I, too, have been completely disappointed in the gas mileage of my 2001 Isuzu Trooper Limited edition. I am getting 12 miles per gallon on the highway and in the city. I have had it checked at the dealer 3 times. the response has been Sorry, we can't help you." I have contacted Isuzu car co. and recieved the same response. I am now trying to see if I qualify under the "lemon law" here in California. I love everything else about the car and have no desire to get rid of it. it has only 42000 miles and is still under warranty. Can anyone out there help.
For a car that is rated 19mpg highway to get 13 is bad, but it could be in the gas you are using. Most cars these days are calibrated to run on specific grades of fuel. I had a Chevy Cavalier that was only getting 22mpg when it should have gotten 28. I was using mid-grade and premium gas. The dealer said he was sorry, but everything checked out OK and there was nothing they could do. But he suggested I try regular (87 octane) since that is what is recommended. My first tank of regular I started getting 28mpg and it stayed that way. I couldn't believe it.
If you are getting poor mileage. Try taking the truck to a independent shop that has a ASE master tech in house. Get away from the dealer who can't think outside the box.
One thing you can try yourself is replacing the oxygen sensor. once you do, disconnect the battery power for 5 min. It will then take a little time for the cars computer to learn how the new sensor reacts.
I bought my 2001 Trooper brand new, It now has 52,000 miles on it and has never been back to the dealer. I have always gotten around 18 miles a gallon on 87 octane gas. I love my Trooper.
My 2001 Trooper gets 19 mpg on the highway... and started getting 10 mpg city 6 months ago. In addition, the Reduced Power light has been activating causing it to stall. The dealer said I, "Needed to drive it until it broke because (they) had no idea what it could be." No one can tell me what the Reduced Power light is for, and I have never owned a car with one. Any help welcomed. Love it otherwise-will drive it until it does die.
My Trooper is relatively quiet and smooth. It also does very well off road and in snow. But, and this is why I want to get a full sized vehicle with a V8, I am lucky to get 14 on the highway even at 55 mph and generally get 12 around town. I have friends who own double cab Ford and Chevy trucks who get 16 and 18. Now the Check Engine Light has come on. Probably the readout will say, "Should have bought a truck."
If you own a Trooper year 2000 or up, GET rid of it before you get 100,000 miles. You will be in a world of hurt trying to find out what keeps burning out your transmission.
I have a Trooper. Before, I used to get 10 mpg city, 14 highway, with everything stock. But I installed a Flowmaster muffler and a K&N air filter; now I get 12-14 city, and get 18 highway doing 75, but once I go over 80, it starts guzzling gas. I found if you set the cruise control, you'll get much better gas mileage.
I have an 01 LS with 120k miles on it. I'm getting 10 MPG. It's driving me crazy. I love this car and it's paid for. I'm torn between keeping it or getting rid of it. I have put a new starter on, changed plugs, O2 sensors, MAF sensor, fuel filter, brakes, rotors. I'm stuck in a rock and a hard place. Any advice on what to do to increase mileage?
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