Question about Chevrolet Blazer

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I just bought my blazer and it has this code p1404 its a 1999 two door v6

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The code is for the EGR Valve (exhaust gas recirculation valve). I am assuming that the engine in the vehicle is a 4.3L Possibly vortek engine. This is actually a common problem. More than likely you have a piece of carbon debris stuck in the EGR Valve holding the pintle open on the bottom of the valve. The EGR location is in front of the intake manifold. It is a cylindrical looking part with some wires connected to it. The body of the valve is black and the base of the valve is silver. It is bolted on by two 10MM bolts. Remove the valve and clean it out with carb/choke cleaner this should solve your problem. Any other question please don't hesitate to ask.

Posted on Mar 18, 2011

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EGR valve is plugged up (probably with a piece of carbon) you can TRY cleaning it but I'd replace it and reset your computer and you should be good to go.

Posted on Mar 18, 2011


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