Completely random stalling
Thread Starter
7th Gear
Joined: Apr 2021
Posts: 7
Likes: 0
From: 6
Completely random stalling
Hi Everyone, got a 2010 Lexus IS F and love the car to death.
I have been having this annoying intermittent stalling issue that seems to be completely random. When I’m stopped and idling, the rpm’s will jump and drop with the occasional stall. The car then has difficulties starting back up but on the 3rd or 4th try it will usually work. Won’t happen for weeks in between with no signs or warnings. Seems to happen slightly more often in cooler/rainy weather (could be coincidental). Car doesn’t throw any codes out.
Tried to get Lexus to diagnose with no success as the issue was not happening.
no apparent vacuum leak and spark plugs are fairly new and new battery. Car idles at 700 with AC on and 500 with it off. Looks like previous owner had made some potential modifications, but seems like it’s back in original condition.
any idea out there that could be causing this? Makes for some annoying background stress when I’m driving, especially at a red light lol.
thanks in advance!!!
I have been having this annoying intermittent stalling issue that seems to be completely random. When I’m stopped and idling, the rpm’s will jump and drop with the occasional stall. The car then has difficulties starting back up but on the 3rd or 4th try it will usually work. Won’t happen for weeks in between with no signs or warnings. Seems to happen slightly more often in cooler/rainy weather (could be coincidental). Car doesn’t throw any codes out.
Tried to get Lexus to diagnose with no success as the issue was not happening.
no apparent vacuum leak and spark plugs are fairly new and new battery. Car idles at 700 with AC on and 500 with it off. Looks like previous owner had made some potential modifications, but seems like it’s back in original condition.
any idea out there that could be causing this? Makes for some annoying background stress when I’m driving, especially at a red light lol.
thanks in advance!!!
Pit Crew
Joined: Aug 2016
Posts: 236
Likes: 111
From: California
Hi Everyone, got a 2010 Lexus IS F and love the car to death.
I have been having this annoying intermittent stalling issue that seems to be completely random. When I’m stopped and idling, the rpm’s will jump and drop with the occasional stall. The car then has difficulties starting back up but on the 3rd or 4th try it will usually work. Won’t happen for weeks in between with no signs or warnings. Seems to happen slightly more often in cooler/rainy weather (could be coincidental). Car doesn’t throw any codes out.
Tried to get Lexus to diagnose with no success as the issue was not happening.
no apparent vacuum leak and spark plugs are fairly new and new battery. Car idles at 700 with AC on and 500 with it off. Looks like previous owner had made some potential modifications, but seems like it’s back in original condition.
any idea out there that could be causing this? Makes for some annoying background stress when I’m driving, especially at a red light lol.
thanks in advance!!!
I have been having this annoying intermittent stalling issue that seems to be completely random. When I’m stopped and idling, the rpm’s will jump and drop with the occasional stall. The car then has difficulties starting back up but on the 3rd or 4th try it will usually work. Won’t happen for weeks in between with no signs or warnings. Seems to happen slightly more often in cooler/rainy weather (could be coincidental). Car doesn’t throw any codes out.
Tried to get Lexus to diagnose with no success as the issue was not happening.
no apparent vacuum leak and spark plugs are fairly new and new battery. Car idles at 700 with AC on and 500 with it off. Looks like previous owner had made some potential modifications, but seems like it’s back in original condition.
any idea out there that could be causing this? Makes for some annoying background stress when I’m driving, especially at a red light lol.
thanks in advance!!!
Last edited by Toprawman; Jun 19, 2023 at 02:41 PM.
Pole Position
Joined: Feb 2015
Posts: 2,673
Likes: 408
From: Colorado
I had this same issue months ago. Your car might not show a CEL but it has likely thrown a code(s). Did Lexus scan for codes? Pull the codes and see what they are. I do not remember what the code numbers were that I had, but the car threw a rough idle code and something else with no dash lights. I reset the codes. A little BG 44K & was all good the codes did not come back. My advice would be to pull codes even though there may be any dash light.
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