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Home DTC Codes P1247 Medium · 30-60min
P1247 Warning

OBD2 code P1247: Manufacturer specific - Injection

Manufacturer specific injection fault.

ECU: ECM

Detected Root Component

Injector

Confidence level: medium

Technical Component Diagrams

Injector Layout

Injector Layout

Diag Expert technical diagram

Injector Connector

Injector Connector

Diag Expert technical diagram

Observed Symptoms

  • Engine light on (MIL/Check Engine)
  • Hesitation when accelerating
  • Excessive fuel consumption

Possible Causes

  • Clogged or faulty injector
  • Faulty pressure regulator
  • Defective sensor
Diagnostic Progress 0 %
Difficulty Medium
Est. time 30-60min
Tools Required 5 tool(s)

Tools Required

multimeter OBD scanner wiring diagram hand vacuum pump boost pressure tester

Interactive Diagnostic

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Diagnostic Result

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Parts likely to be the cause (Moteur (général))

Moteur (général)

Moteur (général)

Photo d'illustration : Moteur (général)

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Frequently asked questions about code P1247

What does code P1247 mean?

OBD2 code P1247: Manufacturer specific - Injection. Manufacturer specific injection fault.

What are the symptoms of code P1247?

Code P1247 may cause: Engine light on (MIL/Check Engine), Hesitation when accelerating, Excessive fuel consumption. The intensity of these symptoms varies depending on the vehicle and driving conditions.

What causes code P1247?

The most common causes of code P1247 are: Clogged or faulty injector, Faulty pressure regulator, Defective sensor. A proper OBD2 diagnostic will pinpoint the exact cause.

Is it serious to drive with code P1247?

Code P1247 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code P1247?

Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Clogged or faulty injector, Faulty pressure regulator, Defective sensor. Difficulty: complex · Estimated time: 30-60min.