buying gto with check engine light on...
#1
buying gto with check engine light on...
Hey, its been a long time since i have posted on here because I sold my z28. Well I'm looking at getting an 04 GTO m6. The only problem is that its had a cam swap done and the check engine light is on. Kind of looks like it is running rich because I smell a ton of gas when it starts. The dealer has no idea what size cam it is running.
What can I do to get it running correctly? Should I even purchase it because the dealer has no info on the cam? Would I be able to buy a hand held tuner to get this taken care of? What other options might I have for this? I also cannot take it to anywhere to have it dyno tuned because the closest one is around 300 miles away.
Sorry for the newb question but any suggestions would be greatly appreciated.
What can I do to get it running correctly? Should I even purchase it because the dealer has no info on the cam? Would I be able to buy a hand held tuner to get this taken care of? What other options might I have for this? I also cannot take it to anywhere to have it dyno tuned because the closest one is around 300 miles away.
Sorry for the newb question but any suggestions would be greatly appreciated.
#2
You could probably get someone with a wideband and HP Tuners to help you street tune it. I'm not sure a handheld tuner will really be much help. To get the A/F ratio dialed in you really need a real tune.
#3
So you not knowing the size of the cam in the car wouldn't really be a problem with tuning? I might know someone that can tune it. Just thinking it might be more hassle that its worth, ya know?
#5
#6
Well I will go test drive it again and take it up to autozone to have the codes checked tomorrow. I have also posted about it in another local forum and a few people have looked into it a little more. They say that its a H/C/I car with no after market exhaust. The only thing that bothers me about it I guess is that it has 20k miles on it. That seems really low so it makes me think it will not be very reliable and I'm kind of looking for a fun DD right now.
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#8
OK, so this is what I have found out this morning. Throwing two codes. P0172 and P0175. It has 823 listed on the heads. Sounds like its running rich from the sound of both of those codes. Any advice on what to do? I know someone with an HP tuner program, would he be able to get everything running correctly?
#10
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From: Harrison Township, Michigan
I threw a cam in my car over the summer, not knowing the exact specs of it, and it was not a problem for the tuner. I would just be concerned how the car was driven untuned. Hopefully no full throttle pulls or anything like that... you don't want a lean condition.
#11
Not a bad thing but 823 heads are L92 heads (truck heads). Sounds like the car has had a few mods. You may have some luck finding out what was done to the car if you poke around the ls1gto forums.
#12
You should have no problems with that being a reliable DD. If it's a huge cam with something like a 110 LSA it will take some getting used to but you should be fine. Just make sure your buddy with HPT knows what they're doing. Running rich is fine but when you get too lean then you're gonna have problems.
Being a H/C/I car that thing should be pretty quick. But I'm not sure why anybody would go through the trouble of that without touching the exhaust. I would look into maybe changing that...
Being a H/C/I car that thing should be pretty quick. But I'm not sure why anybody would go through the trouble of that without touching the exhaust. I would look into maybe changing that...