Tomorrow's Technician

MAY 13, 2024

This standardized many of the onboard emissions protocols and codes and allowed states to perform onboard emissions testing. As time passed, even large trucks and motorcycles adopted this same method to test the emissions status of a vehicle. The freeze frame data is stored when a test fails or a DTC is set.

Check Engine Light 189

Check Engine Light Emissions Testing Engineering Banking 189

RepairSmith

JULY 17, 2024

Definition of OBD-II trouble code P0158: The P0158 code stands for “O2 Sensor Circuit High Voltage (Bank 2, Sensor 2).” ” It shows that the powertrain control module (PCM) detects a high voltage signal from the oxygen sensor located in Bank 2, Sensor 2. This is often called a “rich” condition.

Banking 52

Banking Engineering Check Engine Light Emissions Testing 52

RepairSmith

JULY 17, 2024

Definition of Diagnostic Trouble Code (DTC) P0157 Diagnostic Trouble Code (DTC) P0157 stands for “Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 2).” ” This code appears when the downstream oxygen sensor on Bank 2 shows a low voltage signal for too long.

Banking 52

Banking Check Engine Light Emissions Testing Engineering 52

RepairSmith

JANUARY 15, 2024

Power Loss When you hit the gas pedal, your vehicle’s fuel pump increases the fuel flow to the engine to gain more power. However, when the pump is bad, your vehicle won’t accelerate smoothly and may lose power due to fuel starvation. A modern vehicle may have an electric fuel pump inside the gas tank. Let’s find out.

Check Engine Light 52

Check Engine Light Engineering Emissions Testing Mechanic 52