Having problems with your Chevrolet Astro ?

What is diagnostic code p0405 for 98 chev ast van

Posted / edited by AnonymousUser on : 29-06-2020

Answers :

Code p0405 is for faulty EGR vave or some of the pipe/lines going in or out of EGR valve/system hase broke, leaks or fall of. Or egr valve is dirty and stuck. Check EGR valvle!
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