P2080Emissions / Exhaust

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1

P2080 means the exhaust gas temperature (EGT) sensor for Bank 1 Sensor 1 is reporting a value outside the expected range. This sensor protects the catalyst and DPF and helps control regeneration. Causes include a failed EGT sensor, wiring issues, or an exhaust problem.

🚗 Yes, but exhaust temperature control and DPF regeneration may be affected.

MEDIUM

severity

🎯 Top Causes, Ranked by Likelihood

#1Failed EGT sensor$60-$300

40%

The sensor drifts out of range or reads inaccurately.

#2Wiring or connector fault near the exhaust$50-$250

30%

Heat-damaged wiring or corroded connectors skew the reading.

#3Exhaust leak or restriction$100-$500

20%

Leaks or restrictions change the actual exhaust temperature.

#4ECM or software issue$100-$500

10%

Rare, but a control fault can cause a range error.

🩺 Common Symptoms

Check engine light on
Possible reduced power or limp mode
DPF regeneration issues on diesels
May fail an emissions test

💰 Repair Cost: DIY vs Shop

DIY Cost

$50-$350

Shop Cost

$150-$600

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P2080

1Scan for related EGT and regeneration codes

2Compare EGT sensor readings against known good data

3Inspect the sensor wiring and connector for heat damage

4Check the exhaust for leaks or restrictions

❓ Frequently Asked Questions

Can I drive with a P2080 code?

Short-term yes, but exhaust temperature control and regeneration may be affected. Repair it soon.

How much does it cost to fix P2080?

A new EGT sensor with labor typically runs $150 to $600 at a shop.

What is the most common cause of P2080?

A failed EGT sensor or heat-damaged wiring are the most common causes.

🔗 Related Codes

P2084P2002P2000P0420P242F