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Code P2119

Quick reference

P2119 at a glance

Plain-language meaning
This code means there's a problem with the part of the car that controls how much air goes into the engine. It's like if you couldn't open your mouth wide enough to eat your food properly.
Urgency
Moderate – While the vehicle may still be drivable, performance and fuel efficiency may be affected.
Difficulty
Moderate
System
Engine Performance
Tools mentioned
OBD-II scanner, Multimeter, Screwdriver set

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means there's a problem with the part of the car that controls how much air goes into the engine. It's like if you couldn't open your mouth wide enough to eat your food properly.

Explanation

The throttle actuator controls the throttle body, which manages air intake into the engine. Code P2119 indicates that the throttle body is not operating within the expected range.

Technical description

P2119 is triggered when the Engine Control Module (ECM) detects that the throttle actuator is not functioning correctly within its expected range. This can affect the vehicle's performance and fuel efficiency.

Symptoms

• Check Engine Light is on

• Reduced engine performance

• Poor fuel economy

Common Causes

• Faulty throttle body

• Wiring issues in the throttle actuator circuit

• Malfunctioning throttle position sensor

Glossary

Throttle Body: A component that controls the amount of air entering the engine.

Throttle Actuator: A motor that adjusts the throttle body opening electronically.

Diagnosis steps

• Use an OBD-II scanner to verify the code.

• Inspect the throttle body and its connections for damage or wear.

• Test the throttle position sensor for proper operation.

Repair procedures

• Replace the throttle body if found defective.

• Repair or replace damaged wiring or connectors.

• Replace the throttle position sensor if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Screwdriver set

Estimated repair cost

$200 - $600

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Camry

• Ford F-150

• Chevrolet Silverado

Preventive measures

• Regular maintenance and inspection of the throttle body.

• Ensure electrical connections are clean and secure.

• Use high-quality fuel to prevent buildup.

Error code type

Engine Performance

User experience recommendations

• Avoid driving at high speeds until the issue is resolved.

• Get the vehicle checked by a professional mechanic as soon as possible.

Warranty information

Check with the vehicle manufacturer for warranty coverage on the throttle body and related components.

Historical data

This code has been associated with throttle body issues in various vehicles since the introduction of electronic throttle control systems.

Urgency level

Moderate – While the vehicle may still be drivable, performance and fuel efficiency may be affected.

Testing conditions

• Engine at operating temperature

• Idle and part throttle conditions

Component location

The throttle body is located between the air filter and the intake manifold in the engine bay.

FAQs

Q: Can I drive with a P2119 code?
A: While you may be able to drive, it's not recommended as it can affect engine performance and fuel efficiency.

Q: How can I prevent P2119 from occurring?
A: Regular maintenance and inspection of the throttle body and related components can help prevent this issue.

Optional diagnostic gear

Tools that may help diagnose P2119

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

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Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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