Codes p0402 and p0422?? Emissions codes?
May 30, 2022 at 7:51 PM
What are codes p0402 and p0422?
2003 MERCEDES BENZ SL500
OSCARINCV
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Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
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The P0402 code is for the EGR system which is flowing too much gases and the P0422 code is for the catalytic converter is not working as it should for the bank one but it might be triggered because of the first code which should be fixed first. Lets remove the EGR valve so we can check it, this video will show you how, and I have included instructions and the location of the EGR valve in the diagrams below.
https://youtu.be/DqUCbbKdWf4
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
https://youtu.be/DqUCbbKdWf4
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
Images (Click to enlarge)
May 31, 2022 at 10:49 AM
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