AutoCodes – Chrysler – P1293 Chrysler

P1293 Chrysler Code - Compressed Natural Gas Pressure Sensor Signal Too Low

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: P1293 Chrysler indicates Compressed Natural Gas Pressure Sensor Signal Too Low.
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.

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Code Popularity 2,976

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 07, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1293 Chrysler 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 P1293 Chrysler - Compressed Natural Gas Pressure Sensor Signal Too Low - AutoCodes.com — P1293 Chrysler Code - Compressed Natural Gas Pressure Sensor Signal Too Low

What does this mean?

What are the Possible Causes of the DTC P1293 Chrysler?

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 P1293 Chrysler?

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 P1293 Chrysler 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.