Originally Posted by mukeshus
What could be the reason guys?
Please look for following things
- Open engine bay and look for any fuel leakages around fuel injectors and throughly look for any fuel leakages in fuel lines both in engine bay and entire car even near A/C compressor
- check fuel tank for leakages and breather pipe
- Replace fuel cap or if there is any blockage clean it
- If stereo is installed in rear of the car near c pillar - check the for any damage as it is close to fuel tank opening
Oxygen sensor determines real time air fuel moixture for proper combustion.It was developed by Bosch in 1960s.
Sorry for the late reply Mukeshus as I was preoccupied with work.I hope it solves all your query.
( Source for this valuable information about fuel problems - Yahoo answers
and about oxygen sensor Wikipedia.org)