HELP!! My trunk is sending 7 codes
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Junior User
Joined: Oct 2006
Posts: 82
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From: Fairdale,Ky
HELP!! My trunk is sending 7 codes
It all started with the truck not starting.No lights or anything.Then my boyfrind decided it was the ground wire.Replaced the ground wire to the battery and also the little ground wire.Truck was fine.Then it happened again.He decided it was the postive wire.Replaced that.Then it read code 22 MAP, and 32 EVP voltage below closed limit.Replaced the MAP sensor.Then I remembered it not starting about 2 years ago and it was the ignition modular.So I thought maybe it was that and not the ground or positive wire.Replaced that.Now is where it gets good.Now the truck gives codes: 11 system pass, 22 MAP, 41 No HEGO switching detected, 51 ECT/ACT circuit open, 54 ACT sensor circuit open, 53 TP circuit above max voltage, 32 EVP voltage below closed limit..Codes were checked twice.It still runs, although not the best, but at stops it either surges or quits. PLEASE HELP!! What did my boyfriend do to my truck?? Thanks. Any advice is GREATLY appreciated.
Fleet Mechanic
Joined: Apr 2008
Posts: 1,724
Likes: 2
From: Vancouver BC Canada
I would suggest rechecking the ground wires he replaced. Make sure they're clean and tight, and make sure all wires were put back. In some ground locations, multiple wires will be grounded in that spot. Sounds like a grounding issue to me...
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Junior User
Joined: Oct 2006
Posts: 82
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From: Fairdale,Ky
Sorry for the late update.We replaced the EGR sensor and it ran the same.In the mean time I read a thread about the 7 and 8 spark plug wires.I didn't know if it was for a 460 engine or not.Well,I rerouted the no.7 plug wire , disconnected the battery cables, took it for a spin.Needless to say it ran like crap,started throwing codes as I was driving,( like before ) then all of a sudden, I guess the puter caught on.It runs like a scared cat except when I come to a stop.It will lunge or quit.Someone said to clean the IAC. The problem is I have no idea what it looks like or where it is.Can you please help!!!
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Junior User
Joined: Oct 2006
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From: Fairdale,Ky
When I am at a stop light I have to keep my foot hard on the brakes so it won't take off or it just dies.
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Junior User
Joined: Oct 2006
Posts: 82
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From: Fairdale,Ky
yes..automatic and smog pump ( where ever that is ) LOL..
Is there another name for it ?..I'm sitting here with myHaynes Manual
Is there another name for it ?..I'm sitting here with myHaynes Manual
Last edited by izmepeggy; Mar 15, 2009 at 01:36 AM. Reason: forgot to add
Elder User
Joined: Feb 2008
Posts: 721
Likes: 0
From: Four Corners, MT
Look up "Thermactor Air System."
I swear this sounds almost like my problem when my smog pump started having problems.
Could be completely different though.
Let me do some more research quick.
I swear this sounds almost like my problem when my smog pump started having problems.
Could be completely different though.
Let me do some more research quick.
Elder User
Joined: Feb 2008
Posts: 721
Likes: 0
From: Four Corners, MT
Ok, so 41 is your oxygen sensor. If you have two oxygen sensors then 41 means it's your right side. (Passenger Side.)
Here's a link to troubleshooting your IAC Valve.
https://www.ford-trucks.com/article/...r_IAC_Fix.html
32 could just point to your fuel filter, so try replacing that. Also throw some SeaFoam in the gas tank to clean everything.
Have your battery tested, what is it charging at?
22 Map could just be caused by your TPS not working correctly.
The remaining codes all lead to 02 Sensor and fuel pressure. I would try testing the 02 sensors or just replacing them if you never have.
Then installing a brand new fuel filter if you haven't done so lately.
Is this helping?
Here's a link to troubleshooting your IAC Valve.
https://www.ford-trucks.com/article/...r_IAC_Fix.html
32 could just point to your fuel filter, so try replacing that. Also throw some SeaFoam in the gas tank to clean everything.
Have your battery tested, what is it charging at?
22 Map could just be caused by your TPS not working correctly.
The remaining codes all lead to 02 Sensor and fuel pressure. I would try testing the 02 sensors or just replacing them if you never have.
Then installing a brand new fuel filter if you haven't done so lately.
Is this helping?
Thread Starter
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Junior User
Joined: Oct 2006
Posts: 82
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From: Fairdale,Ky
Since I replaced the EGR sensor and straighted out the plug wires the check engine light has not came back on.Now tomarrow may be another story.The battery was the first thing tested.Had it checked twice and it is good. You have really helped alot.Thanks DasCheckers.
Elder User
Joined: Feb 2008
Posts: 721
Likes: 0
From: Four Corners, MT
Not a problem!
We'll get this figured out yet!
I highly recommend disconnecting that battery for a whole night. Try it tonight if you can.
It will reset everything.
Then I recommend that you get a completely different scanner and re-scan the truck.
Different scanners read differently.
Let me know!
We'll get this figured out yet!
I highly recommend disconnecting that battery for a whole night. Try it tonight if you can.
It will reset everything.
Then I recommend that you get a completely different scanner and re-scan the truck.
Different scanners read differently.
Let me know!
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Junior User
Joined: Oct 2006
Posts: 82
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From: Fairdale,Ky
DasChecker you are my HERO. I found the IAC!!!! Will pull it off and clean it today.Yesterday when I drove it just idles bad when I stop but not when it's in Park. I's getting better.After I clean the IAC it should help.Thank you for your time and guidence.