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SES light, CODE 32

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Old Feb 2, 2004 | 08:45 AM
  #1  
3rdgenstm's Avatar
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From: Huntsville, Al
Car: ‘92 Z28
Engine: 350
Transmission: Auto
Axle/Gears: 3.23
SES light, CODE 32

SES light came on Saturday while just cruising on the interstate. Went off after I stopped and restarted. Drove it yesterday and it smells like gas, really strong. My clothes smelled like gas. Ran the test and I got a CODE 32. One or all of the following:
1 Barometric pressure sensor circuit
2 EGR diagnostic switch
3 Electronic vacuum regulator valve

I don't know what 1 and 3 are or where they are located. I assume 2 is the EGR valve and that is an easy fix.

No other codes came up other than 12.

Has anyone had this before if so how do I fix? A little help would be appreciated.
Thanks!
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Old Feb 2, 2004 | 08:48 PM
  #2  
Vader's Avatar
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On your engine, the error code is for an EGR valve failure to operate. It might not be as easy to "fix" as you presume. The ECM expects to see an increase in MAP when the EGR solenoid is pulsed open. If the EGR valve isn't opening for some reason, the code will set until you repair it or reprogram the ECM for no EGR diagnosis.

This might help get you started:

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Old Feb 3, 2004 | 06:17 AM
  #3  
3rdgenstm's Avatar
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20 Year Member
 
Joined: May 2003
Posts: 435
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From: Huntsville, Al
Car: ‘92 Z28
Engine: 350
Transmission: Auto
Axle/Gears: 3.23
Thanks for the diagram. I'll hit it this weekend and see what's up with it.
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