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The Pub For General Automotive Related Talk |
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07-07-2017, 09:27 PM | #1 | ||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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Hi all,
My mums car is going into limp mode. We took it to super cheap and got the following codes: P1270 ( engine speed rev / limiter reached ) P2110 ( throttle actuator control fault ( TAC )) P1507 ( idle air control fault ( IAC )) Can someone please shed some light on what could be wrong? Im trying to find a link between the throttle actuator and the idle air control. Thanks in advance.
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory |
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07-07-2017, 09:33 PM | #2 | ||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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Here is the actual super cheap sheet.
Obviously the first 3 highlighted lines are my concern. Thanks. https://ibb.co/btgScv
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory |
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07-07-2017, 11:15 PM | #3 | ||
FF.Com.Au Hardcore
Join Date: Jul 2011
Posts: 1,011
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What's the battery like? That can cause issues and may be worth looking into before you go replacing lots of parts.
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BF MKII XR6 CONQUER (SOLD) FG XR6T SILHOUETTE - 380rwkw |
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07-07-2017, 11:29 PM | #4 | ||
Starter Motor
Join Date: Jun 2012
Posts: 14
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Sounds like a Throttle position sensor (TPS) Fault, Or as lucas2 said the Battery.
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07-07-2017, 11:49 PM | #5 | ||
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08-07-2017, 01:47 AM | #6 | ||
FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,470
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Those 3 codes with U prefix suggest either the scanner was not fully plugged into the diagnostic port (the most common cause), the scanner is faulty or the diagnostic port is faulty. As a first step you need to get it scanned again perhaps elsewhere and make sure the scanner plug is pushed into the diagnostic port as far as it will go.
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regards Blue |
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08-07-2017, 12:28 PM | #7 | ||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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It seems to shudder and feels like its going to stall but doesnt - mainly at low speed.
Then sometimes it will just lose power and stop. Once I restart it then its ok. Anymore suggestions please?
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory |
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08-07-2017, 04:03 PM | #8 | ||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Pit Lane
Posts: 11,867
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I would be checking for vacuum leaks
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Pit Lane Performance 20 Rosella St Frankston 03 9783 8122 Authorised Streetfighter, Pcmtec , SCT & HP Tuners Tuning Agent,
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08-07-2017, 04:37 PM | #9 | ||
FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,470
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It might also be that the ECU plugs have come loose; see http://www.fordmods.com/post1394839.html
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regards Blue |
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08-07-2017, 06:49 PM | #10 | ||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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OK Thanks.
Where are these plugs located? Also whats the best way to test for vacuum leaks? Thanks.
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory |
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08-07-2017, 06:54 PM | #11 | ||
FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,470
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If the inlet manifold is leaking it's usually at the bottom of number 1 or 6 inlet manifolds where they bolt onto the head. The best way to find it is too put a length (1/2 a metre) of windscreen sized tubing in one ear while moving the other end around under the manifold listening for a telltale sucking noise; do this with engine idling both when the engine is a hot and when it is cold as the change in head and manifold temperatures can sometimes temporarily close up any gap between the head and the manifold.
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regards Blue |
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08-07-2017, 07:07 PM | #12 | ||
FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,470
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The Electronic Control Unit (ECU) or Power Control Module (PCM) is in the engine bay on the passenger's side near the windscreen it's the aluminium box like this: http://www.ebay.com.au/itm/FORD-FALC...MAAOSwSlBYzI-N and this. As you can see the plugs are underneath on the engine side. Disconnect the battery and ensure the ignition is off and the key removed before playing with the plugs or unbolting the ECU/ PCM otherwise you risk damaging it.
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regards Blue |
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08-07-2017, 07:39 PM | #13 | ||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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Thanks Aussieblue.
I was reading that there is a Technical service bullitin for BF's stalling. TSB 20/05. Something to do with cleaning the throttle body. Is there anyway I can read this? Thanks.
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory |
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08-07-2017, 07:41 PM | #14 | ||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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Also...
Can I clean the TPS? If I do is there a procedure to ''re-learn' it when i put it back together? Thanks
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory |
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09-07-2017, 07:56 PM | #15 | |||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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Quote:
Are you saying that this can cause an intermittant problem? Thanks.
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory |
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09-07-2017, 08:11 PM | #16 | |||
FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,470
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Quote:
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regards Blue Last edited by aussiblue; 09-07-2017 at 08:20 PM. |
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09-07-2017, 08:30 PM | #17 | |||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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Quote:
OK. That is interesting. Maybe Ill start with that. While im at it - where is the Idle control unit? I looked on top of throttle body but wasnt to sure which it was. Was told to clean this too. Thanks.
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory Last edited by IH8HSV; 09-07-2017 at 08:43 PM. |
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10-07-2017, 09:46 AM | #18 | ||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Pit Lane
Posts: 11,867
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your throttle body is your idle control unit
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Pit Lane Performance 20 Rosella St Frankston 03 9783 8122 Authorised Streetfighter, Pcmtec , SCT & HP Tuners Tuning Agent,
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10-07-2017, 05:13 PM | #19 | ||
XR6T 400kw(well one day!)
Join Date: Dec 2005
Location: Toodyay W.A.
Posts: 1,008
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Ok,
Thanks for all that. Im going to replace the battery, clean the throttle body and replace the TPS. Hopefully that will cure it. Thanks
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If it Vibrates, rattles, squeaks or knocks - then it must be a Territory |
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29-09-2019, 11:57 AM | #20 | ||
Starter Motor
Join Date: Sep 2019
Posts: 7
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According to the owners manual.
If your battery is 9 volts or below it will send the car into limp mode. |
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29-09-2019, 01:11 PM | #21 | ||
FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,470
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It might also be a failed throttle body as it is not uncommon. See https://fordforums.com.au/showthread.php?t=11479350
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regards Blue |
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28-02-2021, 12:04 PM | #22 | ||
Starter Motor
Join Date: Feb 2021
Posts: 2
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Did you ever get to the bottom of this? my car is doing exactly the same thing.
2003 BA falcon |
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01-03-2023, 12:12 PM | #23 | ||
Starter Motor
Join Date: Feb 2023
Posts: 5
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Hi mate did you fix this issue?
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02-03-2023, 10:09 AM | #24 | ||
Starter Motor
Join Date: Feb 2021
Posts: 2
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Yes, it was a faulty inlet gasket with my one.
Replaced it and she ran like a dream. |
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