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If you removed ALL emissions equipment, the question would be hard to answer, in theory anyway. Removing individual equipment such as your Catalytic Converter would improve exahaust flow and improve gas mileage. Removing your Oxygen Sensor would most likely decrease gas mileage because the Oxygen Sensor helps control the air/fuel mixture.
What else can I help you with?
Will removing resonator improve mileage?
I don't think so, most are not that restrictive
Is the egr valve a part of the emissions system?
Yes it recirculates exhaust gases to reduce emissions but also helps improve mileage and performance under certain conditions since it warms the fuel, requiring less.
Does a positraction improve gas mileage?
Posi?ætraction does not improve gas mileage nor does it decrease gas mileage. The traction does not come into play in less the pavement is wet.
How many MPG will you improve without a catalytic converter?
On vehicles built within the last 12 years you will get no improvement in mileage if you remove the catalytic converter. Besides, it is illegal to modify the emissions system in this manner.
Does removing catalytic improve performance in a Subaru Outback?
removing the catalytic converter will give you about a 10-15% power gain problems is with most the newer car there all obdII and if you take the converter off you will set a check engine light and the computer of the car will still try to fix the fuel air ratio which will kill your gas mileage if you want the power gain and still be able to pass emissions and have no fuel map problems get a 3" high flow converter it would be like removing the stock 1
Can emissions leak lower gas mileage on Nissan sentra?
Yes by alot!
Why is it important for cars to run efficiently?
Better fuel mileage and cleaner emissions.
Can bigger tire size gives more mileage?
Depends on the vehicle. It could improve mileage or lower mileage.
Will bad O2 sensor affect gas mileage?
A bad O2 sensor can affect gas mileage. It is an emissions sensor, so when it goes bad, it does not reflect emissions performance on the car, which could cost a lot in gasoline.
How do you improve diesel fuel mileage?
Keeping up with scheduled maintenance, better driving habits... a lot's been done since ACERT went into effect in the early 2000s which has impaired fuel mileage... EGRs decreased fuel mileage, SCR/DPF/DEF decreases fuel mileage, 2007 introduced Ultra Low Sulphur Diesel - which is a less efficient fuel than the previous low sulphur diese - all in the name of emissions. Turbocharging remains the best option to improve diesel efficiency.
Does removal of catalytic converter improve mileage?
NO
Can changing tire size improve mileage?
no
