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Post by ksschofield on Mar 24, 2015 22:04:04 GMT 1
Mondeo started to severely miss fire last night so fitted new injector to cylinder 1 and coded it in now it is throwing up fault code p2291. Will turn over but is very sluggish even with jump leads and there is no fuel coming from fuel rail when cranking over
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Post by Karl on Mar 24, 2015 22:12:30 GMT 1
Mondeo started to severely miss fire last night so fitted new injector to cylinder 1 and coded it in now it is throwing up fault code p2291. Will turn over but is very sluggish even with jump leads and there is no fuel coming from fuel rail when cranking over Q1 how did you determine cylinder 1 injector was faulty Q2 how did you check for low fuel rail pressure |
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Post by Karl on Mar 24, 2015 22:14:18 GMT 1
Was the "new" injector a so called recon item ?
Have bleed the fuel system?
Open up the filter and check for swarf ?
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Post by ksschofield on Mar 25, 2015 15:00:58 GMT 1
Done leak off test bottle 1 filled up in about 20 seconds compared to other 3 in a minute or so. And I know there is no fuel getting through as I have slackened each injector feed pipe from the rail one by one and cranked engine and there is no fuel feeding any of the injectors
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Post by ksschofield on Mar 25, 2015 15:03:10 GMT 1
No its brand new injector from delphi. I'm a mechanic I have learnt from doing a lot of mondeo transits and torneos not to use reconed injectors.
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Post by Karl on Mar 25, 2015 17:19:49 GMT 1
I will ask again
Have you bleed the system ? Tried running a separate supply ? Live data readings? Cranking speed ?
Then you should realise loosening high pressure pipes like that is dangerous and those pipes need replacement now
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Post by Monkey on Mar 25, 2015 20:01:56 GMT 1
As you have a fault code I presume you can obtain some live data such as fuel rail pressure? Or if not, what's the voltage of the rail pressure sensor reference wire when cranking?
Cracking the high pressure pipes off isn't the way to do it.
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Post by Deleted on Mar 25, 2015 21:50:08 GMT 1
No its brand new injector from delphi. I'm a mechanic I have learnt from doing a lot of mondeo transits and torneos not to use reconed injectors. i know i shouldn't but this is a contradiction ,............ did i spell it right ?  |
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Post by Noberator on Mar 25, 2015 21:57:49 GMT 1
No its brand new injector from delphi. I'm a mechanic I have learnt from doing a lot of mondeo transits and torneos not to use reconed injectors. i know i shouldn't but this is a contradiction ,............ ? Yes Mac you did spell it right.   |
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Post by Deleted on Mar 25, 2015 22:10:40 GMT 1
i know i shouldn't but this is a contradiction ,............ ? Yes Mac you did spell it right. ..... there's always one.. |
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Post by Noberator on Mar 25, 2015 22:22:42 GMT 1
Yes Mac you did spell it right. ..... there's always one..  |
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Post by ksschofield on Mar 27, 2015 15:07:12 GMT 1
No pressure from high pressure feed at all changed fuel metering valve on pump no difference going to just get my head down and change pump!! Wish me luck!
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Post by Deleted on Mar 27, 2015 20:38:03 GMT 1
At no point have you answered KarlB about priming the system ,this is a must on these including the pump , how do you expect any help here !!!
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Post by Monkey on Mar 27, 2015 20:59:36 GMT 1
I've seen numerous people change high pressure pumps, for no fuel pressure at cranking, when all the pump is being fed is air!
Unless the pump has a good low pressure supply of fuel it ain't going to produce nothing.
It's the very first thing I do for a diesel non start with fuel pressure issues..
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