Dodge DTC P1290 – CNG Fuel Pressure Too High
DTC P1290 meaning on Dodge
DTC P1290 on a Dodge indicates that the Compressed Natural Gas (CNG) fuel pressure is too high. This diagnostic trouble code is specific to vehicles equipped with CNG fuel systems.
Dodge DTC P1290 symptoms
Symptoms of DTC P1290 on a Dodge may include:
- Check Engine Light illuminated
- Engine running rough
- Decreased fuel efficiency
Dodge DTC P1290 causes
The potential causes of DTC P1290 on a Dodge include:
- Faulty CNG fuel pressure regulator
- Issues with the CNG fuel pressure sensor
- Restricted fuel lines
- Malfunctioning CNG fuel injectors
Dodge DTC P1290 seriousness
DTC P1290 should be addressed promptly as it can lead to drivability issues and potentially cause damage to the CNG fuel system components.
How to diagnose DTC P1290 on Dodge
To diagnose DTC P1290 on a Dodge, a mechanic may perform the following steps:
- Use a scan tool to retrieve the fault codes
- Inspect the CNG fuel pressure regulator and sensor for proper operation
- Check for any fuel line restrictions or leaks
- Test the CNG fuel injectors for proper function
How to fix DTC P1290 on Dodge
To fix DTC P1290 on a Dodge, the following steps may be taken:
- Replace the faulty CNG fuel pressure regulator or sensor
- Clean or replace any restricted fuel lines
- Address any issues with the CNG fuel injectors
- Clear the fault codes and test drive the vehicle to ensure the issue is resolved
How to erase DTC P1290 on Dodge
To erase DTC P1290 on a Dodge, a scan tool can be used to clear the fault codes from the vehicle’s computer system. Once the codes are cleared, the Check Engine Light should turn off.
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