^^^fuel filter. Or pwede mo unahin cleaning ng throttle body, servo or iacv ang tawag dun. Visit vios thread and may step by step dun nanpwedeng I-diy
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yep, tama.... unahin mo muna ipalinis yung throttle body and related sensors, tapos try to replace your fuel filter.
if it still fails, try to have your coolant temperature sensor checked or replaced.