Question about 1994 Chevrolet C2500

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Egr valve I have a real nice 94 chevy light duty 2500 series truck with a 350 engine with 83 thousand miles. The check engine light comes on and goes off at times. I was told that it was the egr valve. I replaced it and the light still comes on. Now I was told that the ports in the intake that go to the egr valve are clogged. I was told that it is typical of this truck. Is this true and if it is can the ports be un-clogged without removing the intake, etc? Thanks, Stan

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  • stnlyneal Nov 06, 2008

    Thanks for the advise!!! I will try this.



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What codes are stored in the PCM? If the check engine light came on then you have trouble codes. Maybe you know what I'm talking about, maybe you don't, just thought I'd ask.

Posted on Jun 18, 2009

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Hi from the uk the point that you mention re light comes on intermittant? but no change in engine performance ?? considering you milage and the symptoms may i offer this advice? before you part with more cash ? on expensive trials go to local motor store ? and purchase a 2 x fuel treatment system cleaner ie REDEX orbetter still X1R by motor plus ? pour the full contents into your tank then give engine a blast up the highway a few miles to clear fuel lines and any carbon deposits? this stuff really does work and does exactly as it says your problem will soon clear and may notice better performance? i recommend and use this fuel system cleaner every 3 months rather by tank fills as rec and engine runs as new over the last 5 yrs as do my own customers hope this helps and saves you$$$$s with unnecessary hit mis changing of expensive parts may i also introduce you to a usa oil additive that i have used over years and strongly recommend? also by X1R called MOTOR PLUS this is fantastic! and is endorsed by NASA space programme take a look at motor store? it does make a difference you cannot believe ? my customers always request i put in engine when they change to new cars because they are so impressed

Posted on Nov 05, 2008


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