How Do I Fix Code P2433?

1. Replacing faulty air injection valve.
2. Replacing faulty one-way check valve.
3. Replacing faulty air injection pump.
4. Replacing faulty pressure sensor.
5. Repairing or replacing frayed, broken, or shorted pressure sensor wiring.
6. Repairing or replacing damaged or corroded pressure sensor connector.

What is code P2440 mean?

The P2440 diagnostic trouble code is an indication that the

Powertrain Control Module (PCM)

has detected that the switching valve of the secondary air injection system is stuck open on Bank 2.

How do I fix error code P2431?

1. Replacing the secondary air pump.
2. Repairing or replacing a wiring harness.
3. Resolving poor electrical connections.

What is code P0418 mean?

P0418 is a diagnostic trouble code (DTC) for “

Secondary Air Injection System Relay A circuit Malfunction

“. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

What is a secondary air injection sensor?

Part of the emissions control system, the secondary air injection system

pumps air into the exhaust stream when an engine is cold to help speed up

the process of warming the catalytic converter.

What does P0411 code mean?

Trouble code P0411 is a generic OBD-II DTC (digital trouble code) which indicates a problem with your vehicle's secondary air injection system. … DTC P0411 indicates the

engine control unit (ECU)

has detected an air flow problem within the secondary air injection system.

How much does it cost to fix a secondary air injection?

If your secondary air injection system is failing or damaged, then the secondary air injection system repair cost will run

between $270 and $390

. The labor should usually cost under $100, while the parts cost on average run at around $250.

How do I fix code P2442?

1. Replace or repair defective or damaged one-way check valves.
2. Replace or repair any faulty wiring.
3. Replace or repair any faulty hoses or fittings.
4. Replace any blown fuses.
5. Clean pumps and assembly and test.
6. Follow all the manufacturer's instructions in a related technical service bulletin.

Can you drive with a bad air pump?

While failing a smog test is a serious enough problem, the real danger from a bad air pump is the possibility that reduced engine performance and driveability could cause be

hazardous

to your driving safety.

What does code po414 mean?

P0414 is a diagnostic trouble code (DTC) for “

Secondary Air Injection System Switching Valve A Circuit Shorted

“. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.

Is a P0411 code bad?

Any malfunction in the secondary air system

that prompts a P0411 code will ultimately affect the engine's performance. Known symptoms may include: Check Engine Light. Engine performance problems (e.g., rough running and lack of acceleration)

How do I know if my secondary air pump is bad?

1. 1) Check Engine Light.
2. 2) Failed Emissions Test.
3. 3) Weak Acceleration.
4. 4) Engine Stalling.
5. 5) Low Idle.

How do you fix a secondary air injection?

1. Replace both the air pumps and the one-way check valve.
2. Try and clean the air pump and test it. The one-way air check valve must be replaced as well.
3. Replace the inlet hose of the air pump.
4. Replace the fuse of the air pump (you can find it under the hood)

How much does it cost to fix a air pump?

Air Pump Replacement Cost – RepairPal Estimate.

Labor costs are estimated between $77 and $98

while parts are priced between $380 and $457. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.

Can you drive without secondary air pump?

You will

be fine driving to work in the morning

. You will get or already have a CEL for hose being disconnected. The pump only runs for a minute or so on cold start to help burn exhaust gases and heat up the O2 sensor. The reason for the brown color is most likely due to rust from condensation in the pump.

What causes secondary air injection malfunction?

A faulty pump

is generally the most frequent cause of the system failing. … Faulty ground and voltage supply can also cause the pump to fail. Blocked or leaking lines can also cause the failure or malfunction of the control or combination valve, resulting in the failure of the secondary air system.