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Old 07-06-2003, 17:14   #1 (permalink)
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XF stuff

Hiyas again....more XF questions :)

Was checking the car's computer on the weekend and it was giving a fault code of "22". Looking up the fault code lists, this is apparently a fault with the MAP sensor. Trouble is, I have the '86 EFI 4.1 engine and it doesnt have a MAP sensor (???)... well I couldn't find one, and the Hayes manual didnt reference one either for the EFI. I cleared the codes and retested, but the "22" was still coming up. Could I be looking at the wrong code lists? I got them from the Auto EMF website - the Hayes manual didn't mention a code "22".

Where the hell on the wiring harness is the diagnostic connector for the computer???? I looked for ages and couldnt find it! I managed to test the computer anyway but I wasted a good hour....

After all this, I did have a win - got the car idling properly by checking all the vacuum hoses, esp. the thin, plastic ones that run off the vacuum vent and solenoid to the EGR valve, etc. So good to come to a stop at the lights and not have the car shudder to a halt.....
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Old 07-07-2003, 04:30   #2 (permalink)
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Re: XF stuff

Did you find a leak in a vacuum line?

My 88 XF Ghia doesn't have a MAP either - sound's like your source is confused.
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Old 07-07-2003, 16:24   #3 (permalink)
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Re: XF stuff

Dont think I found a leak - just made sure that the hoses were all seated properly and connected tight. I got another solenoid and vent and put them in but I dont think the originals were faulty anyway. Also made sure the oil dipstick was pushed all the way in - didnt know that it made that much difference!
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Old 07-07-2003, 16:38   #4 (permalink)
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Re: XF stuff

Quote:
Originally Posted by yeah right
Did you find a leak in a vacuum line?

My 88 XF Ghia doesn't have a MAP either - sound's like your source is confused.
Hey Yeah Right, u said u have an '88 XF.... I believe there is '88 XF's but they are very rare to find, coz they are built in the early '88....

So were did u get urs from?? If u dnt mind me askin........
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Old 07-07-2003, 20:55   #5 (permalink)
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Re: XF stuff

How do you check the codes exactly? I got a gregories here somewhere, just cant find it :(
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Old 07-07-2003, 23:15   #6 (permalink)
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Re: XF stuff

ok, i scaned the EFI diagnostic codes out of the ford book and code 22 isnot used on the EFI.

They are here. http://www.fordgallery.com/showphoto.php?photo=3517

now i know that this may seam to be a stupid question and i know that you stated that your car is EFI but are u sure that it isnt carbie with an EST computer? cos that is the only computer that i know of with the XF's that gives out that code.

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Old 07-08-2003, 08:04   #7 (permalink)
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Re: XF stuff

Cheers yellowxf. Stupid question, but you say they are EFI codes, are they the same for a carby xf?

and how do you get the codes, where do you hook up a multimeter to.. is it somewhere under the bonnet or at the computer under the passenger side kick pannel?
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Last edited by XF Falcon; 07-08-2003 at 08:07.
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Old 07-09-2003, 01:55   #8 (permalink)
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Re: XF stuff

XF Falcon, here are the codes for the carby XF with EST. never actually tried this though but scanned outa the book.

Fault code
MAP Sensor Fault: 22
ECT Sensor Fault: 21
TPS Open when
should be closed: 68
TPS closed when
should be open: 58
Car is running ok
no faults: 11
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Old 07-09-2003, 02:00   #9 (permalink)
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Re: XF stuff

http://www.fordgallery.com/showphoto...t=1&thecat=500

The scan outa da book :s6:
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Old 07-09-2003, 02:19   #10 (permalink)
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Re: XF stuff

Cheers mate, much appreciated!
Gonna try this out tomorrow and see if anything comes up.
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