What does P0009 mean?

Engine Position System Performance Bank 2 Reduced engine performance, rough idle, possible hard starting or stalling

AutoFixDB - Free OBD-II diagnostic trouble code lookup. Find causes, symptoms, diagnostic steps and repair solutions.

Overview

OBD-II P0009 indicates an engine position timing discrepancy between crankshaft and camshaft on Bank 2 involving misalignment or performance issues often linked to timing system components or sensors

Common Symptoms

Check Engine Light illuminated
Reduced power and acceleration
Rough or uneven idle
Increased fuel consumption
Hard starting or intermittent stalling

Most Common Causes

Stretched or misaligned timing chain or belt high

Timing chain/belt wear produces cam/crank misalignment triggering P0009

Faulty camshaft position sensor medium

Sensor signal errors may falsely indicate timing misalignment

Faulty crankshaft position sensor medium

Incorrect crank reference affects cam/crank correlation

Variable valve timing (VVT) actuator or solenoid failure medium

VVT system faults can hinder proper cam timing

Low engine oil level or poor oil quality medium

Insufficient oil pressure affects VVT operation and timing system lubrication

Diagnostic Steps

Use OBD-II scan tool to confirm P0009 and check for related codes

Expected: P0009 present, possibly with P0008, P0016, or P0017

Interpretation: Multiple timing related codes suggest a common timing system issue
Inspect engine oil level and quality

Expected: Correct level and clean oil

Interpretation: Low/dirty oil can affect VVT and timing
Visually inspect wiring/connectors for camshaft and crankshaft sensors

Expected: Intact, clean connections

Interpretation: Damaged wiring may produce false sensor data
Measure live sensor data and correlate crank-to-cam timing

Expected: Cam and crank signals within specification

Interpretation: Misalignment confirms mechanical timing or sensor issues
Inspect timing chain/belt, tensioner, and guides

Expected: Proper tension and alignment

Interpretation: Wear or slack indicates need for timing component replacement

Repair Solutions

Replace worn timing chain/belt and tensioner hard

Estimated Cost: $600 - $1500

Extensive labor; costs vary by engine configuration

Replace camshaft and/or crankshaft position sensors medium

Estimated Cost: $150 - $500

Depends on sensor accessibility

Service or replace VVT solenoid/actuator medium

Estimated Cost: $200 - $800

Clean VVT passages if oil sludge present

Engine oil change with proper viscosity easy

Estimated Cost: $50 - $150

Preventive measure and supports VVT system

Common Misdiagnoses

Avoid these common diagnostic mistakes:

Misinterpreting sensor faults as mechanical timing issues
Attributing rough idle solely to ignition or fuel delivery without checking timing correlation

Frequently Asked Questions

What does a P0009 diagnostic trouble code signify?

When your OBD-II scanner reads P0009, it means: Engine Position System Performance Bank 2. This code is related to the vehicle's Engine Mechanical.

How serious is the P0009 code?

This is a medium priority issue. Reduced engine performance, rough idle, possible hard starting or stalling

What happens when the P0009 code is active?

Drivers often report: Check Engine Light illuminated, Reduced power and acceleration, Rough or uneven idle when this code is present.

What parts fail when P0009 is set?

It can be caused by several factors, most notably: Stretched or misaligned timing chain or belt, Faulty camshaft position sensor, Faulty crankshaft position sensor.

Is P0009 expensive to fix?

The cost varies significantly based on the root cause. For example, replacing a Engine oil change with proper viscosity typically costs between $50 and $150, while fixing a Replace worn timing chain/belt and tensioner can range from $600 to $1500.

Is P0009 a generic or manufacturer-specific code?

P0009 is not specific to any one brand. It can appear on Ford, Dodge, Toyota, Honda, Jeep, and other vehicles.

P0009: Engine Position System Performance Bank 2