my 1999 RX300 sputters bad, the code pulled pa300. The plugs and coilpacks are newwithin the last 6 months, have gone theough 2 tanks of super gas and gas treatment, sputter comes and goes. What else

Asked by Mar 22, 2015 at 06:08 PM about the Lexus RX 300

Question type: Maintenance & Repair

4 Answers

P0300 is random misfire, a vague DTC. You are wasting money on Premium gas and treatments unless you have water in tank. Is the CEL on?

246,475

Clean the MAF? Lot of how too's on youtube.

1 of 1 people found this helpful.

cel is not on, will try maf

tried new MAF, and air filter. Cleaned throttle body, still sputtering. check engine light comes and goes still 300 codes. Any other ideas?

Your Answer

Add photo

Related Questions

RX 300

Looking for a Used RX 300 in your area?

CarGurus has 806 nationwide RX 300 listings starting at $2,995.

ZIP:

Search Lexus RX 300 Questions

Lexus RX 300 Experts

#1 Rx300_21001
Rx300_21001
Reputation 1,870
#2 John Orlando
John Orlando
Reputation 990
#3 mrsvirtuous
mrsvirtuous
Reputation 680
View All

Related Models For Sale

Used Lexus RX 350
310 Great Deals out of 20,928 listings starting at $5,795
Used Lexus RX 330
56 Great Deals out of 1,441 listings starting at $3,750
Used Toyota Highlander
391 Great Deals out of 26,417 listings starting at $2,500
Used Lexus RX 450h
28 Great Deals out of 1,826 listings starting at $12,995
Used Lexus RX 400h
19 Great Deals out of 497 listings starting at $4,500
Used Honda CR-V
1,030 Great Deals out of 57,426 listings starting at $1,000
Used Toyota RAV4
888 Great Deals out of 64,805 listings starting at $1,990
Used Toyota Camry
1,223 Great Deals out of 85,031 listings starting at $750
Used Toyota 4Runner
238 Great Deals out of 19,390 listings starting at $1,500
Used Acura MDX
302 Great Deals out of 17,807 listings starting at $1,900
Used Lexus NX 200t
74 Great Deals out of 7,645 listings starting at $24,994
Used Lexus LX 470
8 Great Deals out of 276 listings starting at $5,900
Used Lexus ES 300
22 Great Deals out of 918 listings starting at $1,495
Used BMW X5
482 Great Deals out of 15,030 listings starting at $1,499
Used Nissan Murano
412 Great Deals out of 25,357 listings starting at $1,499

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.