per gallon. For example If the car book say 32 miles per gallon. You are getting about 20 to 25 miles per gallon. If you want to improve the your gas mileage then you have to do the required maintenance Oil change every 3000 mile tune up as required Air filter If the wiring spark plug wire is old and crack then it need to be replace. If you park out side and the batteries is about 5 years old have it check If you buy the car new, you will have a car book follow the maintenance routine. If you have done all the maintenance and the gas mileage is low than recommended then take it to a shop to figure out if some thing is wrong or not preforming as it should. I do hope this help you.
to increase gas mileage make sure you keep on top of tire air pressure you can also have your tires filled with nitrogen instead of air also a K&N air filter does wonders and is good for lifetime worth every penny. another smart move is to use a fuel system cleaner regularly Lucas makes great products for this try local parts store.
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