C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

troubleshooting the egr system.........

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Old May 7, 2002 | 04:40 PM
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Default troubleshooting the egr system.........

i have traced my latest problem to be the egr: the car surges at crusing speed and sometimes dies upon deceleration from a speed. Chiltons describes this exactly as symptoms for egr problems, my question is what can i do to find exactly what i need to replace to get me back to normal again.....

thanks :crazy:
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Old May 7, 2002 | 04:42 PM
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Any computer codes?
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Old May 7, 2002 | 04:43 PM
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Default Re: (scorp508)

code 32.......but i cant remeber what that means.....give me a sec and ill find out.


[Modified by C4Fetish, 2:43 PM 5/7/2002]
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Old May 7, 2002 | 04:46 PM
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Default Re: (C4Fetish)

Code 32: Exhaust Gas Recirculation Circuit :confused:

thats it?
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Old May 7, 2002 | 04:51 PM
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Remind me to look at my Helms manual for the diagnosis of that later on. I wonder if the solenoid is gone.
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Old May 7, 2002 | 04:53 PM
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Default Re: (C4Fetish)

Most likely either the EGR solenoid or the EGR valve itself. Surging at speed sounds like the EGR solenoid is messing up: pulling the EGR pintle in and out slightly thus causing un-even induction of non combustible exhaust gasses.

My '94 Dakota pickup (5.2L) has similar symptoms. I suspect it to be either the idle air control valve or the EGR solenoid or valve.
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Old May 7, 2002 | 08:54 PM
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Default Re: troubleshooting the egr system......... (C4Fetish)

I just replaced mine last week ...both the solenoid and the EGR valve. Total parts at GM was about $81.....easy jopb.
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