Code P1380 – Description for Pontiac
The diagnostic code P1380 on Pontiac vehicles indicates the detection of an ignition misfire, accompanied by a lack of data regarding rough road conditions. This means that the engine control module (ECM) has detected irregular combustion in one of the cylinders but was unable to accurately assess the severity of the problem due to driving conditions. These ignition misfires can impair engine performance, reduce fuel efficiency, and, if not corrected, cause long-term damage to the catalytic converter.
OBD-II Code P1380 Pontiac Details
- Designation: Ignition Misfires Detected – Rough Road Data Unavailable.
Possible Causes of Code P1380 on Pontiac
Here are the most common causes (non-exhaustive list):
- Failure of ignition system components (spark plugs, coils, or wires).
- Clogged fuel injectors or fuel filter.
- Vacuum leaks in the intake system.
- Low compression in the affected cylinder.
- Engine timing issues.
Symptoms Associated with Code P1380
Signs that may accompany this code include:
- Irregular idle or unstable engine operation.
- Loss of power or acceleration.
- Engine stalling or hesitation.
- Increased fuel consumption.
- Illumination of the check engine light.
Steps to Repair Code P1380
- Diagnosis: Use a scan tool to identify the cylinder or cylinders affected by ignition misfires.
- Inspection of Ignition Components: Examine and replace faulty spark plugs, coils, or wires.
- Cleaning or Replacement of Fuel Components: Clean or replace clogged fuel injectors and check the condition of the fuel filter.
- Vacuum Leak Check: Inspect the intake system to detect and repair any leaks.
- Compression Test: Check compression in the affected cylinder or cylinders and address any identified issues.
Technical Notes and Tips
- If other diagnostic codes are present along with P1380, it is advisable to address these issues first before clearing the code.
- The code is set if the electronic brake control module (EBCM) cannot properly assess rough road conditions when ignition misfires are detected by the powertrain control module (PCM).