I have a 2004 kia amanti, check engine light was on and i was told to change the o2 sensor and catalyic converter. I changed out the down stream o2 sensor and now the engine is idling high

Asked by Sep 27, 2016 at 05:10 PM about the 2004 Kia Amanti Base

Question type: Maintenance & Repair

my car will not go over 20mph, and is getting hot quickly.
i bought the direct fit catalyic converter as told, however
now the mechanic is saying that it may be an electrical
problem yet there was no problem with my car before the
o2 sensor was touched

1 Answer


You should get another check engine code. It may be the throttle body or another sensor like the TPS throttle positioning sensor

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