As of 7:30pm last night when I was leaving the office, my fuel gauge was still giving me the correct fuel reading, which was a notch below the 1/2 mark. Around 20 minutes later, while cruising along Katipunan Ave., I glanced at the gauge again, only to find that the needle was already pointing to 'Full'. It remained this way until I was already traversing the uphill roads of Antipolo, when I clearly saw the needle moving down and up between the 'Full' and 1/2 marks.
Ganyan pa din siya kaninang umaga; the needle was still pointing to 'Full' as I left home. When I briefly parked on a slanting sidewalk, the needle slid down to the 3/4 mark, then returned to 'Full' nung umarangkada na ako. Traversing Antipolo's downhill roads, gumalaw-galaw ulit yung needle from 'Full' to 1/2. There was a brief moment where the needle pointed to its original position (slightly past the 1/2 mark), pero after one minute balik na naman sa 'Full'.
If anyone asks, my ride is a diesel Mitsubishi Adventure, manual transmission.