VERY HIGH FUEL CONSUMPTION

2003 Jeep Liberty

Tiny

dediphil

April, 17, 2012 AT 1:35 PM


I bought one used jeep liberty 2003 (petrol), I was thinking that with 4 cylinders of 2.4L The fuel consumption will be normal but the average consumption is 28 L / 100 km.


The Engine is it faulty?
Please what to do to reduce the fuel consumption?

2 Answers

Tiny

merlin2021

April, 17, 2012 AT 2:44 PM

02 sensors are 100,000 mile parts and play a major role in fuel economy, have them checked with a scantool. Also mass airflow sensor, ect(engine temp. Sensor) we need to figure out if the pcm is switching to open. Loop operation.

Tiny

Wrenchtech

April, 17, 2012 AT 2:46 PM

Are you sure that is correct? That converts to about 8MPG and that is really extreme. You likely have a check engine light coming on so you need to have to codes read and go from there.

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