Question about 1999 Chevrolet Silverado 1500

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95 CHEVY SILVERADO 5.7 V8 HAS A SHUDDERING HESITATION BETWEEN THE 1000RPM TO TWO THOUSAND RANGE. NO CODES SHOWING. PREVIOUSLY REPLACED ERG VALVE WHEN CODE SAID TO. HAS NEW BOSCH PLUGS. MOTOR RUNS FINE UNTIL IT WARMS UP. THEN AN OBVIOUS SHUDDER IN JUST THAT RANGE. ABOVE AND BELOW IT RUNS PERFECT BUT SINCE THAT'S THE MOST USE RANGE THE COPS GIVE ME THE HAIRY EYE WHEN PASSING BY THEM.

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I have a 97' Silverado 5.7 with a K

Posted on Sep 22, 2010

  • JLen 97 350 Sep 22, 2010

    I have a 97' Silverado 5.7 with a K

  • AShaff001 Nov 05, 2010

    I have a 97 with the same exact problem, I had some cooling system problems that I recently fixed, but I'm pretty sure those are not related. What I can tell you is that it's not the intake man gasket, fuel filter, o2 sensors, or the coolant temp sensor. I am really struggling to figure out what it is and can't find anything yet online that helps. I'll keep you posted if I find anything.

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Location ofegrvalve on 2003 chevy silverado 4.8


Hi there:
Here is a picture showing the EGR valve on the 4.8 Litre V8. The numbers below go with the picture. The arrow points to the front of the truck.

(1) Fuel Injector 2 Connector
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9_14_2012_3_34_36_am.jpg
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