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Can I service the EGR valve in any way while its off??

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Old May 12, 2002 | 04:08 PM
  #1  
Hecubus's Avatar
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From: Bakersfield,ca,us
Car: 91 z82
Engine: 5.0
Transmission: pro-built 700r4: 2400 stall
Can I service the EGR valve in any way while its off??

I have it all apart now and my last smog test the HC levels were pretty high

will it hurt it to use a cleaner or something to clean it out

or is there anything that can be done ?

Thanks
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Old May 12, 2002 | 04:47 PM
  #2  
wataru's Avatar
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From: I'm a reasonable man, get off my case.
I'm not sure. You could always try and if it does'nt work a new one from Autozone is only around $30, I think. Just be thankful you don't have a digital egr like on the v6's. Those things are expensive.
Later Barrett
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Old May 12, 2002 | 07:11 PM
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From: tn. usa
high hc's are usually caused by ign. system problem. ie...plugs, wires, etc. what were your co count? best of luck, tom
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Old May 12, 2002 | 10:23 PM
  #4  
Hecubus's Avatar
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From: Bakersfield,ca,us
Car: 91 z82
Engine: 5.0
Transmission: pro-built 700r4: 2400 stall
My Hc was 133 @ 15mph ..1364 rmp
and 84 @ 25mph...910 rpm
only passed by one point



and Co was only .71 @ 15mph 1364rpm
and .04 @ 25mph 910 rpm

I have all new ignition this time with 6al MSD box and all the goodies so maybe that will help

Thanks
again
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