raphaelstern79
RX Reduced Engine Power Chip Tuning
Summary of the thread
The issue of reduced engine power in a 2014 Lexus RX was suspected to be caused by faulty chip tuning. Aftermarket chip tuning can introduce instability in the engine management system, leading to stored error codes and reduced performance. The recommended solution is to consult a trusted workshop to verify and correct the tuning, which resolved the issue in this case.
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4 comment(s)
raphaelstern79 (community.author)
Chip tuning was performed. Could that be the source of the fault code? Is the car computer overly sensitive?
gabrielflamme19
Indeed. The issue with aftermarket chip tuning, especially from third-party providers, is its potential to introduce instability within the engine management system. It's advisable to consult with a trusted workshop to verify the tuning's integrity and address any resultant fault codes.
raphaelstern79 (community.author)
Confirmed faulty chip tuning. Workshop visit and correction cost 180€. Thanks.
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LEXUS
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RX
gabrielflamme19
I have an RX as well. Reduced power and stored errors...sounds familiar. Were any aftermarket performance tuning or modifications done to the car's computer?