Solution for P0115 and P0135 codes

Question

The car is not starting, what could possibly the problem is

Answer 1

HI there

The first code is for the coolant temp sensor, the second for the front O2 sensor heater circuit. These codes should not stop the car from starting. I would start with the basics and checking for fuel and spark.

P0135 TOYOTA - Heated Oxygen Sensor Heater Circuit Malfunction Bank 1 Sensor 1

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