A misfire can have the same result. Anything that causes extra unburned oxygen in the exhaust will lead to higher fuel consumption. SellerTypeFilter selectedSellerTypeList, null ; sellerTypeFilter. You might even smell the unburned fuel at the tail pipe. Unburned fuel and oxygen show up in the exhaust, but O2 sensors don't detect fuel, just oxygen. If they are high positive, the computer is adding fuel beyond what was programmed in at the factory in response to something.
A sticking parking brake cable or sticking caliper piston could be the culprit. FuelTypeFilter selectedFuelTypeList, null ; fuelTypeFilter. Improved the car's ride and performance substantially. Stop on a slight incline, shift to neutral, release the brake pedal, then see if the car creeps downhill on its own. No matter how much extra fuel is requested, there will still be that unburned oxygen being detected. A leak in the exhaust system ahead of the first oxygen sensor can also cause high fuel consumption.
When they fail to respond properly, a diagnostic fault code will be set in the Engine Computer and that will turn on the Check Engine light. The car was almost unchanged for 8 years, with the exceptions of new lights and wheels. Maintain the car's speed and hold the accelerator pedal steady, then tap the brake pedal with your other foot. The oxygen in that air will be detected, again, as a lean condition, and the computer will request more fuel. A vacuum leak will introduce more air into the engine that the computer doesn't know about. This car is point blank badass.
. This car has a 4 door saloon sedan body style with a front positioned engine powering the rear wheels. The unburned oxygen will show up in the exhaust and be reported as a lean condition. With all the causes u recommended can u specifically point which things need to be checked with the mechanic Your mechanic will do many of the things I listed, typically starting with checking if there are any diagnostic fault codes. Beautifulllll — I love the car but it is a little underpowered.
No matter how much extra fuel it adds, there will still be that unburned oxygen sneaking in so it will continue to report a lean condition even though there's way too much extra fuel going into the engine. WheelSystemFilter selectedWheelSystemList, null ; wheelSystemFilter. Now it have dropped between 285 and 320 miles per full tank. That something could be a dragging brake. The 6 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a volume of 3 litres. Most of the time it just reports what it sees, so replacing them isn't going to change what's in the exhaust.
We'll maybe u guys can help me out im only getting 16-18 mpg with a mixture of both city, and highway. A leak in the exhaust system ahead of the first oxygen sensor can also cause high fuel consumption. I replaced it with an E class that has been perfection. TruckCabinFilter selectedCabinList, null ; truckCabinFilter. It was a Car Fax Certified 1 owner with 95,000 miles. The computer will respond by requesting more fuel.
Before that it was running fine with a 375+ miles on a full tank. Try holding the brake pedal up with your toes. Primary Use: Family transportation Its Rear Wheel Drive And It Is Really Hard To Find A Car Of Its Caliber Anymore — I love my car it is extremely reliable. SinceLastVisitFilter false, 1557518783142 ; listingsSearchManager. Repairs included upper and lower control arms, power seat, transmission service. If the engine speed doesn't change when you tap the brake pedal, the torque converter is not locking up and fuel mileage will drop.
I am just a power freak and I dont think any amount of power is enough for me. Its stated weight at the kerb is 1720 kg. No matter how much extra fuel it adds, there will still be that unburned oxygen sneaking in so it will continue to report a lean condition even though there's way too much extra fuel going into the engine. First repair this car had maintenance wise was done at 115K miles. With the engine warmed up, in third or fourth gear, and above 45 - 50 mph, the torque converter should be locked up. When they fail to respond properly, a diagnostic fault code will be set in the Engine Computer and that will turn on the Check Engine light.