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sven_dunkel1
Lexus LS power loss and stalling
4 comment(s)
sven_dunkel1 (Author)
The stalling does seem worse when the engine is cold. I haven't checked the air-fuel ratio. What codes should I be looking for? Did you resolve the issue on your LS, and how?
robinhofmann90
Cold stalling points away from the O2 sensor. Check for codes related to fuel injectors or misfires; those were the ones I was getting. Turns out, one of my injectors was bad. If you're getting similar codes, take it to a trusted workshop for diagnosis and potential injector replacement. Best not to mess with the fuel system yourself if you're not experienced. I let the pros handle it.
sven_dunkel1 (Author)
I appreciate the insights. A workshop visit is necessary. I will ask them to investigate the injectors. Thanks for sharing your experience; it has been most helpful. They quoted me 515€ for the repair, hopefully that fixes it.
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robinhofmann90
I had similar symptoms with my LS, check engine light and stalling. Was it worse when the engine was cold? Any codes when you scanned it? Could be a bad oxygen sensor, spark plugs, or even a catalytic converter. What air-fuel ratio are you seeing?