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CEL and Bulb failure light on when press brake after staring car


Calikid13

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 I have a 1990 Lexus LS400 and the check engine light and bold failure light is on. When I disconnect my battery to clear red I'll start the car and it won't be on it will come back on only when I step on the break when I'm stopped. But I don't have any lights I need to be replaced. Would anyone have an idea what this could be?

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probably noting to do with the bulbs but possibly ABS or braking system itself. Also the CEL may be something different to the brake warning light. You need to get a code from the CEL and let us know what you get.

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You could check the brake light switch is actually working...I believe there is a pad that drops off the pedal therefore not allowing the switch to be activated when the pedal is pressed...worth checking at least

 

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  • 4 months later...

Thanks I appreciate your help. And I have pulled the codes and the only one coming up is 78. And that's the O/D light blinking. Which believe is when u push the pedal all the way down it's not going far enough to activate the switch. I think. And then the check engine light won't even blink at all!! If there were no codes thought it would blink continuously. But doesn't even come on

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