Questions tagged [fuel-consumption]
Use for questions related to fuel economy.
29
questions with no upvoted or accepted answers
4
votes
0answers
79 views
Integrating Fast OBD Readings and GPS
I'm working on a project to look at fuel consumption on different roads and I need the OBD reader to log the GPS coordinates every time it takes a reading.
I'm looking at instantaneous fuel ...
3
votes
0answers
56 views
Runing a lot of gas
I have a 2006 Dodge Durango 175,000 miles I had a fuel pump put in Feb of this year, but now I am burning a lot of gas. I have to fill up my truck every four days now. Before I could ride on a full ...
3
votes
0answers
86 views
What's the most efficient way to manually hold a specific speed?
I noticed that my new car is by activated cruise controll at lets say 50 km/h handling this speed by displaying an current consume of 1.8~2.4 l/100km,
while when I'm trying to find the required ...
3
votes
0answers
145 views
Decreased MPG, clicking sound when pressing accelerator
Over the past week, the MPG on my car has gone down significantly, about 3-4 MPG. My driving habits have not changed.
In the meantime, there is a distinct "pneumatic" clicking sound whenever I press ...
2
votes
0answers
98 views
Suspected slow leak in carb, mileage low only when time taken to consume fuel
I have a weird mileage issue in my CB Honda Hornet motorcycle. This is a version specific to India, https://auto.ndtv.com/honda-bikes/cb-hornet-160r
It has a 160cc engine.
During the first 1000 Kms, ...
2
votes
0answers
105 views
07 Camry Engine slow RPM and excessive fuel consumption reading
I have 2007 Camry manual made in Australia for Arabic gulf. The engine sometimes go to 500 rpm and suddenly stops. Or it also goes to 1500 rpm and doesn't return to 1000 rpm (which is the normal as ...
2
votes
0answers
114 views
Emissions per mile of high MPG lean-burn gas-powered cars versus standard gas-powered cars
I am wondering if there have been studies or calculations of the NOx emissions per mile of high MPG lean-burn gas-powered cars versus standard gas-powered cars.
Honda made some great lean-burn cars ...
2
votes
1answer
83 views
Wheel covers for '95 Honda Civic EG with drum brakes
I have a 1995 Honda Civic hatchback with drum brakes.
I am thinking of adding wheel covers (also called moon disks). Would this affect the drum brakes the same way it can sometimes affect disk ...
1
vote
1answer
198 views
Land Rover Freelander 2 - Bad MPG
2007 Freelander 2
Was having what I consider bad MPG for a diesel, averaging around 23-24mpg
Initially thought it needs a service, so lots of money later for a full service which would have ...
1
vote
0answers
67 views
LTFT zero on mazda cx7 2008 + high fuel consumption
I have this Mazda CX7 2008 2.3L turbo, and am experiencing the following:
LTFT is zero, no matter what conditions I drive the car on.
Gas consumption is high: ~22L/100km (10.6 MPG)
DTC P2006: Intake ...
1
vote
0answers
29 views
Trucks fuel economy dependence on weather
I am searching scientific data and studies on the link between weather and fuel consumption in HDV (heavy duty trucks).
For now I have found almost nothing.
Can anyone help?
1
vote
0answers
25 views
Mitsubishi Montero limited Have EXCESS FUEL consumption
My Fairly used Mitsubishi Montero limited 2000 model has excess fuel consumption like 30litrs per 100km
Accompany with very hot interior under the feet even with a c on though vehicle not doing ...
1
vote
0answers
32 views
Sudden Oil consumption increase
There is increased oil consumption in a 2009 chrysler 300c that has the 5.7 Hemi motor .There are no oil stains on the garage floor .There is an apparent fuel consumption increase which we ...
1
vote
0answers
57 views
New plugs, but problems starting (not firing on all cylinders) and poor fuel economy?
Car is a '93 Mk1 VW Cabriolet, 1.8lt injected.
The car has had trouble starting - feels like only some of the cylinders are firing. If I rev the engine a little the problem goes away after a few ...
1
vote
1answer
968 views
Short term fuel trim shows -9% (Rich)
Honda Civic 2007 90km odometer
Problem-
Fuel consumption
I have scanned my car and it shows STFT -9% along with below parameters.
Coolant temp -> 64
LTFT -> -7.03
Oxygen sensor voltage -> .55v
EGR ...
1
vote
1answer
123 views
Which value should takes to show Gauge value, Fuel pressure or Intake Manifold Pressure?
Currently, I'm working on an app which should show Gauge value (inHg) of the vehicle using OBD reader. Which values should I use to show the Gauge? Is there any formula?
1
vote
0answers
52 views
Car sometimes starts rough, almost stalls when coming to a stop, poor fuel mileage
I have a 2013 Chrysler 200 LX 2.4L 4speed automatic. Last summer it occasionally had difficulty starting. One in every few starts it would start rough. Now I've noticed recently it seems like it's ...
1
vote
1answer
130 views
2001 Vw beetle 02 sensor car will not go over 65mph
I have a 2001 vw beetle 2.0 engine with 171,000 miles on it. I have a check engine light on saying that bank 1 lean. It has been like this for years and I have had no problem with it. Yesterday I ...
1
vote
1answer
1k views
My Toyota Corolla 2009 Le 1.8l fuel consumption too high
I run my car in normal use in highway and no traffic I spend $20 full tank 90 miles I replace my tires,spark plugs Oem ,Transmission fluid with filter,Engine oil with filter,Thermostat,antifreeze,Air ...
1
vote
0answers
406 views
Valves calibration vs fuel economy
My new hobby car (Fiat 126p, 2 cyls air cooled, rear mounted) is not doing correct fuel economy. Spark plugs looks ok. Fumes, at cold start are black but as it warms up, it looks ok. The only ...
1
vote
0answers
400 views
Cars with single fuel type how retrieve tank level to dashboard?
I see that BiFuel cars had fuel level and type readable from ECU by using pid 0151 and 012F.
Cars with monofuel don't have this pids sensors, so how the dashboard retrive the fuel level?
Maybe the ...
1
vote
0answers
136 views
Fuel consumption problem
Morning I have a Toyota Corolla LE 2004 model, it consumption level is very high as in 50lt can finish in 2 day from my office to back home with is a 15 minute drive. I have scanned the vehicle ...
1
vote
0answers
220 views
Truck burning through a lot of gas
Vehicle Information:
2006 Ford F150 4WD with the 5.4L
Problem:
On the way to work I noticed that the truck was "burning" a lot of gas. As I drove, (at a normal speed - 60 mph) I noticed that the ...
1
vote
0answers
176 views
Opel Corsa lite 1.4 2002
After reconditioning cylinder head and skimming. Fitting new hydraulic lifters and rockers, find no compression on engine once oil reaches the lifters compression disappears. Tried reducing length ...
1
vote
0answers
491 views
fuel consumption in CR-V 2007
lately I found my car consuming more fuel than usual,it was doing 8 liters per 100km,then it raised to 12 liters per 100km,I asked its agency to check for the problem,they found nothing unusual,after ...
0
votes
0answers
41 views
Can transmission replacement affect fuel economy?
I recently had the transmission replaced in my 2009 Dodge Grand Caravan. This is my third Dodge minivan, and all of them averaged around 17 mpg in mostly city driving. However, when I got this van ...
0
votes
0answers
34 views
fuel consumption and high ravs
I changed the sub assembly for my toyota altezza but now its consuming too much fuel and now the rav count will at 2000rpm at low speeds 20-60km/h, it had an engine check light for knock sensor and ...
0
votes
0answers
32 views
Seeking information on the accuracy of average Fuel Consumption shown in Instrument Console?
If the speed shown in a motorcycle's instrument cluster is off by let's say ~5 km/h relative to the actual speed, can we say that the average fuel consumption it shows is also prone to show wrong ...
0
votes
0answers
203 views
OBDLink Settings for Fuel Economy
Specs:
App: OBDLink v5.4.1.1072 (iOS)
Adaptor: OBDLink MX+ (bluetooth)
Vehicle: 1999 Ford F250 7.3 turbo diesel (Aug 98 Production)
Have been working with this Scantool for a couple weeks now,
by ...
