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 Posted: Wed Jan 09, 2019 8:19 pm |
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Joined: Nov 09, 2011
Posts: 328
Trade Rating: 0
Location: Lower Slaughter
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The throttle pedal is electrical on the 1.4 hdi. I had a similar issue with mine and it turned out the pot in the pedal was dodgy and not reading the pedal was pressed. Just a warning though there are two different types of pedal. The earlier one is hard to get hold of. it was changed due to this issue. I think the newer one has an extra wire so it not changeable with the old one. The pedal is becoming hard to come by now. I paid £45 I think for mine for a piece of plastic with a pot in it. Just note though its a royal pain to change if you're not flexible,  take my word for it.
Other suggestion is the throttle position sensor.
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| 2003 206 1.4 HDi (3 Door) LX - Cypress Green - KQM
2003 206 SW 2.0 HDI Grey | |
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Posted: Sat Jan 19, 2019 7:20 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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Hi just an update; still occasionally doing it, much less in the cold weather. 100% temp related as only happens when warmed up i.e. Long journey. This pug has a fsh, had a full rail replacement a year or so ago with glowplugs too so i am hesitant to think thats a cause
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Posted: Sat Jan 19, 2019 7:21 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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| commandosqueak wrote: |
| The throttle pedal is electrical on the 1.4 hdi. I had a similar issue with mine and it turned out the pot in the pedal was dodgy and not reading the pedal was pressed. Just a warning though there are two different types of pedal. The earlier one is hard to get hold of. it was changed due to this issue. |
my 206 is a 06 plate
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Posted: Thu Jul 18, 2019 7:53 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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| wobblycat wrote: |
Having the same issue - found a dead glow plug and replaced it, other three are fine.
No clicking sound from glow plug relay when testing on PP2000.
Bought a replacement one and that also doesn't click.
There is power getting to the relay (tested with multi meter).
Not sure if this is even related to the problem. |
any luck?
I have been digging online for months off and off and last night I found a very interesting thread.
Identical problem on a fly by wire throttle diesel, different car (1.5dci Clio)
He had a Renault diag machine and managed to locate the cause his issue was a very slight varience in fuel pressure when warm on one of the injectors(very small leak on the seal perhaps). He changed his injector, problem gone.
Now he also mentioned a symptom I forgot. When the throttle is unresponsive,the revs are ever so slightly dipped (around 800-850 instead of 900). He theorised this meant the car didn't rev high enough (again only slightly below normal) and caused the computer to potentially enable a fail safe? Also when his car did resume normally, the fuel pressure rose.
Any ideas what the f*** is going on? Haha
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Posted: Thu Jul 25, 2019 8:33 pm |
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Joined: Nov 09, 2011
Posts: 328
Trade Rating: 0
Location: Lower Slaughter
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glow plugs are only used when its cold. It was over 30 degrees today safe to say they aint coming on. To the OP. you may not have a EML but may still be codes logged. Look on the members map for someone local with pp2000 to help you out. Worse case you can see whats going on and what sensors are doing
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| 2003 206 1.4 HDi (3 Door) LX - Cypress Green - KQM
2003 206 SW 2.0 HDI Grey | |
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Posted: Fri Jul 26, 2019 10:00 am |
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Joined: Jun 19, 2010
Posts: 1600
Trade Rating: +4
Location: South Bucks
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Unlikely Renault and Peugeot would use same system (Peugeot/Citroen share their 1.4Hdi engine with Ford). We have an 1.5dCi in family too and that has had some stalling issues due to glow plugs!! I replaced two .. AA diagosed it as high pressure fuel pump .. my diagnostic said glow plug resistor .. old fashioned multi-meter check showed to deal glow plugs
I had a glow plug resistor fail on my 1.4 Hdi. Didn't think it stopped it starting but did lose power .. but then found that was probably caused by the catalyst collapsing and blocking the exhaust!
Instead of being roughly the size of the cat enclosure in the exhaust downpipe, it was the shape of a large ball and rolling around. As it had one flat side, if if rolled the right way it let the exhaust through. But never when being chased uphill on a motorway by an HGV!
Needless to say it no longer exists .. must add that to the "to-do" list although it is passing MOTs ok without one.
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| Down to just the 1.4 HDi. Cayman Green 2.0i CC sold. | |
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Posted: Wed Jul 31, 2019 3:13 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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| commandosqueak wrote: |
| glow plugs are only used when its cold. It was over 30 degrees today safe to say they aint coming on. To the OP. you may not have a EML but may still be codes logged. Look on the members map for someone local with pp2000 to help you out. Worse case you can see whats going on and what sensors are doing |
nobody local and had no responses! I had tried already.
I wasn't implying Renault and Peugeot used the same system, rather another diesel fly-by-wire throttle with identical symptoms so it seemed relevant
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Posted: Thu Aug 01, 2019 10:40 pm |
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Joined: Jul 01, 2014
Posts: 14
Trade Rating: 0
Location: Midlandshire Near Coventry
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| commandosqueak wrote: |
| glow plugs are only used when its cold. It was over 30 degrees today safe to say they aint coming on. To the OP. you may not have a EML but may still be codes logged. Look on the members map for someone local with pp2000 to help you out. Worse case you can see whats going on and what sensors are doing |
In this instance this is an incorrect assumption...purely because the dv4 and dv6 hdi actually use the glow plugs as part of the fap emission system and subsequently are used during driving intermittently.
I have one of these as a daily driver for my wife and we bought it with problems with it dropping into 'limp' and unable to pull itself out of bed...the GP relay had been changed to no avail...and after the previous owner had given up spending money on it I bought it(initially to strip for spares). After a 'live' diagnostic, we changed the glow plugs themselves and hey presto the problem was gone.
I would just like to throw one more possibility into the mix which is a fairly simple but worthwhile check to carry out : Remove the air filter box at the back of the engine and thoroughly inspect the TWO hard plastic fuel pipes that run underneath it for chafing and cracks. This usually causes starting problems but recently at the garage we had one of these that was losing fuel pressure 'under load' initially but picked up again after a series of higher 'revs'. turned out a tiny crack on the bend had formed and we suspect that it was opening and closing with heat and/or the amount of pressure the pump was putting it under as the engine ran. Just a thought....
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| '51'206 Anti-stealth 2.0hdi rat. £30 tax! Yeah baby!
Matt black IS the new black...or it was when I did it in 2015...Maybe I should just fork out on a decent respray now...'53' 1.4hdi Storm grey...grrr it's certainly not a 2 litre.. | |
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Posted: Mon Aug 24, 2020 11:38 pm |
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Joined: Dec 05, 2010
Posts: 42
Trade Rating: 0
Location: wales
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Got the problem sorted - it was an ECU update from Peugeot.
Crazy.
Cost me £100 for an ‘inspection’ and then £100 for the update.
But all is working now as it should.
Incase anyone is interested, my throttle is the electric Bosch one part number 0280755078 - very hard to come by on eBay etc (has the letter D on the front - to represent right hand drive, non speed limiting pedal)
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