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[Engine] Rough idlle and smoke on cold start on 1.6 hdi Partner 2007
#21
(15-03-2018, 11:20 PM)jj9 Wrote:  Remove the glow plugs when the engine is hot, run the engine until the thermostat opens around 90 degrees.

Keep the socket square onto the plug and only make a small turn at a time then release the tension, proceed like this being very gentle and taking your time. 
The plugs may squeak and make a cracking noise with each small turn but just keep on with the small turn and release the tension method.

Occasionally you can screw the plug back in a turn or so.

The more the plug is removed the less tension you will need to apply to turn it.


When installing the new plugs make sure to lightly coat them in anti seize paste.

Do not over tighten the new plugs

.

I will try to take out them to see if i can finish with the problem.

Thanks to all
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#22
(16-03-2018, 12:14 AM)SergioFR Wrote:  
(15-03-2018, 11:20 PM)jj9 Wrote:  Remove the glow plugs when the engine is hot, run the engine until the thermostat opens around 90 degrees.

Keep the socket square onto the plug and only make a small turn at a time then release the tension, proceed like this being very gentle and taking your time. 
The plugs may squeak and make a cracking noise with each small turn but just keep on with the small turn and release the tension method.

Occasionally you can screw the plug back in a turn or so.

The more the plug is removed the less tension you will need to apply to turn it.


When installing the new plugs make sure to lightly coat them in anti seize paste.

Do not over tighten the new plugs

.

I will try to take out them to see if i can finish with the problem.

Thanks to all

Hi Sergio,

I am not entirely convinced that the glowplugs are the problem. As far as I understand, the glowplugs are really only on when the temp is quite low (say -2C). The rest of the time, they would not be even on, so it does not matter if they are functional or not.
Maybe my understanding is wrong and the glowplugs work most of the time on the 1.6HDi.

Cheers,
saskak
smile, you are alive!
Reply
#23
I wired an indicator light up to the glow plugs on my car so I could see their exact operation as the dashboard indicator is a bit vague, and there is a lot of rumours out there as to how & when they operate.


Ambient temperature 7°C or lower, glow plugs come on with ignition (pre heat) for 15 seconds then go off.

Ambient temperature above 7°C no pre heat.

Start engine from cold,  glow plugs come on and stay on for approx 3 minutes. (post heat)

Start engine when warm,  (coolant below 70°C )  post heat will operate but will be stopped as soon as the coolant reaches 70°C if sooner than the 3 minutes.

Start engine when hot,  (coolant 70°C or above) no pre heat or post heat.






Glow plugs may not be your problem, but you need to start ruling possibilities out as otherwise you will just go around in circles.


.
My vehicle .... 2006 (m59) Berlingo Multispace Desire - 1.6 HDI 92 
[-] The following 1 user says Thank You to jj9 for this post:
  • saskak
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#24
(16-03-2018, 03:32 PM)jj9 Wrote:  I wired an indicator light up to the glow plugs on my car so I could see their exact operation as the dashboard indicator is a bit vague, and there is a lot of rumours out there as to how & when they operate.


Ambient temperature 7°C or lower, glow plugs come on with ignition (pre heat) for 15 seconds then go off.

Ambient temperature above 7°C no pre heat.

Start engine from cold,  glow plugs come on and stay on for approx 3 minutes. (post heat)

Start engine when warm,  (coolant below 70°C )  post heat will operate but will be stopped as soon as the coolant reaches 70°C if sooner than the 3 minutes.

Start engine when hot,  (coolant 70°C or above) no pre heat or post heat.






Glow plugs may not be your problem, but you need to start ruling possibilities out as otherwise you will just go around in circles.


.

Wow! Many thanks indeed, more than appreciated. That is what I was looking for. My original assumption was quite wrong.
Many thanks again and great job :-)
smile, you are alive!
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#25
As jj9 says above but remember that a faulty thermostat sender/sensor can also stop the glow plugs operating.
2006 2.0Hdi Berlingo
[-] The following 1 user says Thank You to brodfather11 for this post:
  • saskak
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#26
HI JJ9,

One question, above 7ºC there is no pre-heat even at cold start? Or even with 20ºC at cold start the glow plugs work?

however is at 70ºC that the smoke and rough iddle stops.

but I have to do at least 3 things stet by step:
- Glow plugs
- EGR
- Cleaning of EGR pipe and air intake, replacing the gaskets
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#27
(22-03-2018, 07:06 PM)SergioFR Wrote:  HI JJ9,

One question, above 7ºC there is no pre-heat even at cold start? Or even with 20ºC at cold start the glow plugs work?

however is at 70ºC that the smoke and rough iddle stops.

but I have to do  at least 3 things stet by step:
- Glow plugs
- EGR
- Cleaning of EGR pipe and air intake, replacing the gaskets

Hi Sergio,

I do not think it is the EGR. I have a brand new EGR (<1 year) and also cleaned it 2-3 months ago. I also have something additional. When it is cold and I have just started going, sometimes the rpm fluctuate a bit, when having my foot on the gas pedal really steady (~1,800 or thereabouts). This is only when it is cold.

Cheers,
saskak
smile, you are alive!
[-] The following 1 user says Thank You to saskak for this post:
  • SergioFR
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#28
(22-03-2018, 07:06 PM)SergioFR Wrote:  HI JJ9,

One question, above 7ºC there is no pre-heat even at cold start?

Or even with 20ºC at cold start the glow plugs work?


No pre heat if temperature is above 7ºC  even on a cold start.

No pre heat if the temperature is 20ºC  but you will get the 3 minute timed period.


.
My vehicle .... 2006 (m59) Berlingo Multispace Desire - 1.6 HDI 92 
[-] The following 1 user says Thank You to jj9 for this post:
  • SergioFR
Reply
#29
Tkanks to all

Next time i serviced i will ckeck the plugs first is only thing i can do.

Now i have investigate were is coming the oil under the alternator.

Best regards
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