Exhaust Temperature Sensor - XEPS141 - CI
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Product Information
Full details
The CI Ignition XEPS141 Exhaust Temperature Sensor is designed for automotive technicians and vehicle owners looking to monitor exhaust gas temperatures for optimal engine performance and diagnostics. Its key benefit is providing accurate temperature readings crucial for modern engine management systems, though precise installation is required for reliable function. This sensor features a robust M14 x 1.5 thread, a 2-pin connector, and a 285mm cable length.
All features
| Model Part Number | XEPS141 |
|---|---|
| Brand | Ci Ignition |
Extended Product Information
FAQs
What does an exhaust temperature sensor do?
It measures the temperature of the exhaust gases exiting the engine. This data is used by the Engine Control Unit (ECU) to optimize engine performance, manage emissions, and protect components like the turbocharger and catalytic converter.
How do I know if my exhaust temperature sensor is failing?
Symptoms can include a Check Engine Light, reduced engine power, poor fuel economy, or unusual exhaust smells. Diagnostic trouble codes (DTCs) related to EGT sensors are the most reliable indicator.
Can I install the XEPS141 myself?
Yes, if you have basic automotive tools and mechanical experience. The installation involves unscrewing the old sensor and screwing in the new one. However, if you are unsure, it is best to have a professional mechanic perform the installation.
What is the thread size of this sensor?
The CI Ignition XEPS141 has an M14 x 1.5 thread size.
What vehicles is this sensor compatible with?
This sensor is compatible with specific Audi models, including the A4 B8 (8KH) 3.0 TDI quattro and A4 B7 (8EC) 2.7 TDI. It also cross-references with various other brands and replaces VAG OEM part number 059906088A.
What is the cable length?
The cable length for the CI Ignition XEPS141 is 285 mm.
How do I clean the sensor if it gets dirty?
Exhaust temperature sensors are generally not designed to be cleaned. If a sensor is malfunctioning due to contamination, it typically needs to be replaced. Ensure the connector is kept clean and free from debris.
Troubleshooting
Check Engine Light (CEL) illuminated with EGT sensor codes
Verify the electrical connection is secure. Inspect the wiring harness for damage. Ensure the sensor is correctly installed and tightened. If the problem persists, the sensor may be faulty and require replacement.
Poor engine performance or reduced power
An inaccurate or failed EGT sensor can affect engine management. Check for related diagnostic trouble codes (DTCs). Ensure the sensor is functioning by testing its resistance or voltage output (requires a multimeter and service manual) or replace it if suspected.
Sensor not recognized by ECU
Confirm the part number and vehicle compatibility. Ensure the connector is fully seated and free of debris or corrosion. Check for any shorts or open circuits in the wiring between the sensor and the ECU.
Pros and Cons
Pros
- Ensures accurate engine management through precise temperature readings.
- Durable design for long-term use in harsh exhaust environments.
- Direct fit for specified VAG models and cross-references many other brands.
- Easy installation with standard thread size and adequate cable length.
- Contributes to better fuel efficiency and reduced emissions when functioning correctly.
Cons
- Requires professional installation or automotive expertise for proper function.
- Limited to specific vehicle models and engine types indicated by compatibility data.
- Sensor failure can lead to performance issues or check engine lights.
- No built-in diagnostic features; relies on external ECU for interpretation.
- Specific tool (17mm spanner) required for installation.
Setup, Compatibility & Care
Setup:
- Ensure the vehicle's engine is cool before beginning.
- Locate the existing exhaust temperature sensor.
- Disconnect the electrical connector from the old sensor.
- Using a 17mm spanner, carefully unscrew and remove the old sensor.
- Clean the sensor port threads on the exhaust system.
- Screw the new CI Ignition XEPS141 sensor into the port by hand to avoid cross-threading, then tighten securely with the spanner.
- Connect the 2-pin electrical connector until it clicks into place.
- Reconnect the battery if it was disconnected.
Compatibility:
This sensor is specifically designed to replace VAG OEM part number 059906088A. It is confirmed compatible with:
- AUDI A4 B8 (8KH) 3.0 TDI quattro Estate (Diesel, 04/2009 - 01/2012)
- AUDI A4 B7 (8EC) 2.7 TDI Saloon (Diesel, 01/2006 - 06/2008)
Always verify cross-references with parts from ELTA AUTOMOTIVE (EX5149), HELLA (6PT 358 181-161), INTERMOTOR (27146), LEMARK (LXT149), LUCAS (LGS7038), and MEYLE (114 800 0063) for broader application insights.
Care:
Exhaust temperature sensors are generally maintenance-free. However, proper installation is key to their longevity. Avoid overtightening the sensor, which can damage the threads or the sensor body. Keep the electrical connector clean and free of corrosion. If the sensor needs replacement, it indicates a potential issue within the exhaust system or engine management that should also be investigated.