CEL Flashing When Driven Above 90mph - McLaren Life
  • 1 Post By scottch
  • 1 Post By EatSleepBoost
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post #1 of 4 Old 05-16-2019, 03:47 PM Thread Starter
Join Date: Sep 2016
Posts: 7
CEL Flashing When Driven Above 90mph

Felt slight loss of power when that happens.

Please provide feedbacks if you have experienced such situation.
CEL goes away when driving below 90 mph.
It's a 2012 with 30k miles, all services done up to date.

Thank you all,

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post #2 of 4 Old 05-16-2019, 03:58 PM
Join Date: Mar 2015
Location: San Francisco Bay Area
Posts: 363
Buy a $25 OBD2-bluetooth dongle and OBD2 cellphone app. It will read out the fault code and maybe tell you the offending sensor (McLaren uses a lot of proprietary codes which aren't in the OBD2 generic set)
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post #3 of 4 Old 05-16-2019, 04:02 PM
Join Date: Nov 2018
Posts: 19
A flashing cel means there is currently a misfire. Certainly will give a loss of power. Should be able to pull the code and figure out what cylinder or cylinders are misfiring.
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post #4 of 4 Old 05-16-2019, 04:49 PM Thread Starter
Join Date: Sep 2016
Posts: 7
Will do that. I thought only Mclaren can pull the code.
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