So I have an 04 GT that I brought in on Friday because the service engine soon light was on. So I go there and just have them do the 30,000 mile service as well. So they call me up on Saturday and tell me the car is ready. I go to get it and the damn service engine light is still on. So I leave it again and they call me today and tell me that since I have an aftermarket TB that it's causing my #2 cylinder to misfire and for $450 they will put a stock TB on for me. So I'm thinking...how the hell would that cause a cylinder to misfire?!?! Is there something that I don't know about or what?? Please help. The TB I have on now is a Accufab 70mm with plennum. Ohh...and they charged me another $100 just to hook it up to get troubleshooted. A$$holes.
just for future reference you can go to autozone and they will tell you what it is for free. I don't see the misfire, but it could have been a bad air/fuel mixture. I had my CEL go on for that before, that's all it said bad air/fuel mixture.
_____________________________
2003 Mustang GT BBK Shorty Headers flowmaster 40s BBK CAI
Posts: 2206
Joined: 8/11/2006 From: Central Texas Status: offline
quote:
ORIGINAL: mustang_marine8762
So I have an 04 GT that I brought in on Friday because the service engine soon light was on. So I go there and just have them do the 30,000 mile service as well. So they call me up on Saturday and tell me the car is ready. I go to get it and the damn service engine light is still on. So I leave it again and they call me today and tell me that since I have an aftermarket TB that it's causing my #2 cylinder to misfire and for $450 they will put a stock TB on for me. So I'm thinking...how the hell would that cause a cylinder to misfire?!?! Is there something that I don't know about or what?? Please help. The TB I have on now is a Accufab 70mm with plennum. Ohh...and they charged me another $100 just to hook it up to get troubleshooted. A$$holes.
I'm sure they will! Hell, i'd put your stock one back on for that kind of money. Those MF'ers at that dealership have lost their damn mind.
Ok...I didn't think that could happen either. I sounded kinda fishy. I've had the TB on there for about a year now and the light just came on last week. The motor doesn't sound like it's running funny or feel different in any way. And no...I don't have any tune or chip for it yet. I'll look into that air/fuel mixture theory though. Thanks guys.
You need to find out what code(s) are being thrown... There's no way that the Accufab TB & plenum could possobly cause a misfire on cylinder #2--only...
_____________________________
-cliff knight- My Mustang 2003 GT, UPR X, Magnaflow, 180° stat, PP 70mm TB & plenum, Sniper tuned 3.73s, 252 rwHP/296 ft.lb. Multi-fuel: burns gas and rubber...
I'd go to AutoZone and ask them to use their OBDII sensor and they can tell you the problem and print it out with the problem, causes, and solutions...I had my cylinder 4 misfiring and all it was was a bad gap on my spark plug...I'd check that first, it was easy to find my #4 cuz my wires are numbered...I could tell you which one #2 is if you need it...
Here are the possible causes for P0172, from the factory shop manual--nothing to do with the TB... Take a look at the MAF sensor, make sure it's plugged in correctly--if so take it off and look for physical damage.
_____________________________
-cliff knight- My Mustang 2003 GT, UPR X, Magnaflow, 180° stat, PP 70mm TB & plenum, Sniper tuned 3.73s, 252 rwHP/296 ft.lb. Multi-fuel: burns gas and rubber...
But don't get confused cuz they won't fix it or anything, they will just read the code for you, and unless you get a good person up there or you are knowledgable enough yourself, then they may still not be able to help you...So make sure that you have them read the code and then print it out for you so that you can take it to your mechanic....
the longer you have your mustang the more you will realize that you need to learn to fix it yourself. small things go wrong frequently and unless you can fix them yourself, ford will continue to give it to you up the ass.
EDIT: btw...be sure to check the price on parts. theyve tried to overcharge me for parts multiple times and everytime ive complained theyve said, "Well actually we can cut you a 'deal' and sell it to you for $--." a$$holes.
< Message edited by 945LSTANG -- 5/13/2008 4:22:09 PM >
the longer you have your mustang the more you will realize that you need to learn to fix it yourself. small things go wrong frequently and unless you can fix them yourself, ford will continue to give it to you up the ass.
EDIT: btw...be sure to check the price on parts. theyve tried to overcharge me for parts multiple times and everytime ive complained theyve said, "Well actually we can cut you a 'deal' and sell it to you for $--." a$$holes.
I agree with this statement 100%. I have never went to the dealer for anything non warranty related except to reflash my computer for PATS. I'd rather spend my money elsewhere than waste it on them.
_____________________________
2003 3.8L w/a swapped in 4.6L, dyno tuned by Texas Hot Rods, El Paso, TX
Printable Version
I Think Ford Is Trying To F$$K Me?!?! - 
[/image]
