OBD Guide

P01D7

Cylinder 7 Injection Timing Performance - Over Retarded

P01D7 is an OBD-II diagnostic trouble code meaning: Cylinder 7 Injection Timing Performance - Over Retarded. Common causes: dirty or worn fuel injectors, low fuel pressure. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation
  • Dips during acceleration

Causes

  • Dirty or worn fuel injectors
  • Low fuel pressure
  • Camshaft position sensor malfunction
  • Problems with the injector wiring harness
  • Failures in ECU software

How to Fix

  1. Check fuel pressure
  2. Diagnose the condition of injectors
  3. Check camshaft position sensor
  4. Inspect the injector wiring harness
  5. Update ECU firmware if necessary

Related codes

Error P01D7 by Vehicle Brand

FAQ

What does the P01D7 code mean?

P01D7 is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Injection Timing Performance - Over Retarded

What causes a P01D7 error code?

The most common causes of P01D7 include: Dirty or worn fuel injectors; Low fuel pressure; Camshaft position sensor malfunction; Problems with the injector wiring harness.

How do I fix a P01D7 diagnostic trouble code?

To fix P01D7: Check fuel pressure. Diagnose the condition of injectors. Check camshaft position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01D7?

Limited driving only, diagnose soon

How much does it cost to fix P01D7?

The estimated repair cost for P01D7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat