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03-28-2004, 03:45 PM
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#1
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Error Code P0411
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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Hello,
Got my check engine light on last night (ironically at 12:00AM... the day of my birthday). Went over to autozone and they told me it was P0411 (secondary air induction system -- incorrect flow). Could anyone guide me on what could be wrong and what I must do to fix it?
Car Specs:
1999 Ford Mustang V6
Automatic Transmission
70,900 est. miles
Thanks. |
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03-28-2004, 04:14 PM
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#2
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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http://www.3.8mustang.com/forum/show...ighlight=p0411 << Found that on 3.8... probably the only thread there with any useful info on this error code. Hmm... it'd be nice to have a more definate answer that way I can avoid taking my car in for work since it has been modified already which probably has voided my warranty. |
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03-28-2004, 04:43 PM
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#3
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zoom zoom
Join Date: Jul 2003
City: College Station, TX
Posts: 2,613
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check to see if you have a leak on your intake tubing. do you have cold air or something you've messed with before?
if you don't find anything, go to ford and ask em. |
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03-28-2004, 05:47 PM
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#4
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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I do have a cold air intake, but I've had it for over a year now with no problems.
By the way, I just checked on my warranty that we paid $1420 for and it expired after 12 months. So it was over with last June. Oh well.
My stepdad is going to take it into his work tomorrow and see if any of the mechanics can find anything wrong with it. We'll see. I'd really prefer not to have to pay any money at a dealership to fix this... at least not more than $50 after just spending $1400 for wheels & tires today. I'm pretty much living off $100 now for the next two weeks. |
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03-31-2004, 02:08 PM
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#5
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Registered User
Join Date: Jan 2004
City: Richmond, Va
Posts: 22
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same shit happened to me. ive ripped out my intake like 3 times and i put it back in a lil while ago. ive gotten the codes deleted millions of times and have disconnected the battery a few times. Still came on. Yesterday i put in my autometer gauge cluster (looks sweet as a bitch) and had to disconnect the negative and it hasnt come back on YET. We'll see what happens. If it comes back on the im going to put on my headers and then take it to ford. But ive also been driving with it on for about 3 months now and no major problem has occured. THIS CODE IS BULL SHIT!!!! |
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03-31-2004, 04:26 PM
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#6
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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I donno... sounds to me like I might as well just take it in and pay to get it fixed because I'd hate to deal with this random yellow light appearing on my dash non-stop. |
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03-31-2004, 06:47 PM
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#7
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postarama
Join Date: Aug 2003
City: Southaven
State: Mississippi
Posts: 24,353
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I know how you feel...random lights jus appear on my dash so I just keep pullin the battery cable and reattaching
Nothing major, it just doesn't think i can put my gas cap back on right. the sensor is messed up
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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03-31-2004, 06:57 PM
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#8
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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Wait a tic... so do you think if I detatch the battery... put it back on, and if no light comes back on (check engine) then it was just a glitch? |
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03-31-2004, 07:56 PM
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#9
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Senior Tech Advisor
Join Date: Jun 2003
City: Burlington, NC
State: North Carolina
Posts: 2,685
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That happens sometimes, If you don't tighten the gas cap enough when you put in gas it will trigger a check engine soon light, for sure. I had an aftermarket gas cap on my 94, that code stayed on most of the time, so I finally bought a Ford replacement cap, never got that code again.
__________________
 Rick Kilpatrick, AAS Automotive Systems Tech, Alamance Community College, Class of 99. 06 5 speed manual Mustang with Pony pkg : GT Mac Mufflers, true duals with one custom pipe. 2.5" system. GT bumper cover, all installed March 7&8 2006. AFE Stage 1 CAI, Motoblue Underdrive pulley, GT aluminum shifter knob, honeycomb rear blackout panel,and dash kit installed. Roush hood scoop and side window louvers installed. SS taillight trim has been installed, new alum. GT steering wheel installed.
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03-31-2004, 08:25 PM
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#10
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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Wow... this specific error came up just because of a gas cap? I had filled up earlier that night... but the light didn't come on until at least an hour later. So by unplugging and plugging back in my battery cable... I may be able to get rid of that light? |
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03-31-2004, 08:36 PM
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#11
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Senior Tech Advisor
Join Date: Jun 2003
City: Burlington, NC
State: North Carolina
Posts: 2,685
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Worth a try man. But disconnect the ground wire. Use an 8mm wrench. Leave it off as long as practical. At very least step on the brake pedal 3 or 4 times while its disconnected to drain any residual voltage from the system.
__________________
Rick Kilpatrick, AAS Automotive Systems Tech, Alamance Community College, Class of 99. 06 5 speed manual Mustang with Pony pkg : GT Mac Mufflers, true duals with one custom pipe. 2.5" system. GT bumper cover, all installed March 7&8 2006. AFE Stage 1 CAI, Motoblue Underdrive pulley, GT aluminum shifter knob, honeycomb rear blackout panel,and dash kit installed. Roush hood scoop and side window louvers installed. SS taillight trim has been installed, new alum. GT steering wheel installed.
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03-31-2004, 08:41 PM
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#12
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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Ok, thanks for the advise. I'll get out there a few mins before school and give it a try. I can't imagine that it's because I didn't tighten the gas cap enough -- seems like such a trivial thing... but people make mistakes I guess?! |
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03-31-2004, 08:43 PM
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#13
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I liek gramer
Join Date: Jan 2004
City: Birmingham
State: Alabama
Posts: 19,165
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haha yeah, i remember hearing about that somewhere. So I always make sure my cap clicked and is tight. |
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03-31-2004, 08:49 PM
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#14
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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And you guys heard about this gas cap problem being related to this specific error code? |
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03-31-2004, 08:50 PM
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#15
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I liek gramer
Join Date: Jan 2004
City: Birmingham
State: Alabama
Posts: 19,165
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not a specific error code, just about one appearing if the cap wasn't tightened correctly |
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03-31-2004, 09:42 PM
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#16
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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Ooo... Rick made it sound like as if the gas cap issue was a resolution for this specific error code. If not... then no, it's most likely not the gas cap because I already had my car up at AutoZone and was given the error code P0411. |
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03-31-2004, 09:42 PM
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#17
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postarama
Join Date: Aug 2003
City: Southaven
State: Mississippi
Posts: 24,353
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Mine actually pops up with a little message on far right of dashboard that says "check gas cap". I checked it then and it did shit. I'm just gonna put a piece of electrical tape over the light and not worry about it anymore...
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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03-31-2004, 09:49 PM
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#18
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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Hmm... yeah, I've never seen that light. The light I'm getting is the yellow Service Engine Soon light. |
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04-01-2004, 07:25 PM
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#19
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I break shit
Join Date: Jan 2004
City: Oak Creek, WI
State: Wisconsin
Posts: 162
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Here is your first problem....Its a ford...jp, I have a ford too. What you might want to do is if disconnecting the negative on the battery doesnt do it, then try finding someone with a ford diagnostic tool who can reset your computer. Before doing that though, you might want to take it to a mechanic or the dealer because you might have a sensor that went bad. It could be a pressure sensor on the manifold...
__________________
1988 Ford Mustang LX
306ci 5 speed
1990 Isuzu Pickup
2.3L 5 speed 
1990 Acura Integra
1.8 5 speed
All vehicles in color of text 
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04-04-2004, 12:38 PM
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#20
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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My stepdad looked at my car today and found that the air pump is all packed up. Need to replace it basically. Anyone know how much that'll run me? I'm gonna ask my friend at Advance Auto so that way I can see if his discount will help much, otherwise, I'll order it from my dad's body shop. Just doesn't sound like a part you'd find often on eBay. |
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04-04-2004, 12:45 PM
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#21
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Long Lost Adm1n
Join Date: Jul 2003
City: Northern Virginia
Posts: 1,605
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Oh... and it's a Secondair Air Injection (AIR) Electrical Pump that I need. |
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04-04-2004, 01:21 PM
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#22
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Senior Tech Advisor
Join Date: Jun 2003
City: Burlington, NC
State: North Carolina
Posts: 2,685
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Actually sounds like CA emissions stuff, is your stang CA emissions equipped Sharum? Oh well, you learn something new every day 
__________________
Rick Kilpatrick, AAS Automotive Systems Tech, Alamance Community College, Class of 99. 06 5 speed manual Mustang with Pony pkg : GT Mac Mufflers, true duals with one custom pipe. 2.5" system. GT bumper cover, all installed March 7&8 2006. AFE Stage 1 CAI, Motoblue Underdrive pulley, GT aluminum shifter knob, honeycomb rear blackout panel,and dash kit installed. Roush hood scoop and side window louvers installed. SS taillight trim has been installed, new alum. GT steering wheel installed.
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