Question about 1999 Toyota Corolla

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High consumption of fuel

1580 cc. it consumes 6km for 1 litre of petrol

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If you have serviced the engine, changed oil and oil filter and air filter and spark plugs and cleaned the carburettor or cleaned your throttle body and injectors, and its still heavy on fuel then try the following. Adjust the carburettor air and fuel. Take off the distributor cap and clean the rotor and spark pionts in the cap of carbon build up by means of light sand paper. Same applies to the spark/ high tension leads and coil lead metal connection points. Check distributor timing as well. If the engine smokes, do a compression test. If results are beneath factory specifications, remove cylinder head, replace the valve stem seals and re-seat the valves and or replace the pistons and piston rings. Basically engine overhall

Posted on Dec 07, 2014

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: How to improve the fuel efficiency?

Consider getting this info on ADDING Hydrogen power to your fuel. Raises fuel mileage 25% to 50%+.
http://tinyurl.com/6zmchd

Imagine if it works - raise your fuel mileage to 21+ in stop n go driving, up tp 35+, maybe 40 mpg with a steady low cruise on the highway, at 60-62 mph.

only costs $170-$200 if you can do it yourself, if you can change pcv / oxygen sensors / plugs / fuel filters, YOU can do it.
Else, pay a mechanic an extra $200 for 2 hours work for him/her to install in 45 minutes.

Greg

Posted on Jun 11, 2008

germcelchar
  • 389 Answers

SOURCE: what is fuel consumption km per litre for 4

Manual 20-25 Auto 20-24. 20 around town 25 motorway so average 22-23 mpg.

Posted on Sep 10, 2009

  • 5 Answers

SOURCE: high fuel consumption

These cars are pretty consistant at good fuel mileage.
My guess is your O2 sensor is defective. This can misinform your ECU causeing poor mileage. Check your air filter, if you can't see the sun through it, replace it. With the engine running, go to the back of the car and listen at the tail pipe for a poofing or missing sound. If yes, spark wires and plugs may solve it. The wrong spark plug can also affect mileage A bad valve will also affect mileage, so can too much stuff (weight) in the trunk of your car.

Posted on Feb 22, 2010

  • 4793 Answers

SOURCE: I am having a Toyata Premio F 2007 and Fuel

only use the first third of the gas peddle
use premium grade fuel(computer controlled engine will adjust for better fuel quality)
TURN OFF THE A/C uses about 25% of your fuel.
sorry to say this, but next time buy a smaller engine/body car (in england, if it dont do more than 45 mpg,as an average,the residual value is pants...)

Posted on Jun 22, 2010

Wolfman304
  • 720 Answers

SOURCE: I have a 3s 2000cc

Hi there,

As you have not stated the vehicle MODEL or Year of Manufacture, I will provide a 'general' solution:

There could be numerous causes for high fuel consumption, but if you have used this amount of fuel in such a short journey, there would have to be leaking fuel somewhere.

However, the only true method to measure "ACTUAL" fuel consumption (disregard trip computer) is:

- Completely fill tank to a pre-determined point inside the fuel tank filler tube.
- Set your cluster Trip Meter to: 0000
- Drive vehicle for 6 - 15km and return back to the same gas station pump used previously.
- Completely fill tank to the same point inside the fuel tank filler tube, where filled previously.
- Note the quantity of litres required to fill to that same point in the filler tube.
- Divide the litres used, by the total Km travelled on your Trip Meter.
- If the value calculates less than 20 (carburettor engine); less than 15 (EFI engine), then consumption is acceptable.

Note: if value is above these numbers, then you have a fuel leak, or a problem with your vehicle's carburettor adjustment. EFI engines can have numerous causes, including electronic sensor faults etc.

Cheers,

Posted on Jun 13, 2011

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Hi there,

As you have not stated the vehicle MODEL or Year of Manufacture, I will provide a 'general' solution:

There could be numerous causes for high fuel consumption, but if you have used this amount of fuel in such a short journey, there would have to be leaking fuel somewhere.

However, the only true method to measure "ACTUAL" fuel consumption (disregard trip computer) is:

- Completely fill tank to a pre-determined point inside the fuel tank filler tube.
- Set your cluster Trip Meter to: 0000
- Drive vehicle for 6 - 15km and return back to the same gas station pump used previously.
- Completely fill tank to the same point inside the fuel tank filler tube, where filled previously.
- Note the quantity of litres required to fill to that same point in the filler tube.
- Divide the litres used, by the total Km travelled on your Trip Meter.
- If the value calculates less than 20 (carburettor engine); less than 15 (EFI engine), then consumption is acceptable.

Note: if value is above these numbers, then you have a fuel leak, or a problem with your vehicle's carburettor adjustment. EFI engines can have numerous causes, including electronic sensor faults etc.

Cheers,

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only use the first third of the gas peddle
use premium grade fuel(computer controlled engine will adjust for better fuel quality)
TURN OFF THE A/C uses about 25% of your fuel.
sorry to say this, but next time buy a smaller engine/body car (in england, if it dont do more than 45 mpg,as an average,the residual value is pants...)

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