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#106 Stroller133

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  • Ford Model: Mk1.5 Focus 2.0 Ghia Estate 52reg
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Posted 15 May 2013 - 05:19 PM

Hi

 

I think I have a cooling problem with my 2003 Focus 2.0 Ghia Estate.  Using this test menu on my car there are 2 temperature parameters.  The first one is in the format XXXXC and the second one is XXXX.C.

 

The first one is as low as -4C when the engine is cold and raises up to about 85C, at which point i bottle it and turn off engine as it seems much hotter than this and the other week had steam coming from under the bonnet!  In normal free-flowing driving it varies from 65-81C.  This doesn't seem right.  The gauge will register halfway when the temp reaches 80, but below this moves down to below a quarter as the temp falls down to 65C.  When the the steam was escaping the guage was normal with no fan cutting in. If on tickover the temp will keep rising to 80ish (then I turn off), but will fall if A/C is turned on.

 

The second temp seems higher - 20.C when cold and rises to 99.C, however the number is sometime not displayed correctly for example it may go 073.C then 07C.C etc.  Also when it goes above 99.C it change to letter such as A0A7.C. If this should be 101.C for example and I wonder if that is why the fans will not cut in.

 

Can anyone offer any insight into what the two temps refer to and why the second one is not always displayed numerically and whether this might be what is affecting the guage and the lack of cooling fans. Both these guages track each other, when the first one goes above 80C the second one passes 99.C and change to numbers, if the first one cools to the 60s then the second one cool to the 80s.  they also both seem to be able to drop by 15/20 degree in only a few seconds - this seem unlikley to me.

 

Thanks



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#107 sas

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Posted 29 November 2013 - 07:44 PM

how can you do this test if the engine is not running 



#108 Stoney871

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Posted 29 November 2013 - 09:39 PM

You can't.
The engine needs to be running for the sensors to be active.
Only way with the engine off is via OBD with ignition at second notch.

#109 sas

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Posted 30 November 2013 - 11:28 AM

i have a OBD11/EOBD code reader is that ok thx 



#110 jeebowhite

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Posted 02 December 2013 - 02:13 PM

You can access test mode with the engine off (or at least I can on my car) but as Clive said, the sensors wont be reporting as active.

 

The OBDII / EOBD Code reader should be fine.



#111 sas

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Posted 02 December 2013 - 04:29 PM

got car running now put  in OBDII / EOBD Code reader it reads the third of the way and says waiting for car to respond ten minuites later it is still in the sAME PLACE put on a renault megane it works fine thanks for your help   peter



#112 jeebowhite

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Posted 02 December 2013 - 05:37 PM

could be you have the OBDI protocol and not the OBDII so it cant communicate properly...



#113 sas

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Posted 02 December 2013 - 06:08 PM

I have a OBD11/EOBD CODE READER model vs8 700 it says in manual (the VS8 7000 OBD11/EOBD code reader is specially designed to work with all EOBD complient veichles including those equipped with the next generation protocall controlled area network ( CAN )   thx peter          I have just tryed it on my daughters ford fiesta 04 and worked perfectly 



#114 jeebowhite

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Posted 02 December 2013 - 09:40 PM

Yeah, EOBD is the standard from 2004 onwards. its the OBDII protocol's alias. Because it wasnt standard until 2003 for petrol and 2004 for diesel, all cars manufactured before that time, have a chance that they are OBDII standard supporting CAN bus, but the older cards that do have OBD are OBDI compliant not the OBDII standard.



#115 sas

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Posted 04 December 2013 - 01:00 PM

ok thx



#116 Dazbo85

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Posted 04 December 2013 - 06:56 PM

I've just done it on my c-max. I've got dtc code d900
Any ideas?


Focus C-Max 2004 1.6 TDCI Zetec

#117 jeebowhite

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Posted 04 December 2013 - 08:49 PM

D900 is a general Can Bus Communication Failure.

 

its basically where some one sensor or wiring short means that something isnt happy. I am working to narrow down the issue on my car...



#118 Dazbo85

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Posted 04 December 2013 - 09:56 PM

My reverse lights don't work so do you think it could mean the switch on the gearbox maybe?


Focus C-Max 2004 1.6 TDCI Zetec

#119 jeebowhite

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Posted 04 December 2013 - 10:10 PM

Its a good place to look, but its unlikely. Mine seems to be associated with he double locking.



#120 Dazbo85

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Posted 04 December 2013 - 10:14 PM

Thanks for the reply. That's just something to add to the todo list :/


Focus C-Max 2004 1.6 TDCI Zetec

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