can i bad TPS cause p0420 code?
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Pole Position
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can i bad TPS cause p0420 code?
hey guys just replaced all four o2 sensors and both flange gasket after each cat on my gs400 to get rid of the nasty p0420 code that comes and goes, in the past week or so ive been getting VSC OFF and CHECK ENGINE light and a p0120 code which is throttle/pedal position sensor malfunction, already ordered a TPS on amazon to fix that code. so can bad TPS causes p0420 code in anyway?
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