2003 Lexus IS300 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Lexus IS300

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2003 Lexus IS300 Problems

Check Engine Light Due to EVAP System Failure

Occasionally, the Check Engine Light is illuminated due to failures in the evaporative emission (EVAP) system. Our technicians tell us that proper diagnoses is generally required to confirm the exact fault causing the warning light to come on.

Check Engine Light and Lack of Power Due to Failed Mass Air Flow Sensor

The Check Engine Light may illuminate because the mass air flow sensor sends incorrect information to the engine control computer. This can cause a loss of power on acceleration. A failed mass air flow sensor will require replacement.

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2003 Lexus IS300 Questions

There is oil in the first spark plug, between cylinder one and two. (1 answer)

ive also been losing oil somewhere. I change the oil on time every month and lately when I check it it is too low. i popped off the valve cover and took a look and oil is in the channel where spark plgs are.

Oil leak coming from front of engine Found at oil change 98,000 miles (2 answers)

I went in for an oil change and it was found at the oil change when they pulled the under-body back that I had oil leaking from the front of the engine. Still had plenty of oil on the dip stick and also the car has NOT been running hot. So no other symptoms so to speak. That car place does not do...

how hard is the ac drier to replace? i need to replace it (2 answers)

or does the entire condensor need to be replaced

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2003 Lexus IS300 Reviews

The interior finish on the dash of my IS300 has per other observations from stories I've read started to "melt" when touched. Dealership stated problem due to use of Armor All which I did use over last few year. I removed interior dash per instructions I obtained on line and used solution of ammonia, water and dish soap to rub off all paint on the dash. It came off like black tar, then I purc...
I have a 2003 is300. My wife talked me out of a Cooper S and I'm happy she did, cause this car is great!
IS300 SportDesign. Love the car, great engine, very quiet with lots of spunk. It will keep up with my SL500 up until about 90mph. Great body style and attention grabbing wheels (13 spoke). It handles very will with the SportDesign suspension, much better than the non-SportDesign models. Almost as good as my Porsch 968 and definitely faster. Passenger side dash airbag cover is fading even tho...

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