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Car Forum / Pontiac / Pontiac Fiero / July 2005Error 32 w/ new EGR
Hi guys, Had an error 32 on the computer, put in brand new EGR, but I still get the error 32 (much less frequently though). It does still have a rather rough idle as well. Air filter was a little dirty so I threw in a new one too, just to be sure. Can anyone tell me what else to look for, test or switch that might be associated with the error 32? The Haynes and Chilton manuals are pretty vague. Thanks! Nate The code 32 has nothing to do with the EGR valve itself. It's a failure in the EGR solenoid over on the other side, just above the water pump. > Hi guys, > [quoted text clipped - 6 lines] > associated with the error 32? The Haynes and Chilton manuals are pretty > vague. John, Cool, guess Ill throw on new one of those at it too. The EGR that was on looked terrible inside anyhow, I had to bust off a bunch of carbon around the ports. Needed it anyhow I guess. Ill take a look for that solenoid! Thanks! Nate > The code 32 has nothing to do with the EGR valve itself. It's a failure in > the EGR solenoid over on the other side, just above the water pump. [quoted text clipped - 9 lines] > > associated with the error 32? The Haynes and Chilton manuals are pretty > > vague. > John, > [quoted text clipped - 22 lines] > > > associated with the error 32? The Haynes and Chilton manuals are pretty > > > vague. There's a thread over on Pennocks that has all you ever wanted to know about the Fiero V6 EGR system, http://www.fiero.no go to the forums, then hit search off the top right group of links, then search for "code 32 buddycraigg warning" and you'll see it in the first page. Trust me, you have to see this thread. The Code 32 is set when the vacuum switch that's attached to the solenoid doesn't see vacuum when the ECM thinks there should be in the line that goes from the solenoid to the EGR valve. A broken vacuum line, defective EGR valve, or switch can cause a code 32. JazzMan  Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** Jazzman, Thanks a bunch for the help. The article, admittedly, confused me a bit more than I was to begin with, but Im an electronics tech for a living so the whole multimeter testing thing sounds like a breeze. I was sort of let down to read that this problem normally doesnt effect engine performance...Ive been getting very rough idle as well as soot all over the back of my car for a god month now. I was really hoping to clear it up. Any chance Im barking up the wrong tree here? Thanks, Nate > > John, > > [quoted text clipped - 44 lines] > live under the laws of justice and mercy." - Wendell Berry > ********************************************************** DO this. With the engine idling, use your fingers to push up on the diaphragm inside the EGR valve hat. This will open the EGR valve. The idle should deteriorate immediately and badly. Release the diaphragm, the idle should improve within a second or two. Next step, with the engine off disconnect the vacuum line from the EGR valve. Use your finger to again push the diaphragm up, then use a dampened finger to block the nipple on the valve where the vacuum line was connected. Release the diaphragm while blocking the nipple, it should stay up as long as the port remains blocked. As soon as you release the nipple the valve should close. If it won't hold then the diaphragm is bad and the valve needs to be replaced. Have you pulled any pther trouble codes yet? With the mixture that rich you should have set at least an O2 trouble code by now, generally a code in the 40's. If your O2 is bad it will run rich, and the same if the CTS is bad. JazzMan > Jazzman, > [quoted text clipped - 55 lines] > > the line that goes from the solenoid to the EGR valve. A broken > > vacuum line, defective EGR valve, or switch can cause a code 32. Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** Jazzman, Nope, no other error codes as of yet, and the EGR is brand new as of two days ago. I will try what you said, not a problem. I was afraid that Im burning oil, but my exhaust smells like gasoline. I havent had a single other error code other than 32 for 2 months now and just got the fixing it up about 5 days ago. Could it possibly be lingering carbon in the system that is still giving me the error code? Or after replacing the EGR valve it should clear right away? Im still hanging to the fact that my solenoid might be bad, but Id hate to buy one if I dont have to. Ill give what you said a try tomorrow. Thanks, Nate > DO this. With the engine idling, use your fingers to push > up on the diaphragm inside the EGR valve hat. This will open [quoted text clipped - 85 lines] > live under the laws of justice and mercy." - Wendell Berry > ********************************************************** About how much would a replacement EGR solenoid cost if anyone has an idea? Thanks! Nate > DO this. With the engine idling, use your fingers to push > up on the diaphragm inside the EGR valve hat. This will open [quoted text clipped - 85 lines] > live under the laws of justice and mercy." - Wendell Berry > ********************************************************** before you go buying a new solenoid (expensive) try this (cheap). There is a small rubber hose going from the end of the solenoid up to a tube on the firewall. Replace this, clear the codes, and see if they come back after 5+ minutes above 55mph. SignatureRobert W. Hughes (Bob) BackYard Engineering 29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W Houston, Texas "The city with too much Oxygen" rwhughe@oplink.net > before you go buying a new solenoid (expensive) try this (cheap). There > is a small rubber hose going from the end of the solenoid up to a tube > on the firewall. Replace this, clear the codes, and see if they come > back after 5+ minutes above 55mph. That rubber hose is the fresh air sourse for bleeding off vacuum when the solenoid commands the EGR valve to close. This would only really cause a problem if it was totally plugged, and if it was it would keep vacuum in the EGR system and cause drivability problems. However, since vacuum would be present it wouldn't trip a code 32. New solenoids are expensive, it's usually better to try repairing yours first. The buddycraigg code 32 link on Pennocks is a good place to start. JazzMan Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** >>> before you go buying a new solenoid (expensive) try this (cheap). There >>> is a small rubber hose going from the end of the solenoid up to a tube [quoted text clipped - 7 lines] > system and cause drivability problems. However, since > vacuum would be present it wouldn't trip a code 32. Actually it will, the ecm checks for the presence of vacuum when it tries to turn on the egr and it checks for the lack of vacuum when it tries to turn the egr off. This seems to be really common problem and the #1 cause of the code. SignatureRobert W. Hughes (Bob) BackYard Engineering 29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W Houston, Texas "The city with too much Oxygen" rwhughe@oplink.net Guys, As it turns out, I had a replacement EGR solenoid sitting in my basement.... I totally forgot about it. Regardless, the error code went away but the car still wants to stall out on startup unless I pump the gas a bit. Any more ideas? Thanks a bunch, Nate > before you go buying a new solenoid (expensive) try this (cheap). There is > a small rubber hose going from the end of the solenoid up to a tube on the > firewall. Replace this, clear the codes, and see if they come back after > 5+ minutes above 55mph. There are lots of things that could cause that, such as a cracked EGR tube or other problem that causes a vacuum leak, a bad MAP sensor, TPS, IAC valve, etc. On startup the car is in open loop, meaning that it ignores the O2 sensor readings and runs the fuel tables strictly off of a pregrogrammed map stored in the ECM's "chip". Generally it takes a minute or two for the O2 sensor to start reading properly, at this point the ECM starts listening to it and modifying the fuel delivery based on those readings. So, if you've got a vacuum leak, that would drive the mixture lean, which if small enough is no problem for the ECM to compensate for after detecting the problem from the O2 sensor readings. Since the readings are ignored at startup, a lean problem would cause driveability issues until the O2 sensor warmed up enough to start working. That's just one scenario. Do you have a laptop or other means to run a PC in your car? If so, you can build an interface cable for less than $20 that will allow you to use your PC to look at the data coming from the ECM via the ALDL interface behind the cigarette lighter plate. The software is called WinALDL and is free to download, though the author would be appreciative of donations. Do a google on WinALDL and the first hit should be his site, including directions on building the interface cable. JazzMan > Guys, > [quoted text clipped - 16 lines] > > Houston, Texas "The city with too much Oxygen" > > rwhughe@oplink.net Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** > There's a thread over on Pennocks that has all you ever wanted to know > about the Fiero V6 EGR system, http://www.fiero.no go to the forums, [quoted text clipped - 6 lines] > the line that goes from the solenoid to the EGR valve. A broken > vacuum line, defective EGR valve, or switch can cause a code 32. Unless Cliff has moved to Norway, the last two letters of the URL should be "nl". Tsk tsk, Jazzman. Otherwise, we do trust you. :-) > > There's a thread over on Pennocks that has all you ever wanted to know > > about the Fiero V6 EGR system, http://www.fiero.no go to the forums, [quoted text clipped - 11 lines] > > Tsk tsk, Jazzman. Otherwise, we do trust you. :-) Yeah, right. :) You coming to the swap meet next weekend? I'm having a room party at the hotel, all the beer you can drink if you're staying at that hotel or have a designated driver. :) JazzMan Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** > You coming to the swap meet next weekend? I'm having a room > party at the hotel, all the beer you can drink if you're > staying at that hotel or have a designated driver. :) I might make it but I found out this week that the transmission in my Astro van is slipping and needs work. Might not get done in time. None of the Fieros would make it, although I toyed with the idea of towing it down to Ed's for a little servicing. Perhaps later in the summer. I do have to be in Florida in May so I might make to the Swap Meet some way. I do enjoy them. I'm a lousy drunk though -- I get mean for 15 minutes and then fall asleep. It ain't pretty. I'm usually the designated driver these days. :-) >> You coming to the swap meet next weekend? I'm having a room >> party at the hotel, all the beer you can drink if you're >> staying at that hotel or have a designated driver. :) Swap meet where, when? >>>You coming to the swap meet next weekend? I'm having a room >>>party at the hotel, all the beer you can drink if you're >>>staying at that hotel or have a designated driver. :) >> > Swap meet where, when? The Annual (Maybe Last) Fiero Swap Meet and Get-together April 29th weekend at the Fiero Factory in Huntsville, Alabama. I think it might be the sixth or seventh. I only missed one, but it looks bad for this year too. A great time. Not so much a car show as it is a time to shoot the sh.t and sell or bring home parts. http://www.thefierofactory.com/swapmeet.htm |
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