rahulcinca Posted August 2, 2012 Share Posted August 2, 2012 My 1999 Lexus ES 300 stops all of sudden while driving. This usually happens in stop and go traffic or at traffic light. Also, the check engine light turns on. After the re-start, Check Engine Light goes away and car runs smooth. Any thoughts what is causing the car to stop all of sudden? Quote Link to comment Share on other sites More sharing options...
kickflipsandcoffee Posted August 15, 2012 Share Posted August 15, 2012 I had the same problem w/ my ES... The problem was the idle being set to low. Normal rpm is set at around 1500 but mine was bottoming out under 0. Especially when I slowed down from braking. When I started my car my rpm would barely jump. It's a really simple fix.. Just as yur Mechanic to turn yur idle control up. Yu can actually do it yourself no problem. Hope it helps.... Quote Link to comment Share on other sites More sharing options...
lenore Posted August 15, 2012 Share Posted August 15, 2012 Could be a dirty IACV valve, but first thing is to have the codes read. They should be stored in computer. Quote Link to comment Share on other sites More sharing options...
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