Having problems with your 2005 Chevrolet Silverado 3500 ?

2005 chevrolet k3500 6.6 duremax diesel with check engine codes po229 po300 po303 po304 came up after changeing fuel filter with water in fuel light came on also added fuel conditoner to fuel truck idles rough does not seem to accelerate as fast on acceration blows black smoke

Posted / edited by AnonymousUser on : 16-07-2018

Answers :

The codes 300 303 304 is cylinder missfire. just drive the vehicleand it will correct it self
PO229 indicates tps circut inttermitent.
\015\012Po300 303 and 304 indicate missfires on cyl 3 and 4.. Was the fuel filter primed before starting the engine? If not ,remove and reinstall filter. Then prime filter with pump that is on fuel filter adapter. Once this is done restart and verify o/k
Repair Help & Product Troubleshooting for 2005 Chevrolet Silverado 3500

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