TampRX300 Posted February 23, 2008 Share Posted February 23, 2008 Well, I can't believe how long I went without joining this site. I have a 99 RX300 with 93K miles. Today, the traction control light came one, the one that marks off and it stopped shifting after 3rd gear. There is no change when I turn the OD on or off and the traction control off light comes on after I start the car and drive for a little while. Any ideas? I've read around here about the knock sensor, but why is my traction control light coming on and not my CEL? Any ideas or solutions will be greatly appreciated. Thanks. Quote Link to comment Share on other sites More sharing options...
wwest Posted February 23, 2008 Share Posted February 23, 2008 Well, I can't believe how long I went without joining this site.I have a 99 RX300 with 93K miles. Today, the traction control light came one, the one that marks off and it stopped shifting after 3rd gear. There is no change when I turn the OD on or off and the traction control off light comes on after I start the car and drive for a little while. Any ideas? I've read around here about the knock sensor, but why is my traction control light coming on and not my CEL? Any ideas or solutions will be greatly appreciated. Thanks. Does the CEL light illuminate at all..?? An aging and degraded performance engine might result in both symptoms, the engine simply cannot produce the torque required at the low RPM in OD and the ECU has "learned" that and the factory considered taht SOP (at those miles and age) so no CEL. Quote Link to comment Share on other sites More sharing options...
TampRX300 Posted February 23, 2008 Author Share Posted February 23, 2008 no CEL at all. In fact, the only light that comes on after a while is the Trac Off light. If I'm cruising and turn off the car, shift to neutral, I can feel the torque release and engage into OD. When I crank it right up still at cruising speeds of 40 or above, and engage into D again, it will work fine and respond to all gears and OD. Weird, but I'm afraid to expect more trouble. Quote Link to comment Share on other sites More sharing options...
wwest Posted February 23, 2008 Share Posted February 23, 2008 Sorry, my question involved the CEL bulb/circuit test when you first switch the ignition on. Does the CEL bulb work..?? Quote Link to comment Share on other sites More sharing options...
TampRX300 Posted February 23, 2008 Author Share Posted February 23, 2008 Hmmm.... Went out and checked. NO! The engine light does not light up when starting like the rest of them. I probably have a code and don't even know it. Will make a trip to autozone... Quote Link to comment Share on other sites More sharing options...
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