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Discussion Starter #1
I had my glow plugs changed a few months back. Only got 3 of them done as the fourth one broke when trying to remove.

Starting to frustrate me now that winter is coming as car will not start easily in the morning and can be smokey.

Is this an expensive job, can it be easily sorted...?
 
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As far as i know the HDI's dont use plugs for starting unless its minus stupid amounts so i wouldnt think thats the starting issue

Mines the same, as it gets colder the crank time is longer, followed by white smoke on start

I've always just put it down to it drawing air in somewhere, could be wrong, definately not a plug issue though!
 
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I've had a new coolant sensor in my glovebox since... 2009, keep saying i'll fit it every year when the slow starting occurs but never get round to it even though its a simple swap!

I'm going to get my arse in gear this time and do it! :lol:
 

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Discussion Starter #5
Car starts fine but stutters out after a few seconds. Need to rev to keep engine going. Def a glow plug issue.

So are we talking £££ for head removal..
 
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Reference for anyone else with GP issues.. (could still be a coolant sensor daf)


PRE-HEATING

As soon as ignition is switched on: The engine management control unit supplies the glow plugs and controls the lighting of the warning light on the instrument panel, depending on the coolant temperature.

NOTE : The warning light on the instrument panel only comes on during the pre-heating phase.


Coolant Temperature ... Approx Pre-Heating Time

-30°C ... 20 seconds
-10°C ... 5 seconds
0°C ... 0.5 seconds
+18°C ... 0 seconds (inoperative, in effect)

If the starter is not operated, when the warning light goes out, the glow plugs remain supplied for a maximum of 10 seconds.

During the starting phase, the glow plugs are supplied under the following conditions :

* The coolant temperature is below 20 degrees C
* The engine runs at more than 70 rpm for 0.2 second(s)


POST HEATING

Post-heating consists of prolonging the operation of the glow plugs for a maximum of 60 seconds from the end of the starting phase .

Parameters which will interrupt post-heating :

* Coolant temperature greater than 20 degrees C
* Flow injected greater than 35 mm3
* Engine speed above 2000 rpm



Also when you say the 4th one broke, how do you mean? has it threaded or has it actually snapped off?
 

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Discussion Starter #7
Im not too sure. Need to check with mechanic, I think he said the head broke off when trying to remove it.

My injectors were bad at the time and he was doing an injector leak off test. I had just done a scan with planet and had seen there was a glow plug fault.

So I thought I would sort glow plugs out at same time.

I think he said number 2 past crankshaft pulley, does that sound right...?
 

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expensive price for DIY but Sealey have introduced a tool kit which allows removal of broken glowplugs without removing head.

Maybe a local garage has one which should make it a lot cheaper than head removal.

One of the car mags i read had an article about a mobile guy who could remove them but cant find it
 

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Discussion Starter #10
Its getting the right sealey tool set for the size of glow plugs on my car. Who knows it could be the glow plug relay or the coolant sensor like Stubbo mentioned.

The glow plug that has broke, can it be tested without removing it
 

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If the head has broken off the glowplug it is 100% U/S as the electrical connector is on the head part of the glowplug
 
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Not sure where you are up to on this daf, but here's my recent goings on..

The bleed nipple on my thermo housing was very nicely sheared off by the HDI cover that had come loose (what a stupid design) and the resulting leak killed my temp sensor

So i replaced thermo housing, thermostat, and chucked in my spare temp sensor... lo and behold i now have no starting issues, no white smoke, no bladder shaking idle, nothing!!

3 years i've had that sodding thing stored away, if only i'd known it'd cure all!!

I'm not saying it will fix all your stuff, but an accurate coolant reading obviously plays a big part in proper engine operation, i honestly can't believe the difference in mine now, hoping it also gives me better mpg but thats wishful thinking :lol:


edit: planet will only show the reading of the coolant sensor, wont tell you if it is in fault or not as its only a simple sensor, you can grab its reading off planet and measure against actual coolant temp with a thermometer to find out for certain!
 

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Discussion Starter #13
Nice work Stubbo. My mechanic has car at minute so hopefully he tells me today that its what you say.....:thumb:
 

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Discussion Starter #15
Temp probe, its inside one of your wing mirrors. Mines was playing up too but soon found out it was set to fahrenheit...
 

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Discussion Starter #16
Mechanic says it is def not glow plugs or coolant sensor. The car turns over fine, it stutters out after a few seconds.

Three of the injectors are screwed as had an injector leak off test done with another mechanic.

So I'd say they are likely the cause but just not too sure on what to do about them.

Should I get them removed and have them reconditioned or buy a second hand set.

This seller has quoted £148 per injector, do not know much about them but they are new.... Still waiting on stock though, thats why price is so high

FAI INJECTOR RC892960P TO FIT CITROEN C2 1.4 03-09 OE QUALITY | eBay

Do injectors tend to be faulty and need replaced or does the ultrasonic cleaning and reconditioning that injector specialists offer do the trick...?

Im getting 53mpg at the minute with 3 really bad injectors, Im thinking things could be much better if I get the injectors sorted.
 
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