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Citroen c3 1.4 16v hdi engine code 8hy non start

Posted By hairybabooon888 Thursday, June 07, 2012 7:56:48 PM
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hairybabooon888
 Posted Thursday, June 07, 2012 7:56:48 PM
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Hi all im new to the forum so if im doing anything wrong please let me know. We have a citroen c3 2004 1.4 hdi engine code 8hy that is a non start. engine turns over no problem ok but wont start. work for a family run peugeot garage so we have a fair bit of test equipment and knowledge on these motors, well you would think the 8hy engine is not used buy peugeot niether is the delphi managment system that it uses either. tryied testing using peugeot planet no faults recorded checking live data there was no fuel pressure being measured so carried out leak off test one injector put all its fuel back to return. got new injector from factors fitted now got fuel pressure but still wont start. checked timing spot on. have checked the wiring to cam sensor crank sensor fuel pressure sensor all correct. have also scoped the sensors and are also spot on. have checked all the wiring to injectors and the voltages out of ecu getting 2.8 volts to each injector. have also checked all the earths and feeds to the ecu and load tested the wiring as well. tryied easy start on the motor to make sure that it would actaully run. wasnt sure weather the injector would have to be coded and wasnt keen on have to transport it 30 mile to nearest citroen dealer so bought a copy of lexia and right enough it needed coding but still didnt help. but did confirm that the reading that we were seeing on planet were correct about 250bar on cranking. engine rpm present and well on niether of the systems does it tell you weather you have cam sync or not it is timed perfect and ive scoped the sensor . im pretty stuck and any help or input would be apperciated
Angus
 Posted Thursday, June 07, 2012 9:15:11 PM
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HB

Welcome to the forum - loads of detail is good, but a few paragraphs would make it easier to read.

Looking at it logically; you found a definite fault - a leaking injector dropping the rail pressure. So if all you've done is replace that injector - and now you have no injector pulse - then is that new injector shorting and upsetting all the others?

Replacement injectors should only be brand-new from the dealers - was this supposedly a 're-con' one? Will it run on three with the new injector unplugged?


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hairybabooon888
 Posted Friday, June 08, 2012 7:52:50 AM
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hi there thanks for the reply. yes do tend to get carried away with providing infomation just want people to know all the facts. The injector came from a motor factors and we had to give them the original so not sure if that means its a recon or new i will ask the company to verify. no have not tryied it with the new injector unplugged.

when checked all the injectors are getting 2.8 volts and have 0.5 ohm resistance across them all. both of these checks are correct according to bosch kts. as for scoping the injectors the bosch kts says that the test be done using an inductive amp clamp on on the wire to injector not sure if i need a bosch inductive amp clamp that will work with kts.

off work today so will get a chance tomorrow to carry out these checks
Tismot
 Posted Saturday, June 09, 2012 3:00:05 PM
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>>> as for scoping the injectors the bosch kts says that the test be done using an inductive amp clamp on on the wire to injector not sure if i need a bosch inductive amp clamp that will work with kts.<<<

The short answer is No you do not.

The benefit of using a Bosch Amps clamp is that it will automatically be recognised by the KTS/FSA and the amps scale will be set by the KTS/FSA

Any Amp clamp will do the job as long as you set the mv range to suit the clamps output.

Regards

Mark


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stevenlee
 Posted Thursday, December 27, 2012 4:12:44 PM
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Hello, got a c3 1.4 hdi 8v 2001 won,t start after fitting new head gasket 95% sure timeing correct, cam and crank in sync. fuel pessure 340 to 390 on cranking. wont start with easy start. was reading youre messeage from a few mounth ago and would be gratefull to know how u fixed you 1.4 hdi. tyred swaping injectors round and unpluging them, makes no difference, no attempt to fire.
Angus
 Posted Thursday, December 27, 2012 4:21:55 PM
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steven

You've tacked your problem on to a different engine - that will just cause confusion.

Start a new thread using the 'Add Topic' button and we can take it from there.


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Stuartspb
 Posted Saturday, March 02, 2013 5:50:45 AM
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Hi there I have citroen c3 hdi 8hy with the exact same faults and have done the same checks. Did you get yours sorted? If so what did you have to do in the end? Cheers stuary
Thema
 Posted Saturday, March 02, 2013 6:03:04 AM
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Exact same faults?

Then I have to give the exact same advice, where did the injector come from and was it new or re-con?

Also please start you're own thread, tacking onto old ones just causes confusion.
coupehdi
 Posted Monday, March 04, 2013 3:22:17 PM
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Hi guys, i have worked for Citroen for a good few years they can be a pain lol, it seems to mee that your fuel pressure is a bit too low, usually needs 300 or more to start, I know you will laugh but id try a fuel filter, ive had loads of those stupid filters blocking and bringing up faults and causing it to be low on power, id also check the fuel pipe below the airbox, airbox locating grommets fall out and airbox cuts a hole in the pipe causing an airleak and makes it a pig to start.

To the other fella who had his headgasket changed and it wouldnt start, id be near sure your hydraulic lifters arent yet refilled with oil it take absolutely ages on them its a nightmare, the easiest way (if its a manula) is to tow it slowly in gear.

Hope that helps
Tommy

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