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Mazda Engine Codes

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Engine Code Engine Code Description
P1135HO2S Bank 1 Sensor 1 Heater Circuit Low Input
P1136HO2S Bank 1 Sensor 1 Heater Circuit High Input
P1137HO2S Bank 1 Sensor 2 Not Switching (Fuel Control Limit Reached)
P1138HO2S Bank 1 Sensor 2 Signal Above 0.45v (A/F Ratio Too Rich)
P1141HO2S Bank 1 Sensor 2 Heater Circuit Low Input
P1142HO2S Bank 1 Sensor 2 Heater Circuit High Input
P1143HO2S Bank 1 Sensor 3 Signal Below 0.45v (A/F Ratio Too Lean)
P1144HO2S Bank 1 Sensor 3 Signal Above 0.45v (A/F Ratio Too Rich)
P1150HO2S Bank 2 Sensor 1 Not Switching (Fuel Control Limit Reached)
P1151HO2S Bank 2 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean)
P1152HO2S Bank 2 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich)
P1169HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)
P1170HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)
P1173HO2S Bank 2 Sensor 1 Circuit Fixed (Bank 2 Sensor 1)
P1195EGR Boost Sensor Circuit
P1196Ignition Switch Start Circuit
P1235Fuel Pump Control Circuit
P1236Fuel Pump Control Out Range
P1250Pressure Regulator Control Solenoid Circuit
P1252Pressure Regulator Control Solenoid '2' Circuit
P1260Anti-Theft System Signal Detected - Engine Disabled
P1270Engine RPM or Vehicle Speed Limit Reached
P1309Misfire Detection Monitor
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