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Dan, ASE Certified Technician
Category: Toyota
Satisfied Customers: 1696
Experience:  Auto Technician
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I have 5 engine codes P2420, P1441, P1444, P0456 and P0504

Customer Question

I have 5 engine codes P2420, P1441, P1444, P0456 and P0504 on in my 05 Toyota Sequioa
Submitted: 1 year ago.
Category: Toyota
Expert:  Dan replied 1 year ago.

Hello my name is***** am an ASE Master Technician and I am glad to help you out with your question.

Expert:  Dan replied 1 year ago.

Would you like me to send you the service procedures for these codes?

Customer: replied 1 year ago.
I want to know how to fix it. Cost? I was told that it should be 1 issue causing all the cides
Expert:  Dan replied 1 year ago.

I would clear all codes and see which one comes back right away. This will narrow down the problem since you have 5 codes. These are all emission related, and a brake switch code.

The secondary air valves do stick causing this problem, you also have a code for a purge solenoid.

Expert:  Dan replied 1 year ago.

You may have separate problems as well.

Expert:  Dan replied 1 year ago.

P0456 and p2420 are related this could be a stuck vent valve.

p1441 and 1444 are stuck secondary air injection valves.

and the p0504 is a brake pedal switch problem.

Expert:  Dan replied 1 year ago.

Hello again Dan here,

I am contacting you because the post has not been closed or rated.

This question is coming up on 7 days which means it will time out and close.

You have already paid to get this question answered, but you have not rated.

Let me help some more. Is there anything else I can help you with?

If I did not give you 5 star service, please let me know what I missed.

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