open loop

1999 KIA VISTO
250,000 MILES • 0.8L • 4 CYL • FWD • MANUAL
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KHALIDDVD
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  • 56 POSTS
is car PCM use TPS, MAF and MAP sensors for setting air/fuel ratio when lost (oxygen) o2 sensor signal?
Nov 16, 2016 at 12:22 AM
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HMAC300
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  • 48,601 POSTS
if check engine light is on it is in open loop . any sensor can cause it to go on in engine or transmission. have it scanned for codes auto parts does for free.
Nov 16, 2016 at 7:18 AM