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

Code 32 And Real Rich Smelling Exhaust

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Old Mar 28, 2006 | 12:25 PM
  #1  
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Default Code 32 And Real Rich Smelling Exhaust

I Have A 91 L98 6 Speed And Well Im Having Trouble Finding My Problems. Im My Book Its Saying That The Egr Valve Is Not Working Correctly. My Car Is Basically Stock . No Converters. Hotter Coil &wires.ive Only Had This Car For A Couple Of Months And Its Been Wrong Ever Since Ive Had It. Ive Checked The Fuel Pressure Its Fine ,good Spark . Any Ideas Before I Start Changing Parts? And Is This A Common Problem With The L98 Engine?
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Old Mar 28, 2006 | 12:52 PM
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From: 1992 LT1 6 speed Cayman Islands
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Sounds like your EGR is not opening. Try applying vacium to it while checking to see if the diaphram moves and if it will hold a vacium. If these check OK then test the EGR selenoid to see if it is switching vacium to the EGR.
Do not start buying parts until you ( with help from this forum) have diognoised and pinpointed the problem.
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Old Mar 28, 2006 | 01:07 PM
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From: seattle WA
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Does a 91 have an EGR switch? my 87 does, and when I threw a EGR
code it turned out to be the EGR switch-don't know about 91.
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Old Mar 28, 2006 | 01:10 PM
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Originally Posted by rick lambert
Does a 91 have an EGR switch? my 87 does, and when I threw a EGR
code it turned out to be the EGR switch-don't know about 91.
No switch on the speed density system EGR.
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Old Mar 28, 2006 | 02:11 PM
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Im Not Sure If It Has A Switch ,if So Where Might It Be?
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Old Apr 1, 2006 | 09:03 AM
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From: Clifton Park, NY ............Clearwater, FL ... 85 Original Owner
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I have a code 32 also. The valve was changed last year so I guess it's probably the switch. Where the heck is it on an 85?
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Old Apr 1, 2006 | 11:08 AM
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From: seattle WA
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If Morley says there's no EGR switch on a 91-take it to the bank-no switch. Joslinm, don't know about an 85, but on my 87 it's on the passenger side of the motor close to the back and by the pipe.You may want to check your EGR solenoid also.
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