Posts Tagged: P0030
P0030 Code — What it means, how to fix
Learn what a P0030 code means, the most likely causes, and how to diagnose and fix the problem A P0030 code is defined as an HO2S Heater Control Circuit (Bank 1 Sensor 1). This is a generic code, as opposed to a manufacturer-specific code, and it pertains to the heater circuit for the upstream oxygen sensor. The upstream oxygen sensor is located before the catalytic converter and is used to monitor oxygen in the exhaust stream, as opposed to the downstream oxygen sensor which monitors catalytic converter efficiency. Why the … Read More
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