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Blakapinoy_213

Probationary Member
19
0
Dec 31, 2008
chicago, Illinois
Ok I just bought my 99 gsx a couple weeks ago and when i bought it the "check engine/service engine soon" light was on. So I took it to Autozone to get an OBD scan and it gave to error codes. The first one was "p0455"(large leak in the EVAP system) and the second code was "p0170"(Fuel Trim Malfunction (Bank 1)). Also I noticed a hissing sound this morning while the car was running, and I found two vacuum lines near the bottom right corner of the radiator disconnected.....I'm not sure what or where they go to though:confused:(I'll get some pics up tomorrow of the vacuum lines).

Can someone pls help? I would really appreciate it?

-thx
 
A picture would help a ton with figuring out where those vac lines should be connected if you are able to post one up.

The fuel trim code is from the vac lines being disconnected.
The EVAP code could be many things, but things to check would be: gas filler cap, charcoal canister and the EVAP solenoid's hose connections on the firewall.

Virtual Tour of the DSM Engine Bay - Quadrant map
 
The fuel trim malfunction was most likely cause by the vacuum line disconnected(vacuum/boost leak).
Also I hope it wasn't the line going to the wastegate actuator for the turbo, that would cause overboosting and possible engine damage.
 
Thx for all of the input guys:) I'm going to put some pics up early tomorrow so u can see what lines im talking about.

And to rich 3389 I really reallllly hope it wasn't the line going to the wastegate actuator for the turbo, because I just got my car and engine damage doesn't sound fun!!! :cry:LOL
 
If you're worried about overboosting and hurting the engine or the turbo, before you drive it again, verify there is a vac connection on the WG actuator. I don't want to insult your intelligence here but I don't know if you're sure what to look for, so here's a picture. Make sure the nipple pointed to by the green arrow has a hose connecting it and either the intercooler piping or the intake manifold.
 

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>>>>======>>***UPDATE***<=======<<<<

I finally have some pictures of the the vacuum lines I'm talking about....does anyone know what they connect to?


BTW thx everyone for helping a new DSMer out!:D:D
 

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If you're worried about overboosting and hurting the engine or the turbo, before you drive it again, verify there is a vac connection on the WG actuator. I don't want to insult your intelligence here but I don't know if you're sure what to look for, so here's a picture. Make sure the nipple pointed to by the green arrow has a hose connecting it and either the intercooler piping or the intake manifold.

I checked the vac connection on the WG actuator and everything is good and connected.

I Appreciate the pic dude.thx
 
Power steering or automatic transmission cooler lines? I didn't see any vaccum lines pictured.
The evap leak could be caused by something as simple as someone opening the gas cap with the engine running.

The lines i pointed out are vacuum lines because when the engine is running I here a hissing sound coming from the ends in pic number 4.
 
So where do they lead to on the engine? I'm not as familiar with the 2G as the 1G, but they look like cooler lines.

Is the EVAP canister supposed to be mounted in the left front of your bumper? If it got knocked off in a minor fender bender, that would explain all of your problems.
 
So where do they lead to on the engine? I'm not as familiar with the 2G as the 1G, but they look like cooler lines.

Is the EVAP canister supposed to be mounted in the left front of your bumper? If it got knocked off in a minor fender bender, that would explain all of your problems.

hmm.....maybe you're on to something about the evap canister. Does anyone where the evap canister is located on a 2gb?
 
Canister is underneath the battery tray. Those look like ps lines, at lines, etc. The solenoid next to the o2 housing seems to have coolant in the line/opening. The fog light is not on correctly. Perhaps it was in an accident and the shop didn't connect everything.
 
Canister is underneath the battery tray. Those look like ps lines, at lines, etc. The solenoid next to the o2 housing seems to have coolant in the line/opening. The fog light is not on correctly. Perhaps it was in an accident and the shop didn't connect everything.

I would really make sure about that canister because one of the diagrams I saw showed the canister in the bumper, but it was the N/A model, and it appeared to be on the passenger side. But the OP said theres a sucking noise coming from those lines, so as far as I'm concerned, they're vaccum lines.

As for the solenoid that's leaking coolant, it looks to be actually the radiator drain petcock.

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It seems feasible to me that on at least some years of the turbo models, they may have moved the EVAP canister to the driver side in order to accomodate the sidemount IC.
 

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The easy way to find out if they are PS cooler lines(which they look like). Is the car hard to trun? If they were PS cooler lines you would lose your fluid and burn your pump up. They look dry so somthing is not right did you take the ends off in the last pic? I would trace them back and see where they go. Your only other option is A/C line which I dont belive because the are not threaded.
 
It appears after further studying that the lines are actually for the EVAP system, most likely the canister has been removed, which is no big deal if done the right way.

I've been looking at some service manuals, and some of the 2g's had the canister in the front bumper. If it isn't on the firewall approximately above the transmission belhousing, it would be in the front bumper.
Canister is underneath the battery tray.
Ours are, but we have the same DSM.
I would really make sure about that canister because one of the diagrams I saw showed the canister in the bumper, but it was the N/A model, and it appeared to be on the passenger side.
The canister is located differently for different years and supposedly is also sometimes different between same year eclipse/talon. I think I remember seeing the '99 GSX canister located just behind the front bumper in another thread.

edit: Found it; Discussed here, good pic in post #32.
 
Here's someone with a 98-99 GSX, who claims their canister is in the driver side of the bumper. I tend to believe him. He isn't the only one I found who says so.
Just for clarification, this is the charcoal canister correct? I'm 99% positive it is but just making sure. Its in the same spot as my '97 GS was just on the driver side instead of the passenger. Anyway here is the picture:

<a href="http://imageshack.us"><img src="http://img89.imageshack.us/img89/3224/1007510zt9.jpg" border="0" alt="Image Hosted by ImageShack.us"/></a><br/>

and another:

<a href="http://imageshack.us"><img src="http://img132.imageshack.us/img132/5043/1007508un5.jpg" border="0" alt="Image Hosted by ImageShack.us"/></a><br/>

:dsm:

If you guys don't believe me now, I can't help you.
 
Based off of the codes and from reading about EVAP removal quite a bit before actually removing mine, I would have to agree with the above 2 posts that those lines are for your charcoal canister which, from what I've heard, is located in the front drivers side bumper on the 99 GSX models.

Since you're throwing a code, I would also check for an unplugged solenoid (look around the firewall behind your intake mani, although it may be different since it sounds like your canister is located up front). If there's one that is unplugged, make sure to plug it back in.

Also, since you're hearing a sucking noise coming from this area, it leads me to believe that your EGR valve has not been blocked off (which is controlled via vacuum hoses). The EVAP system really only kicks in during light throttle cruising and at idle. I'm not sure if it would work, but check to see if you when you rev the motor, you still hear the "sucking" sound that you're referring too.

If you're state doesn't enforce smog testing, I would recommend just blocking off your EGR and completely removing the rest of your EVAP system.
 
Based off of the codes and from reading about EVAP removal quite a bit before actually removing mine, I would have to agree with the above 2 posts that those lines are for your charcoal canister which, from what I've heard, is located in the front drivers side bumper on the 99 GSX models.

Since you're throwing a code, I would also check for an unplugged solenoid (look around the firewall behind your intake mani, although it may be different since it sounds like your canister is located up front). If there's one that is unplugged, make sure to plug it back in.

Also, since you're hearing a sucking noise coming from this area, it leads me to believe that your EGR valve has not been blocked off (which is controlled via vacuum hoses). The EVAP system really only kicks in during light throttle cruising and at idle. I'm not sure if it would work, but check to see if you when you rev the motor, you still hear the "sucking" sound that you're referring too.

If you're state doesn't enforce smog testing, I would recommend just blocking off your EGR and completely removing the rest of your EVAP system.

It's all stock! He wasn't trying to remove the canister, it was just missing. Thats why there's a huge EVAP leak "p0455", and why there is a huge boost/vaccum leak "p0170"(Fuel Trim Malfunction (Bank 1). Who said anything about an EGR valve? WTF
 
It's all stock! He wasn't trying to remove the canister, it was just missing. Thats why there's a huge EVAP leak "p0455", and why there is a "p0170"(Fuel Trim Malfunction (Bank 1). Who said anything about an EGR valve? WTF

I did.

I understand that the canister is missing, or that something is "out of whack." I was only agreeing that based off of the information that he gave (the pictures of the lines, the location of the lines, the codes he is throwing, and the sound that it is making), I'm lead to believe that it is EVAP related, and NOT power steering, A/C, or another type of vacuum line.

If you remove JUST the canister but leave the EGR valve in place, then the EGR is going to continue to try and suck fumes that would be contained in the charcoal canister and purge them back into the intake. If you the canister is gone (or just disconnected) then it's feasible that you could hear the sucking sound coming from those lines.

I only suggested that he correctly remove his EVAP system (and subsequently block off his EGR valve) since it's cheaper (read: FREE) then buying a new charcoal canister or otherwise trying to find the right parts to fix the EVAP system. Plus it really cleans up the engine bay.
 
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