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Software Focus: Efficient Diagnostics

Tomorrow's Technician

This truck is in with a check engine light and reduced power complaint. From the scan, we can see we have active DTCs for P0171 bank one too lean and P0308 for cylinder 8 misfire. We found this TSB that states code P0308 could be connected to a burned exhaust valve on the driver’s side bank.

Software 130
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Software Focus: Efficient Diagnostics

Brake & Front End

This truck is in with a check engine light and reduced power complaint. From the scan, we can see we have active DTCs for P0171 bank one too lean and P0308 for cylinder 8 misfire. We found this TSB that states code P0308 could be connected to a burned exhaust valve on the driver’s side bank.

Software 130
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Freeze Frame Diagnostics

Tomorrow's Technician

But, in some cases, the fastest way to get to the bottom of a check engine light might be to access the vehicle with generic protocols. Most engine control modules store only one freeze frame record per code. The freeze frame data is stored when a test fails or a DTC is set.

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PCV System DTC

Tomorrow's Technician

A customer may bring their vehicle to you with a complaint of an illuminated check engine light, reduced fuel economy, a strong smell of engine oil while the engine is running, etc. This is reason why some PCV failures will exhibit oil inside of the compressor housing, outlet pipe, and/or intercooler piping.

Banking 130
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P0157 Code – Oxygen Sensor Circuit Low Voltage Guide

RepairSmith

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
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What Does Code P0158 Mean?

RepairSmith

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. Rough Idle : The engine might run unevenly.

Banking 52
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Understanding Engine Control Module Trouble Codes

Wayne's Automotive Center

Nonetheless, if the ECM experiences a circumstance it can’t account for, it turns on the Check Engine light. The Check Engine light is known as the “service motor soon” light on certain vehicles.) Reno and Sparks drivers need to comprehend that doing so can cause significant harm.