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mondeo tdci not start

Posted By 53ste 7/2/2009 9:49:11 AM
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mondeo tdci not start

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53ste
Posted 7/2/2009 9:49:11 AM
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hi had this mondeo come in today customer drove in reporting black smoke all the time and oil level was 2.5 litre over the level yesturday aa drained some out? i came to drive it in and now it does not start scanned with launch fault codes show p2291 p0251 . any ideas ?
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Angus
Posted 7/2/2009 10:59:03 AM
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ste

Engine code and year might help.

Injector[s] failed?

What's the fuel pressure cranking?

.
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53ste
Posted 7/2/2009 12:03:09 PM
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hi its a 2004 not sure where the engine code is on these

looked on launch fuel pressure said 600 with ignition on then 1.2 when cranking?

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53ste
Posted 7/2/2009 12:04:01 PM
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would i get a code if injectors had failed?
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Angus
Posted 7/2/2009 12:13:35 PM
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ste

You'd often get that P0251 code.

Do a leak-off test - I'm not a betting man, but I'd be surprised if at least two aren't gone.

The oil dilution would fit with injector failure too. [Don't fit re-cons BTW.]

.
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jimfree
Posted 7/2/2009 12:27:43 PM
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Angus (02/07/2009)
ste


The oil dilution would fit with injector failure too. [Don't fit re-cons BTW.]

have you had issues with re-con ones for these(not had to do the injectors for a while on one of these and were only new then )

?
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Angus
Posted 7/2/2009 1:33:34 PM
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jim

I'm getting pretty jaded about common-rail re-cons in general. I'm recommending outright new only from now on.

Re-con Delphi ones never seemed to work successfully [but you couldn't convince a taxi driver...] and I've now seen two nightmare [non-Piezo] HDi ones in the last month - one on a 2.2 Relay and one on a 2.8 Iveco.

Both had excess[!!] leak-off and non-start; but the re-con replacements rattled and smoked their heads off - even though the supplier swore blind that there was nothing wrong with them on test. [New dealer ones cured both.]

.
Edited 7/2/2009 1:35:13 PM by Angus
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53ste
Posted 7/2/2009 3:03:33 PM
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ok so we think it is over fueling possibly an injector then running down the bores filling the sump up? i have a launch and see you can code the injectors with this but not had to do it yet? how easy or hard is it? how would you do the leak off check you mentioned? i get what your saying about using gen parts had alot of problems too. cheers for the help
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jimfree
Posted 7/3/2009 1:44:47 AM
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leak of test is where you remove the leak back pipe and replace it with one attached to a messuring tube and messuse the amount of fuel leakin back on cramk for each injector
you can get cheap kits now

?
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