AutoCodes – Dodge – P1292 Dodge

P1292 Dodge Code - Compressed Natural Gas Pressure Sensor Signal Too High

Quick Answer

With the key on or engine running, then the Powertrain Control Module (PCM) detects that the Compressed Natural Gas (CNG) Fuel Pressure sensor input was more than 0.49v. Common causes include Faulty Compressed Natural Gas (CNG) Pressure Sensor, CNG Pressure Sensor harness is open or shorted, CNG Pressure Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1292 Dodge indicates Compressed Natural Gas Pressure Sensor Signal Too High.
Common causes
Common causes include Faulty Compressed Natural Gas (CNG) Pressure Sensor, CNG Pressure Sensor harness is open or shorted, CNG Pressure Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 7,436
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 07, 2019
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Code P1292 Dodge Description

With the key on or engine running, then the Powertrain Control Module (PCM) detects that the Compressed Natural Gas (CNG) Fuel Pressure sensor input was more than 0.49v.
OBDII Code P1292 Dodge - Compressed Natural Gas Pressure Sensor Signal Too High - AutoCodes.com
P1292 Dodge Code - Compressed Natural Gas Pressure Sensor Signal Too High

What are the Possible Causes of the DTC P1292 Dodge?

  • Faulty Compressed Natural Gas (CNG) Pressure Sensor
  • CNG Pressure Sensor harness is open or shorted
  • CNG Pressure Sensor circuit poor electrical connection

How to Fix the DTC P1292 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1292 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1292 Dodge Code

What does the OBDII code P1292 mean on a Dodge vehicle?

The code P1292 indicates that the compressed natural gas (CNG) pressure sensor signal is too high, which could affect the vehicle's fuel system performance.

What are the common symptoms of code P1292 in a Dodge?

Symptoms may include poor engine performance, difficulty starting, reduced fuel efficiency, or a check engine light.

What causes the P1292 code to appear?

The most common causes include a faulty CNG pressure sensor, wiring issues, or an incorrect sensor signal due to a malfunction in the fuel system.

Can a faulty CNG pressure sensor lead to code P1292?

Yes, a defective or malfunctioning CNG pressure sensor is a primary reason for this code.

How can I diagnose the P1292 code on my Dodge?

Start by inspecting the CNG pressure sensor, its wiring, and connectors for damage or corrosion. Use a diagnostic tool to check sensor readings and confirm the issue.

Is it safe to drive with the P1292 code?

Driving with this code is not recommended as it may lead to engine performance issues and potential damage to the fuel system.

How do I fix the P1292 code on a Dodge?

Repair or replace the CNG pressure sensor, check and repair any damaged wiring or connectors, and clear the code using an OBDII scanner.

Can a wiring issue cause the P1292 code?

Yes, damaged or corroded wiring connected to the CNG pressure sensor can disrupt the sensor signal and trigger this code.

How much does it cost to repair the P1292 code?

The repair cost depends on the exact cause, but replacing a CNG pressure sensor typically costs between $100 and $300, plus labor.

Does clearing the P1292 code fix the problem?

No, clearing the code does not resolve the underlying issue. The root cause must be diagnosed and repaired to prevent the code from returning.

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