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#31 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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That should be ecu going into closed loop the trims go up
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#32 | ||||||||
5.6L x 2 pilot
![]() ![]() Join Date: Dec 2009
Location: Canbra
Posts: 14,994
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Cheers Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 ![]() 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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#33 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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Hi mate
I meant to say going from open loop cold to closed after 90 sec Yea they maybe rich from the factory but not like this did you watch the long vid? its a Snap-on scanner |
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#34 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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How do I reset KAMs ?
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#35 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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It drips black condensation out the pipes,that how rich it is
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#36 | ||
T3 TE50 Blueprint
Join Date: Apr 2005
Posts: 934
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I replied to you on your other thread you have going as well. On one of your videos, it shows one of your o2 sensors still switching high/low even when the engine is off. It should peg itself full lean after a couple of seconds. VDO brand is not what it once was, were these from an eBay seller. When it comes to o2 sensors, NTK is the ticket. Even more reliable and consistent than Bosch. And NTK were used as OEM equipment for this model anyway.
Can I ask what oil is being used in the engine. This has an effect on sensor life too. Hope you find the cure soon. |
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#37 | ||
T3 TE50 Blueprint
Join Date: Apr 2005
Posts: 934
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#38 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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Yea mate I thought that was not right,how does the o2 make current without exhaust heat.
I cant remember if the the ignition was on,maybe the internal heater was causing it or does the heater only start when the engine is running. And yea I did get them of eBay I always thought VDO was up there with Bosch but as you say things change. So where do I source NTK sensors As for the Kams I have a battery isolator switch that I turn off when the cars not being used ( its a MK 3 Capri) so I guess that would take care of the kams I wondered if the computer doesn't like being reset all the time. This latest rich running episode started after picking it up from the panel beater that did full body and paint I wondered if they welded on it with the battery switch on an zapped a portion of the computer But Im in the same camp as you suspecting the 02s again especially as soon as it goes into closed and gets input from them it starts trimming upwards I just couldn't believe they would fail again at 2000ks and show no signs of contamination. The oil is a 10w-30 as per the service manual,but just looking then I notice the Xr8 has a different spec same weight but different spec numbers Any ideas why I also notice the manual specifies one type of plug for one bank and another for the other bank,why do you think that is ? Thanks for your help |
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#40 | ||
Drive'n Cruise'n Live'n
Join Date: May 2013
Location: Western Sydney
Posts: 916
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The service plugs are qty8 all identical. Not long ago bought qty8 genuine plugs for my AU2 220 from ebay for a decent price, Part no. Motorcraft AGSF32FM [SP-432].Cheers
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#42 | |||
5.6L x 2 pilot
![]() ![]() Join Date: Dec 2009
Location: Canbra
Posts: 14,994
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Quote:
My suggestion is that you get it tuned and take it from there. Cheers Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 ![]() 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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#44 | ||
Banned
Join Date: Apr 2014
Posts: 638
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my AU windsor was using 20L/100km, but ran beautifully. Replaced & cleaned what i could, but nothing changed & i was left with pressure & leak down test as mentioned earlier in the thread. I would be heading this way. Ended up selling before i got around to it
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#45 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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thanks mate ill put it on the list
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#46 | |||
FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Newcastle NSW
Posts: 7,890
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Quote:
https://www.ebay.com.au/itm/NTK-NGK-...kAAOSwstxVRsmI
__________________
T3 TL50 #147 Silhouette Auto ESS - Brembos - Last of 3 in T3 spec, only AUIII TL50 ever built -14.2 sec @ 98mph bog stock. Only customer ordered T3 TL50 built, only LWB sedan plated AUIII and the last performance enhanced LWB sedan built by Ford Aust. AUII Fairlane Ghia Sportsman 5.0L in Blue Pearl OWN THE ROAD |
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#47 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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Put em in
No change....open loop runs perfect,fuel trim 3% positive After 90 seconds into closed loop and off the chart the trims go Walked away for a few days |
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#48 | ||
FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Newcastle NSW
Posts: 7,890
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My stock 5.0 L AU II Fairlane is thirsty. 400 klms to a tank local driving just taking it easy.
Will throw a set of NTK sensors in and clean the MAF and see how it goes
__________________
T3 TL50 #147 Silhouette Auto ESS - Brembos - Last of 3 in T3 spec, only AUIII TL50 ever built -14.2 sec @ 98mph bog stock. Only customer ordered T3 TL50 built, only LWB sedan plated AUIII and the last performance enhanced LWB sedan built by Ford Aust. AUII Fairlane Ghia Sportsman 5.0L in Blue Pearl OWN THE ROAD |
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#50 | ||
5.6L x 2 pilot
![]() ![]() Join Date: Dec 2009
Location: Canbra
Posts: 14,994
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Did you reset the KAMs after putting in the new sensors? If not, all of your fuel trims will be based on the old o2 sensors. They need to be cleared.
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 ![]() 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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#51 | ||
FF.Com.Au Hardcore
Join Date: Apr 2012
Location: Adelaide
Posts: 2,802
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I’d say that’s about right, I’d say 450 would be the absolute max pushing the tank limit on a good running engine
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Current Car: 2002 AUII LTD 408ci Windsor, T6 S488, TH400, 2 Piece Shaft, Helicial LSD 3.23 IRS Daily: 1998 Mitsubishi Super VR-4 Legnum |
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#52 | ||
FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Newcastle NSW
Posts: 7,890
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I thought it should do better as I reckon my 5.6 TL would match it for klms/tank. I know the sensors have never been replaced so with 225k on the odo I will shout it a set anyways. Thanks for the reset info
__________________
T3 TL50 #147 Silhouette Auto ESS - Brembos - Last of 3 in T3 spec, only AUIII TL50 ever built -14.2 sec @ 98mph bog stock. Only customer ordered T3 TL50 built, only LWB sedan plated AUIII and the last performance enhanced LWB sedan built by Ford Aust. AUII Fairlane Ghia Sportsman 5.0L in Blue Pearl OWN THE ROAD |
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#53 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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Well the latest is I replaced the CPS and the forscan still says fault and CPS low (low? what that means I have no idea) but it seems to have improved the problem.
At one stage after resetting everything I could with the forscan software I actually had the fuel trims oscillating between -3.0 to + 3.0 which is perfect. Before that I Had one O2 sensor reading 2.3 volts the other 1.3 volts and one fuel trim going up to +37 while the other sat at +7 then the +7 went up to +37 then they both sat there for a couple of seconds before both dropping together down to +4 and sitting there. So weird I wondering if I have a bad earth somewhere or a faulty ecu In saying that I took it for a good drive for 55 ks and then topped up the fuel and it took roughly 6.5 liters,so thats about right I think. So the only changes since the new O2s (which made no difference) is the new CPS sensor and leaving the battery connected. The thing that gets me is if I unplug the CPS plug the forscan says CPS OK ?? Plug it in and it says Fault. I took the whole unit out last week With the original sensor And hooked it up to my multi meter and was getting a good pulse when i spun it with a cordless drill . I think ill try to get it back to the -3 +3 fuel trim and leave it alone and see what happens. When its right its not hunting at idle and smells pretty good in the exhaust so it now is capable of running correctly I've just got to keep it there. I might do a couple more vids for you guys to look at. I wonder If its all about turning of the battery switch after use thats causing problems. It also has gained its lost power and smoothness again,but its a little rough it idle Do these 200kw XR8 motors have a slight cam lope,I didn't think they did. Bret. |
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#54 | ||
Drive'n Cruise'n Live'n
Join Date: May 2013
Location: Western Sydney
Posts: 916
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My experience is they need a few hundred klm to re learn the Kams and they continue to improve over several weeks. My 220 idles with a slight cammy rumble, idles clean but with a slight shake after a long freeway trip. Cheers
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#55 | ||
FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Newcastle NSW
Posts: 7,890
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Fitted the new O2 sensors and cleaned the MAF today. While I had the intake snorkel off I noticed the sensor thats about 150mm before the throttle body was mounted horizontally when looking at the inside so i turned it 90 degrees so the air can flow through it. I imagine this is how it should be sitting?
Did the KAMS reset. Car now seems to run smoother and better throttle response with just steady town driving. Will see if the economy is any better over the next few weeks
__________________
T3 TL50 #147 Silhouette Auto ESS - Brembos - Last of 3 in T3 spec, only AUIII TL50 ever built -14.2 sec @ 98mph bog stock. Only customer ordered T3 TL50 built, only LWB sedan plated AUIII and the last performance enhanced LWB sedan built by Ford Aust. AUII Fairlane Ghia Sportsman 5.0L in Blue Pearl OWN THE ROAD |
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#56 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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Found the real problem-although the new CPS sensor seemed to help ( but still showing Fault on the Forscan when plugged in and OK when unplugged) work that one out !!
Blown Hego fuse!!! The O2s weren't heating up at low speed to idle I didn't even know the O2 heater circuit had a fuse till I studied the wiring for the O2s in the service manual. So it was right under my nose all the time All the trims are now oscillating between Negative 4% to- 4% positive so pretty close It makes sense since It was running rich after picking it up from the panel shop after a ton of bodywork (welding) was done I think that popped the fuse.......you live and learn!! So the moral to the story is if you have fuelling problems check the Hego fuse in the box under the bonnet. I can stamp on it in first and it lights em up like it used to and no more choking on unburnt fuel fumes,,,,,Hooray!! |
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#57 | ||
Regular Member
Join Date: May 2009
Posts: 241
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Thankyou thankyou thankyou, I have been chasing problems for 6 months, getting random codes on forescan, getting different results after replacing different parts and sensors, then finally, stumble across this thread and OMG, a simple fuse, I likewise wasn't aware it existed. Finally getting a chance to enjoy driving the old girl again
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#58 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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Yea Fordman.
After all the advice that got me nowhere and cost money it was so simple.Took me year to find it,by accident while looking at the wiring diagram. Now you've got it fixed make sure you change the fuel diluted oil and filter. |
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#59 | ||
Fordluva
Join Date: Dec 2010
Posts: 105
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So now its 2022 and the Capri is running rich at idle again.
Nowhere near as bad as before but fuel trims stay at 4% rich and dont oscillate. Checked the o2 fuse...all good,replaced the fuel filter and its fixed. Trims oscillate between -1 to +3 at idle Work that one out!! |
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