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pocket rocket



Location : Essex
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PostSubject: sluggish cooper s ,    sluggish cooper s ,  Empty30th March 2013, 10:16

Hiya , just a quick ?, has anybody used and got a result from one of these fuel treatment's for injection system . My pocket rocket has developed a miss fire at top end of rev range , but does power through it , I put morrissons fuel in it last Sunday and problem has developed since then , normally use shell or momentum fuel was desperate,. I'm hoping its just the fuel and a flush with a treatment will cure it , runs sweet in lower rev range.
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Moon

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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty30th March 2013, 10:39

Sounds like it could just be the fuel. I've never tried fuel treatment, but I've heard it's money for old rope really - a motorsport engineer explained it all to me but it went in one ear and out the other!

Is your car an r53 or r56?
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Mackem13
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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty30th March 2013, 10:39

Never actually used one, but I know people that have and the results we mixed. Personally I would run the fuel down as low as you dare and then refill with Shell V power before you do anything else to see if that cures it. I only used shell in my cooper s when i had it and have carried that on in my JCW
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pocket rocket



Location : Essex
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PostSubject: sluggish cooper s ,    sluggish cooper s ,  Empty30th March 2013, 11:20

It's a 04 , 53 , moon , . Never missed a beat since I've had it , so just hoping its fuel .
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jack_st

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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty31st March 2013, 10:17

Dirty fuel. Dont run it to empty because there might be dirt at the bottom of the tank. Then put some decent fuel in and see what happens. Might be worth cleaning the plugs aswell so theres a better spark.
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pocket rocket



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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty31st March 2013, 10:37

Hiya jack , cheer's , just about to go and brim it with shell whoosh whoosh grade petrol and see what happens . Think I met you at a Rollin road day near camberly a couple years ago , think you was doing photo's . You also run a cosworth I recall . I turned up in a red cooper s with viper stripe's .
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jack_st

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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty31st March 2013, 14:21

Alright mate yes i rember Smile if it still does it the fuel filter might be dirty. I put tescos fuel in my old car and it did the same thing and the garage found grit in the tank. Good luck
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pocket rocket



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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty31st March 2013, 14:29

£62.00 of shell whoosh fuel , seems a bit better , jack you mentioned a fuel filter, where about's is that situated .
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pocket rocket



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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty6th April 2013, 18:45

Hiya peep's , my sluggish cooper s just got worse , not used it for a week been away working , driving home from works depot today , drove the car this afternoon, took it passed 4500rpm in 3rd and 4th , just to see if the missfire still occurring , after filling it with shell , last Sunday . Started to missfire and engine light came on , also the traction control light came on , stopped the car and switched off , restarted and car runs sweet , but engine light says on , traction controll light now out , and car drives ok if you poodle about, once you push it ,it miss fires, and will run lumpy until you turn off car and restart, any ideas , thought it was fuel last week , but not so sure now , I've ordered new plugs and leads from gtt's , but they not arriving till Tuesday.
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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty6th April 2013, 19:01

I would think the coil pack is failing underload. If budget can stretch to it I would put a new coil pack on the same time you change the plugs and leads. Would be shocked if doing all three things didn't fix it. (Engine light may need to be reset after to get rid of the light)

Will

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pocket rocket



Location : Essex
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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty6th April 2013, 19:07

It's got a 70,000 k coil pack , fitted , supplied by gtt tuning in 2008 , to be honest I was only putting the plugs and leads on it just for service Sake ,
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pocket rocket



Location : Essex
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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty6th April 2013, 19:41

Sorry , I meant 40,000 volt , coil pack , I think they fit the 70,000 volt coil pack to the all electric mini , ha ha, , thanks for your help will , strangley enough at one point the engine light went out after leaving the car , for a while and then re starting it , but came on again once i opened it up again ,
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pocket rocket



Location : Essex
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Join date : 2013-03-26
Posts : 176
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PostSubject: Re: sluggish cooper s ,    sluggish cooper s ,  Empty13th April 2013, 14:54

Hiya all , just an update the Pocket rocket , firing on all cylinders again , removed intercooler to get to plugs , removed: plug caps only to find number 2 plug cap all soooted up , the plug loose , fearing the worst thinkin head now got to come off , cleaned out plug hole fitted new plug and low and behold it tightened up , thank you Lord . Set of new leads refit cooler and road test , sorted , thanks for your input nice to know people willing to help in ya hour of need . Very Happy
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