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Changing Spark Plugs


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#1 Jacques1997

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Posted 24 November 2008 - 01:45 AM

Just a very quick one.

Am I correct in thinking that the specified interval for replacing spark plugs for a 1.6 petrol engine is 25,000 miles or 2 years, whichever comes first?

If it is then I'm very happy as I won't have to mess with them until late next year :D

Thanks if you're able to confirm or correct this.

#2 wildbuddylolol

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Posted 24 November 2008 - 10:48 AM

Just a very quick one.

Am I correct in thinking that the specified interval for replacing spark plugs for a 1.6 petrol engine is 25,000 miles or 2 years, whichever comes first?

If it is then I'm very happy as I won't have to mess with them until late next year :D

Thanks if you're able to confirm or correct this.



it is 37500 miles when you change the spark plugs according to the haynes manual. Got mine to do next week.

Peter

#3 347andy

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Posted 24 November 2008 - 06:20 PM

Citroen say change them at 37500/3 years, but after they were replaced at this service on my Pic i will never leave them that long again, the difference was so noticable with new plugs ftted, the old ones were obviously well past their best !
No longer a Picasso owner. 09 Kia Cee'd SR-7

#4 Hawker

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Posted 24 November 2008 - 08:17 PM

my 2.0 HDI Xsara Pic is on a little under 37500 miles. I only bought it 2 weeks ago off a main dealer, and they put it through a service, but i very much doubt if they changed the plugs also, so i'm interested to find this out in this thread

is there a certain type of spark plug that is required (eg. iridium etc)
are any ones/make in particular that come recommended?

Edited by hawker, 24 November 2008 - 08:18 PM.

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My Other car is a 2002 Toyota Celica 190

#5 mcdig

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Posted 24 November 2008 - 08:22 PM

my 2.0 HDI Xsara Pic is on a little under 37500 miles. I only bought it 2 weeks ago off a main dealer, and they put it through a service, but i very much doubt if they changed the plugs also, so i'm interested to find this out in this thread

is there a certain type of spark plug that is required (eg. iridium etc)
are any ones/make in particular that come recommended?



They use special ultra high spec invisible ones on the HDI models, mucho pennies if you can even find a stockist.
I think the tool for removing them costs even more :P

Some people are like slinkies - not really good for anything but they bring a smile to your face when you push them down the stairs!


#6 Bornagainbiker

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Posted 24 November 2008 - 08:26 PM

my 2.0 HDI Xsara Pic is on a little under 37500 miles. I only bought it 2 weeks ago off a main dealer, and they put it through a service, but i very much doubt if they changed the plugs also, so i'm interested to find this out in this thread


A 2.0 HDI is a diesel, right?

Diesels don't have spark plugs - they have glow plugs, which are just used for starting the engine. You'd only replace these if they went wrong (i.e. vehicle doesn't start).

Current vehicles: 2004 Citroën Picasso 1.8 Desire (owned since 2008), 2004 Ford Fiesta 1.2 Finesse (owned since 2009)
Previous vehicles (in approx reverse order of ownership): Ford Galaxy (2000 1.9TDi), Rover 200 (1999 1.1), Toyota Carina E (1993 1.6), Toyota Previa (1992 2.4), Peugeot 309 (1990 1.3), Renault 5 (1990 1.1), Austin Montego (1986 1.6), Fiat Tempra (1992 1.8), Renault 5 (1989 1.2), Lada Riva (1986 1.5), Vauxhall Cavalier SRi (1983 1.8), Lada 1200 Estate (1984 1.2) - what a lot of cars!
Also owned the following bikes (reverse order): Yamaha Radian YX600 (1986), Honda CD175 (c.1970s), Yamaha YB100 (c.1980s), Honda C50 (c. 1980s)


Should probably change my forum name as I sold the Radian a while ago! Currently get my thrills co-driving a friend's 914.


#7 mcdig

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Posted 24 November 2008 - 08:30 PM

Spoilsport :P

Some people are like slinkies - not really good for anything but they bring a smile to your face when you push them down the stairs!


#8 Bornagainbiker

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Posted 24 November 2008 - 08:34 PM

Spoilsport :P


But I understood that if you do have spark plugs, only a left-handed spark-plug remover is suitable for the job :P

Current vehicles: 2004 Citroën Picasso 1.8 Desire (owned since 2008), 2004 Ford Fiesta 1.2 Finesse (owned since 2009)
Previous vehicles (in approx reverse order of ownership): Ford Galaxy (2000 1.9TDi), Rover 200 (1999 1.1), Toyota Carina E (1993 1.6), Toyota Previa (1992 2.4), Peugeot 309 (1990 1.3), Renault 5 (1990 1.1), Austin Montego (1986 1.6), Fiat Tempra (1992 1.8), Renault 5 (1989 1.2), Lada Riva (1986 1.5), Vauxhall Cavalier SRi (1983 1.8), Lada 1200 Estate (1984 1.2) - what a lot of cars!
Also owned the following bikes (reverse order): Yamaha Radian YX600 (1986), Honda CD175 (c.1970s), Yamaha YB100 (c.1980s), Honda C50 (c. 1980s)


Should probably change my forum name as I sold the Radian a while ago! Currently get my thrills co-driving a friend's 914.


#9 Hawker

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Posted 24 November 2008 - 09:20 PM

I'm still in Celica mode

:bhead:
2005 Xsara Picasso Desire 2.0 HDi, Iridis Purple
My Other car is a 2002 Toyota Celica 190

#10 Jacques1997

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Posted 24 November 2008 - 10:33 PM

Cheers for those replies.

I'm a bit surprised that Citroen say that 37,500 miles between changing plugs is OK, no wonder the performance drops off after that amount of driving!

My spark plugs will be 2 years old next summer but I'd guess will only have done about 18,000 miles maximum by then. They're the Bosch Yttrium single electrode as specified by Citroen and so far everything has run smoothly. Anyone know if it's worth changing them at 2 years old or would I be wasting my money?

#11 Teacherpete2

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Posted 25 November 2008 - 10:42 PM

The plugs in our 2001 (51 plate) 1.8 were changed after 2, 3 and 5 years! They're probably getting near doing again! I feel that if the car isn't running well, it's worth taking them out and having a look. Remember to give them a smear of copperslip when replacing them.

I seem to recall our mechanics telling me that you can't adjust the gaps on some plugs due to the electrode configuration. The car will fail to start without warning once the plug gap gets oversized...and you can guarantee it will be just when it is most inconvenient! :bhead: :bhead:

347andy
Citroen say change them at 37500/3 years, but after they were replaced at this service on my Pic i will never leave them that long again, the difference was so noticeable with new plugs fitted, the old ones were obviously well past their best !

Did you see Topgear with the R***ult Avantime a couple of weeks ago? They had to get the car around the track in some ludicrous time by tweaking it. They put it on a rolling road and found that it was significantly down on the manufacturer's quoted bhp; a simple service got them an extra 50 bhp back!!
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