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P2195 on Dodge Challenger

O2 Sensor Signal Biased / Stuck Lean (Bank 1 Sensor 1)

Factory diagnostic protocol and troubleshooting wire for fault code P2195 specifically for the Dodge Challenger (2020–2026, 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)).

Verified OEM Telemetry & Field Repair Tree
Dodge Challenger2020–2026
Dodge Challenger
Coupe3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Challenger SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
High urgency level
Est. Repair Cost
$150 - $450 (DIY: $60 - $180)
Parts & Labor DIY
Check P2195 On Another Dodge Model:
Diagnose P2195 on Specific Challenger Model Year:

1. Symptoms of P2195 on Dodge Challenger

When the Engine Control Module (ECM/PCM) on your Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)) logs fault code P2195, drivers commonly observe:

Check Engine Light on on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Drop in fuel economy (15–20% MPG loss) on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Slight engine hesitation or black soot on exhaust tip on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Failed emissions test on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Dodge Challenger OBD-II Port Location
The 16-pin diagnostic connector is located Under driver dash left of center stack. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Dodge Challenger

Historical warranty claims and technical repair bulletins for Dodge Challenger point to the following failure distribution:

55%
Contaminated or failing upstream Air-Fuel Ratio (AFR) / O2 sensor (Dodge OEM Part)
25%
Exhaust manifold crack or gasket leak before the sensor (Dodge OEM Part)
12%
Severe intake air leak or unmetered air downstream of MAF (Dodge OEM Part)
8%
Low fuel pressure or clogged fuel injector (Dodge OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Dodge Challenger.

3. Step-by-Step DIY Repair Guide for Dodge Challenger

01
Inspect Bank 1 Exhaust Manifold for Cracks

Check exhaust manifold near Bank 1 Sensor 1 for cracks or blown gaskets sucking in fresh air. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Flashlight, Mirror
02
Monitor Air-Fuel Sensor Current / Voltage

Check B1S1 AFR sensor output. On Toyota/Lexus, 3.3V is stoichiometric; a sensor stuck at 4.0V+ indicates lean bias. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: OBD-II Scanner
03
Introduce Propane/Carb Cleaner to Test Response

Briefly spray unlit propane into intake. If sensor voltage does not quickly drop rich, the sensor element is poisoned. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Propane Torch Valve or Carb Cleaner
04
Replace Upstream Air-Fuel Ratio Sensor

Install a new genuine OEM Denso / Bosch upstream A/F sensor. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: 22mm O2 Sensor Socket, Ratchet
05
Clear Trouble Codes & Reset Fuel Trims

Clear DTCs, reset ECU learned trims, and road test. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Dodge Challenger (P2195)

Prime Fast Delivery & Verified Fitment
Direct-Fit Replacement Part

Dodge Challenger OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Dodge Challenger.

$45 – $95 Prime
Check Fitment on Amazon
Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
View on Amazon
Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Dodge ChallengerVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Dodge Challenger

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Dodge Challenger:

4. Dodge Challenger P2195 FAQs

What causes code P2195 to trigger on a Dodge Challenger?

On the Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)), P2195 is most frequently caused by Contaminated or failing upstream Air-Fuel Ratio (AFR) / O2 sensor or Exhaust manifold crack or gasket leak before the sensor.

Where is the OBD-II port located on my Dodge Challenger?

On the Dodge Challenger, the 16-pin DLC diagnostic connector is located Under driver dash left of center stack. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Dodge Challenger with code P2195?

Caution. ECU may over-enrich fuel mixture trying to compensate for a falsely reported lean signal. Given that P2195 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.