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P0436: Catalyst Temperature Sensor Circuit Range/Performance Bank 2 Sensor 1

Severity
Low
NHTSA Reports
1
Vehicles Affected
1
System
Powertrain

What Does P0436 Mean?

P0436 is a diagnostic trouble code indicating: Catalyst Temperature Sensor Circuit Range/Performance Bank 2 Sensor 1. This code relates to the emission controls system. It has been reported in NHTSA complaints across 1 different vehicle models.

Symptoms of P0436

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"MY SERVICE ENGINE SOON LIGHT CAME ON DURING NORMAL DRIVING. RAN THE CODE THROUGH A SCANGAUGE COMPUTER AND RETURNED P0436 WHICH IS A FUEL LEVEL CIRCUIT HIGH IMPUT. IT IS A VERY COMMON ISSUE THAT MAKE THE FUEL GAUGE READ INCORRECTLY AND COULD RESULT IN A LOSS OF POWER IN THE LANE OF TRAFFIC WHICH MAKE"

— Nissan Xterra owner, 04/14/2012

Source: NHTSA Complaints Database

Most Reported Vehicles for P0436

Based on NHTSA owner complaint data.

# Vehicle Reports
1 NISSAN XTERRA

Frequently Asked Questions

Can I drive with this emission code?
Usually yes for short trips, but your vehicle will fail emissions testing and may have reduced fuel economy.
Is this covered under the emissions warranty?
Possibly. Federal law requires 8-year/80,000-mile coverage for catalytic converters and major emission components. Check with your dealer.
Can I just clear the code?
Clearing the code without fixing the problem means it will return, usually within a few drive cycles.

What To Do Next

Possible Fixes

  • 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
  • 🔧 Check for vacuum leaks in the intake and emission control systems
  • 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

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