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Posts Tagged: P0030

P0030, P2237 Kia

Diagnose and fix P0030, P2237 Kia Kia has issued a service bulletin # ENG030 to fix a P0030, P2237 Kia problem. The bulletin applies to 2004-2006 Kia Spectra vehicles with trouble codes P0030, P0031 or P2237. P0030 HO2S Heater – Heater Control Circuit (Bank 1 / Sensor 1) P2237 HO2S Pumping Current Circuit/Open (Bank 1 / Sensor 1) Cause of P0030, P2237 Kia Kia has determined that the cause of the P0030, P2237 Kia problem is faulty terminals, not faulty oxygen sensors. Kia has a repair kit Part Number 91452 … Read More


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