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        General >> Problems >> sudden loss of power
        
(Message started by: shaun on May 16^th, 2008, 12:08pm)

Title: sudden loss of power
Post by shaun on May 16^th, 2008, 12:08pm

hi all driving my car the other day i had only done 18 miles then i noticed it wouldnt kick down properley when i put my foot down hard ,it was hesatating,
went on a bit further ,it got worse i eased off the power then put my foot down then it cut out ,pannic ,,i was only dowing 25mph but on a ring road island knocked it into N re,started it no probs ,then back into D away we go .on my way back after about 20miles going round the motoway island i put my foot down no power flat as a f..t (it felt like it would not want to go) eased off the accelator then put it back down fine. kick down fine,help please ,,,,, :o

Title: Re: sudden loss of power
Post by Scorpio_Mike on May 16^th, 2008, 1:19pm

Check the MAF is clean.

Title: Re: sudden loss of power
Post by Snoopy on May 16^th, 2008, 1:48pm

Could be that the cat has broken up and blocked the exhaust!

Title: Re: sudden loss of power
Post by Tons_of_fun on May 16^th, 2008, 4:52pm

Fuel filter ? ? .Just out of curiosity when it happens does the winter setting mode button light up on your gearbox ? ?.My old 2.0ltr used to do something similar & everytime it went flat ,the gearbox had switched itself over to winter mode :o :o.Never got to the bottom of that one as it was nicked shortly afterwards :'( :'( :'(

Title: Re: sudden loss of power
Post by TiberiuS on May 16^th, 2008, 6:20pm

Sounds like a fuel issue, could be the little diaphragm in the FPR not opening properly when the revs go up.

Or fuel filter like Tonnes mentioned ::)

Pumps can sometimes drop speed when the commutator and bearings get worn but they normally die completely and one day it just won't start, been there ;)

Title: Re: sudden loss of power
Post by Kjetil S on May 17^th, 2008, 2:49am

What engine is it? A broken coil pack can seriously cut down on available engine torque, but that problem is afaik usually on the 16v's.

Title: Re: sudden loss of power
Post by jonnycab on May 17^th, 2008, 2:55am

Have you checked the fuel pump relay ?......

Also check that the small black lead that goes on the battery negative is on nice & tight....this can play havoc if it's slightly loose :)

HTH :)

Title: Re: sudden loss of power
Post by shaun on May 17^th, 2008, 10:55am

gowing out side to change cat, fule filter ,fpr , fule pump relay, coil packs ,and check battery leads ,but before all that obd2 reading on laptop ,thanks will keep you informed.. :P

Title: Re: sudden loss of power
Post by shaun on May 17^th, 2008, 11:04am

:D code po102 :o scorpio mike got it right im gowing to change that too

Title: Re: sudden loss of power
Post by Tons_of_fun on May 17^th, 2008, 11:05am

Hopr you get it sorted soon m8 ;)

Title: Re: sudden loss of power
Post by shaun on May 17^th, 2008, 9:59pm

think its done the job changed ,maf, fule rale with fpr,fule filter ,(even tho it was only 6 mounths old)air filter(only 3 mounths old) done 20 miles no probs still gowing to change coil packs and fule pump relay and cat next week all in the boot just in case fingers x ;D ;D ;D