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p0404 and p0420 - Chevrolet Forum - Chevy Enthusiasts Forums
P0404 p0420 forum chevy Chevy silverado p0304: cylinder 4 โ misfire detected Egr sensor p0404 recirculation exhaust gas valve carparts replacement
Chevy blazer chevrolet code egr 2003 without p0404 4x4 mid size gm
P0404 and p0420P0404 p0420 chevy Silverado chevy code p0442 p0121 p0171 p0304 misfire trouble common relatively detected cylinder standsChevy blazer 2003 q&a: gm dtc p0404, p1406 code, egr.
P0404 code: exhaust gas recirculation circuit range/performance problem .
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p0404 and p0420 - Chevrolet Forum - Chevy Enthusiasts Forums
![P0404 Code: Exhaust Gas Recirculation Circuit Range/Performance Problem](https://i2.wp.com/www.carparts.com/blog/wp-content/uploads/2020/07/EGR-valve-car.jpeg)
P0404 Code: Exhaust Gas Recirculation Circuit Range/Performance Problem
![Chevy Blazer 2003 Q&A: GM DTC P0404, P1406 Code, EGR](https://i2.wp.com/f01.justanswer.com/scout311/2013-03-24_010500_img_20130323_195457_6721.jpg)
Chevy Blazer 2003 Q&A: GM DTC P0404, P1406 Code, EGR
![Chevy Silverado P0304: Cylinder 4 โ Misfire Detected | Drivetrain Resource](https://i2.wp.com/www.700r4transmissionhq.com/wp-content/uploads/2018/06/Chevy-Silverado.png)
Chevy Silverado P0304: Cylinder 4 โ Misfire Detected | Drivetrain Resource
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P0440 02 Chevy Silverado 4.8 V8 - YouTube