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View Poll Results: What check engine light codes have you had?
MAF-P0100/0101 12 9.60%
IAT-P0110 0 0%
ECT-P0115/0116 2 1.60%
TPS-P0120/0121 1 0.80%
INCOOLTEMP- P0125 14 11.20%
AFOXYSEN- P0136/0141/1130/1133/1135/1150/1153/1155 63 50.40%
LEANRICH-P0171/P0172 44 35.20%
MISFIRE-P0300/0301/0302/0303/0304/0305/0306 24 19.20%
KNOCK-P0325/0330 9 7.20%
CPS-P0335/0340/1335 0 0%
CAT-P0420 4 3.20%
EVAP-P0440/0441/0446/0450/0451 19 15.20%
VSS-P0500 2 1.60%
IDC-P0505 3 2.40%
ICT-P1300/1305/1310/1315/p1320/1325 1 0.80%
VVT-P1345/1346/1349/1350/1351/1354 6 4.80%
STOPL-P1520 0 0%
ECM-P1600 1 0.80%
ECU-P1645 0 0%
OCV-P1656/1663 0 0%
IGNIT-B2785/2786 0 0%
KEY-B2791/2795 0 0%
COMM-B2796/2797/2798 0 0%
Other/Had CEL but do not know what it was 19 15.20%
Multiple Choice Poll. Voters: 125. You may not vote on this poll

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Old 01-12-08, 04:17 PM   #1
Lexmex
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Default What CEL (check engine light codes) have you had?

I tried to set up this poll a few times with no luck, so this is my latest attempt. I have grouped similar codes together without text.

Many thanks to Bob2200 for suggesting this.

--------

Note: September 11, 2009

If you have additional codes you would like to add to this list (since you can only take the poll once), I will add to the poll any mention of specific codes I find in threads in the 1st generation RX forum.
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Homepage of my 1999 RX300 AWD

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Old 11-28-08, 12:37 PM   #2
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Codes can be accessed via an OBD2 scanner. AutoZone and many car parts stores often will read the codes for you for free.

The location for the input of the scanner is here. There is a black plastic cover that easily comes off to reveal the OBD port.
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Homepage of my 1999 RX300 AWD

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Old 01-25-09, 09:23 PM   #3
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OBD2 code scanners are relatively inexpensive and work across a variety of vehicles (generally 1996 model vehicles and newer). This is my trusty Actron CP9125 that I purchased for under $100 USD. They pay for themselves.

Amazon.com and better yet ebay are inexpensive places to find these scanners for much less than sold at auto parts stores. Many advanced scanners for under $100 USD can access information such as A/F sensor readings, coolant temperature, air intake temperature. In addition, if you have laptop there are many programs (with purchase of applicable hardware) that can connnect the laptop to your vehicle to enable the greatest amount of information to be displayed.

I recommend if you also have a 2005 or later model year vehicle (though there are some 2003-04 vehicles this will apply to) in addition to your RX300 to get a scanner that has the CAN protocol in order to work with those newer vehicles. An OBD2 scanner with or without CAN will still be able to scan your RX300. However, I highly recommend to pay the slight extra $$$ to get a CAN OBD2 scanner to increase its usefulness for all vehicles you may own. One other note, most vehicles before 1996, used OBDI, which is not compatible with an OBDII scanner.

All vehicles sold in the US effective the 2008 model year use CAN.
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Homepage of my 1999 RX300 AWD

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0301, 0441, 0446, 1130, 1135n, 1310, 1999, actron, code, engine, es300, lexus, ls400, obd2, ocv, po115, rx300

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