@capsat & @naweed, I recently changed the spark plugs, the previous ones were pretty worn out, so I assume 46K isnt the actual mileage of my car....i change air cleaner with every oil change and try to get it cleaned as much as possible....based on your valuable suggestions I am thinking of following these steps right now:
1) Change engine oil to Shell Helix HX5 alongwith oil filter, and air filter. Will you recommend an engine flush along with oil change? If yes then what product can be used for engine flush?
2) change transmission oil alongwith filter,
3) get throttle body cleaned,
4) and spark plug cleaning
5) Try the Hi Octane ratio you recommended
Can you guys tell me if the transmission oil and gear oil the same thing? I mean to ask if changing the transmission oil or changing gear oil the same thing?
Also do you recommend getting fuel filter cleaned/changed as well.
I am also planning about getting the fuel injectors cleaned...
Thank you for the suggestions again....your answers to my remaining queries will be welcome.