Engine Sensors and Diagnostic Systems

OBD2 diagnostic codes are essential for identifying modern engine problems. Sensors provide real-time data that the engine control unit uses to adjust performance.

This category teaches you how to diagnose sensor failures and interpret diagnostic data correctly.

Common problems covered:

Check engine light diagnosis
Faulty sensor readings
OBD2 code interpretation
Data-driven troubleshooting

Learn how to use diagnostic tools and avoid guessing when repairing your vehicle.

Automotive Sensors: Monitoring Your Vehicle’s Vital Signs

10/27/2024

Before the use of computerized automotive sensors, fixing a car was way easier. In the old days, it was a lot different. For instance, either moving a distributor, or adjusting a screw on a carburetor, […]

Engine Coolant Temperature (ECT) Sensor Location

Engine Coolant Temperature (ECT) Sensor: Failure Signs: Testing

09/23/2024

The engine coolant temperature (ECT) sensors function, is to monitor the temperature of the engine’s coolant. So, most engine coolant temperature (ECT) sensors operate, using electrical resistance to measure the temperature of the coolant. The […]

Engine Spark Knock Images Showing Normal and Premature Combustion

Engine Spark Knock: Causes, Symptoms, and Solutions

07/08/2024

Engine spark knock, sounds like a metallic knocking, pinging or rattling noise, coming from your engine. Engine spark knock, is usually heard, during moderate to heavy engine acceleration. And, usually occurs after the engine, has […]

(ECT) Engine Coolant Temperature Sensor – What Can Go Wrong

03/02/2024

The (ECT) sensor, is an engine management system sensor. And, is used to monitor, the temperature of the engine’s coolant. The tip of the (ECT) sensor, protrudes into one of the cooling system passages, and […]

Mass Air Flow Sensor (MAF): Measuring Volume, Density, Temperature

02/20/2024

Almost all newer vehicles on the road today, use a mass air flow sensor (MAF). The mass air flow sensor, measures the volume and density, of the air entering the engine. In addition, it also […]

COPYRIGHT © 2026 Danny's Engineportal by Danny Bender - DISCLAIMER: All wallpapers and backgrounds found here are believed to be in the "public domain". Most of the images displayed are of unknown origin. We do not intend to infringe on any legitimate intellectual right, artistic rights or copyright. If you are the rightful owner of any of the pictures/wallpapers posted here, and you do not want them to be displayed or if you require a suitable credit, then please contact us and we will immediately do whatever is needed either for the image to be removed or provide credit where it is due. Thank You !