EGR valve
Thread Starter
Burning Brakes
Joined: Aug 2005
Posts: 862
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From: Lewisvlle NC
EGR valve
My 88 is throwing a code 32 which is the egr. Are there any ramifications to driving it for short periods this way. Hate the thought of changing it out now that summer is here......thanks !
Safety Car
Joined: Aug 2002
Posts: 3,842
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From: SANTA CRUZ CA
Burning Brakes
Joined: Apr 2012
Posts: 888
Likes: 4
From: Ridgecrest Ca
It won't hurt a darn thing to run it inoperative. I ran mine for 2 years with a code 32. However, with the service engine soon light on you may not notice other codes popping up because the light is on a lot.
Thread Starter
Burning Brakes
Joined: Aug 2005
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From: Lewisvlle NC
Team Owner
Joined: Jan 2003
Posts: 20,322
Likes: 248
From: Summerland B.C. Canada
32 relates to the exhaust temp switch, so messing with the valve, may not be necessary.
From my 86 manual
http://members.shaw.ca/corvette86/Code%2032.pdf
From my 86 manual
http://members.shaw.ca/corvette86/Code%2032.pdf
Thread Starter
Burning Brakes
Joined: Aug 2005
Posts: 862
Likes: 0
From: Lewisvlle NC
32 relates to the exhaust temp switch, so messing with the valve, may not be necessary.
From my 86 manual
http://members.shaw.ca/corvette86/Code%2032.pdf
From my 86 manual
http://members.shaw.ca/corvette86/Code%2032.pdf
at I wanted to hear. Thanks
Race Director
Joined: Apr 2002
Posts: 10,036
Likes: 346
From: Anaheim CA
You get an error code 32 because the EGR SYSTEM is not working. The ECM turns on the EGR solenoid, which furnishes vacuum to the EGR valve. The EGR valve opens and the hot exhaust gasses flowing through the EGR tube cause the EGR temperature switch to turn on and let the ECM know that all is well. It's easy to replace the temperature switch, but the problem might be elsewhere.
In my case the EGR solenoid went bad and was not opening the EGR valve, which froze in the closed position. I bought a new EGR valve from AutoZone, but it was bad right out of the box. Best to test it before installing it. I ended up buying an AC Delco EGR valve from the Chevy dealer. It cost more, but at least it worked.
In my case the EGR solenoid went bad and was not opening the EGR valve, which froze in the closed position. I bought a new EGR valve from AutoZone, but it was bad right out of the box. Best to test it before installing it. I ended up buying an AC Delco EGR valve from the Chevy dealer. It cost more, but at least it worked.
Drifting
Joined: Feb 2008
Posts: 1,537
Likes: 178
From: NE Ohio
2024 C4 of the Year Finalist - Unmodified
You get an error code 32 because the EGR SYSTEM is not working. The ECM turns on the EGR solenoid, which furnishes vacuum to the EGR valve. The EGR valve opens and the hot exhaust gasses flowing through the EGR tube cause the EGR temperature switch to turn on and let the ECM know that all is well. It's easy to replace the temperature switch, but the problem might be elsewhere.
In my case the EGR solenoid went bad and was not opening the EGR valve, which froze in the closed position. I bought a new EGR valve from AutoZone, but it was bad right out of the box. Best to test it before installing it. I ended up buying an AC Delco EGR valve from the Chevy dealer. It cost more, but at least it worked.
In my case the EGR solenoid went bad and was not opening the EGR valve, which froze in the closed position. I bought a new EGR valve from AutoZone, but it was bad right out of the box. Best to test it before installing it. I ended up buying an AC Delco EGR valve from the Chevy dealer. It cost more, but at least it worked.
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Le Mans Master
Joined: Jun 2009
Posts: 6,528
Likes: 752
From: South Dakota
You get an error code 32 because the EGR SYSTEM is not working. The ECM turns on the EGR solenoid, which furnishes vacuum to the EGR valve. The EGR valve opens and the hot exhaust gasses flowing through the EGR tube cause the EGR temperature switch to turn on and let the ECM know that all is well. It's easy to replace the temperature switch, but the problem might be elsewhere.
In my case the EGR solenoid went bad and was not opening the EGR valve, which froze in the closed position. I bought a new EGR valve from AutoZone, but it was bad right out of the box. Best to test it before installing it. I ended up buying an AC Delco EGR valve from the Chevy dealer. It cost more, but at least it worked.
In my case the EGR solenoid went bad and was not opening the EGR valve, which froze in the closed position. I bought a new EGR valve from AutoZone, but it was bad right out of the box. Best to test it before installing it. I ended up buying an AC Delco EGR valve from the Chevy dealer. It cost more, but at least it worked.
On my '88 it was just the egr valve. I also got one from Advance auto and it was bad. The second one was bad too, plus it was the wrong one in the right box. Both of them would not open when a vacuum was applied. I got a AC Delco from Rock Auto and it was good.
In my case the code 32 only showed up after about 10 miles on highway cruise. In town and other conditions it did not set the code.
There were also some threads on this forum that described a way to "trick" the system by a jumper connection to the temperature switch. I did not want to do the EGR repair right away and so I tried the "trick". I could not get it to work on my car.
Good luck.
Melting Slicks
Joined: Jan 2001
Posts: 2,996
Likes: 304
From: MOORESVILLE NC
I bought a new EGR from O’Reillys 2 years ago and have added about 7,000 miles on my 88. Ok so far. Of course I replaced my EGR when I removed the intake and heads. After 120,000 miles the original GM EGR still functioned.