Need help with Code 32 (EGR)
Thread Starter
Racer
Joined: Jan 2002
Posts: 355
Likes: 0
From: Sarasota FL
Need help with Code 32 (EGR)
On my 90 I'm getting a code 32 (EGR) as soon as I pull on to the interstate and run at a steady speed for 2-3 minutes. The idle speed also seems to be wandering a bit a stoplights.
I had it in the shop at the Chevy dealer for a new fuel pump a couple of weeks ago and told them about the code 32's. They said they checked it but couldn't find anything (not sure how hard they looked...)
I'm guessing (hoping?) that it's a vacuum leak. I don't have a vacuum guage at home to do the tests in the shop manual. Any thoughts or ideas?
Thanks,
Mark :confused: :confused: :confused:
I had it in the shop at the Chevy dealer for a new fuel pump a couple of weeks ago and told them about the code 32's. They said they checked it but couldn't find anything (not sure how hard they looked...)
I'm guessing (hoping?) that it's a vacuum leak. I don't have a vacuum guage at home to do the tests in the shop manual. Any thoughts or ideas?
Thanks,
Mark :confused: :confused: :confused:
Le Mans Master
Joined: Mar 1999
Posts: 9,662
Likes: 1,680
From: Fort Worth Texas
2024 Corvette of the Year Finalist - Unmodified
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Former Moderator
Cruise-In I-II-III Veteran
Re: Need help with Code 32 (90Z51Vette)
(I think I just sent you an email from vettenet...)
By any chance do you have an aftermarket exhaust? If you have had the
mufflers or pre-cats removed, you'll get a code 32. I did on my car when I
got the new front y-pipe with no pre-cats. Luckily, I program my own chips,
so I removed the code 32 check. Never get the code anymore.
Email me if you're interested in changing your chip for this.....
By any chance do you have an aftermarket exhaust? If you have had the
mufflers or pre-cats removed, you'll get a code 32. I did on my car when I
got the new front y-pipe with no pre-cats. Luckily, I program my own chips,
so I removed the code 32 check. Never get the code anymore.
Email me if you're interested in changing your chip for this.....
Team Owner
Joined: Sep 2001
Posts: 62,143
Likes: 1,729
From: Athens AL
C7 of the Year - Unmodified Finalist 2021
C4 of Year Finalist (performance mods) 2019
Re: Need help with Code 32 (90Z51Vette)
try tightening the gas cap all the way until it clicks and see if it comes back, otherwise, it could be the EGR solenoid or ECM.
Burning Brakes
Joined: May 2001
Posts: 790
Likes: 2
Re: Need help with Code 32 (vader86)
Could also be a sticking EGR valve. Mine was doing the same thing. I took it to a shop here and they "Motor Vac'd" the engine, which is basically running a high detergent/flammable detergent through the fuel rails. They run the machine for a while with the engine off, then with the engine on. Takes about an hour. Cleans everything fuel related: fuel rails, injectors, egr, pistons, valves, etc. Car ran 100% better after and has never pulled a code 32 again.
I am pulling a code now (can't remember the number), but it's "Quad driver fault" (or something like that). Have to look into that.
I am pulling a code now (can't remember the number), but it's "Quad driver fault" (or something like that). Have to look into that.
Instructor
Joined: Oct 2000
Posts: 206
Likes: 0
From: Nashville, Tn. 37211 TN.
Re: Need help with Code 32 (PeteL)
Does your car have pre-cats? It is an L-98? I have a gutted cat on my '85 and I get no codes. I did have a code 32 and replaced the EGR valve and it's temp sensor. Also replaced all the vac lines (needed to be done anyway). Everything is ok now, no codes. Be sure if you do replace the EGR and sensor to use the GM replacement. I have had trouble before using non-GM sensors.
Good Luck!
Good Luck!
