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 Posted: Sat Nov 05, 2011 8:37 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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Model is 2007 1.4i at 50000Km.
When it's cold it fumbles at start-up (like the revs drop slightly then pick-up) or the revs will drop
so much that it reaches zero and will not start.
Another go is then required and it will start, albeit with some hesitation (revs drop).
Pedal is not pressed and have a look my previous thread here regarding this: www.206info.co.uk/Foru...art=0.html
Before people start yelling ICV, it has a fully electric intake and accelerator pedal and therefore no ICV to my knowledge.
Checked with a decent diagnostics tool and engine temp sensor seems to be fine, agreeing with the Air-intake temp sensor when all is cold.
Sparks, Air filter, oil, everything servicable is new and mint.
Any help would be very much appreciated because it seems to be slowly getting worse
(weather colder? Don't know, it was doing it in the summer with 35 C)
Cheers.
Update: For solution go to page 3.
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Last edited by V9977 on Fri Nov 11, 2011 10:11 am; edited 2 times in total
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Posted: Sat Nov 05, 2011 8:45 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Might seem a bit obvious but you tested the battery and stater motor?
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Posted: Sat Nov 05, 2011 8:46 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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| Lee wrote: |
| Might seem a bit obvious but you tested the battery and stater motor? |
They are fine. (New VARTA Blue and alternator is fine.)
Earth straps OK too.
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Sat Nov 05, 2011 9:03 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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Is it only happen when cold or first start in the day?
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Posted: Sat Nov 05, 2011 9:12 am |
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Joined: May 09, 2011
Posts: 44
Trade Rating: +1
Location: Athens, Greece
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Hello,
please give us a hand with this, as it's an issue.
Any help will be appreciated.
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| 1.4i, 2007, TU3A, 5-door, Moonstone | |
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Posted: Sat Nov 05, 2011 9:18 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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| Seabook wrote: |
| Is it only happen when cold or first start in the day? |
When the engine hasn't run for a good amount of time.
Could be doing it in the afternoon even though was running in the morning.
So when cold I think.
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Sat Nov 05, 2011 9:20 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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| V9977 wrote: |
| Seabook wrote: |
| Is it only happen when cold or first start in the day? |
When the engine hasn't run for a good amount of time.
Could be doing it in the afternoon even though was running in the morning.
So when cold I think. |
by any chances there is air in the fuel line so that it doesn't start/ idle properly?
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Posted: Sat Nov 05, 2011 9:23 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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| Seabook wrote: |
| V9977 wrote: |
| Seabook wrote: |
| Is it only happen when cold or first start in the day? |
When the engine hasn't run for a good amount of time.
Could be doing it in the afternoon even though was running in the morning.
So when cold I think. |
by any chances there is air in the fuel line so that it doesn't start/ idle properly? |
Idles fine once running, including warm-up period (1000 rpm) etc.
It's like a mixture issue OR butterfly not opening enough?
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Sat Nov 05, 2011 9:33 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Fuel pressure?
Tried turning to ignition, waiting 5 seconds and then cranking?
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Posted: Sat Nov 05, 2011 9:36 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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did it misfire at all?
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Posted: Sat Nov 05, 2011 9:37 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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| Lee wrote: |
Fuel pressure?
Tried turning to ignition, waiting 5 seconds and then cranking? |
Hmm. Not tried.
Any pointers to look at with the diagnostics tool in 'Live data' mode?
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Sat Nov 05, 2011 9:37 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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| Seabook wrote: |
| did it misfire at all? |
Nope. No codes either.
Why?
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Sat Nov 05, 2011 9:44 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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| V9977 wrote: |
| Seabook wrote: |
| did it misfire at all? |
Nope. No codes either.
Why? |
i have a feeling that the engine is running lean (not enough fuel); and it will be more problematic during cold started.
hot engine are less affected but it might misfire depends on how lean is the mixture.
and in fact, it didn't cut out once the engine is running after a while i would have though there is nothing wrong with the throttle body.
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Last edited by Seabook on Sat Nov 05, 2011 9:45 am; edited 1 time in total
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Posted: Sat Nov 05, 2011 9:44 am |
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Joined: Feb 07, 2010
Posts: 3085
Trade Rating: +12
Location: Essex
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The fact that it is fine when warm suggests it is a fuelling issue, My thoughts are that it is not adding the extra choke fuel on initial start up. When you say the ETS is ok do you mean you have replaced it or just that there are no fault codes?
I would clean out your throttle body, checking for corrosion or deposits. If the answer to the above question is "no codes" then get a new ETS. I would imagine this is not hard to start from hot?
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Posted: Sat Nov 05, 2011 9:47 am |
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Joined: Feb 07, 2010
Posts: 13077
Trade Rating: +65
Location: England
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Fuel pressure 3.5bar + or - 0.5bar
PSA Service Bulletin
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