My gas mileage is decreasing. Anything I can do? Gets 14.5 mpg and used to get 17. Love car just not mpg

Asked by Sep 01, 2013 at 11:34 AM about the 1999 Lexus RX 300 Base

Question type: Maintenance & Repair

3 Answers

241,575

Keep tires inflated to proper pressure, and car in good running order.

94,925

The RX300 we had started doing the same thing, Gave it a good tune up with platinum plugs changed all of the filters and an injector clean and my mileage went back to 20.4 at 55 mph. Speed limit out here is 55 unless you are on the interstate.

1 of 1 people found this helpful.
75

You need iridium plugs btw, not platinum.

Your Answer

Add photo

Related Questions

RX 300

Looking for a Used RX 300 in your area?

CarGurus has 780 nationwide RX 300 listings starting at $2,200.

ZIP:

Search Lexus RX 300 Questions

Lexus RX 300 Experts

#1 Rx300_21001
Rx300_21001
Reputation 1,850
#2 John Orlando
John Orlando
Reputation 970
#3 mrsvirtuous
mrsvirtuous
Reputation 660
View All

Related Models For Sale

Used Toyota Camry
1,103 Great Deals out of 90,763 listings starting at $1,599
Used Toyota RAV4
890 Great Deals out of 67,128 listings starting at $1,990
Used Honda CR-V
920 Great Deals out of 59,352 listings starting at $1,990
Used Lexus LX 470
9 Great Deals out of 287 listings starting at $4,495
Used Toyota 4Runner
261 Great Deals out of 19,022 listings starting at $2,500
Used Honda Accord
947 Great Deals out of 77,741 listings starting at $899
Used Lexus GS 300
28 Great Deals out of 758 listings starting at $2,700
Used Lexus ES 300
11 Great Deals out of 900 listings starting at $1,495

Used Cars For Sale

2003 Lexus RX 300 Base For Sale
4 Great Deals out of 32 listings starting at $4,588
2002 Lexus RX 300 Base For Sale
3 Great Deals out of 40 listings starting at $3,999
2001 Lexus RX 300 Base For Sale
54 listings starting at $3,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.