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brad17djr
Fordmods Stock as a Rock
Age:19
Posts: 107
Joined: 05 Sep 2007
Location: blue mountains/Oakhurst NSW, Australia
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 Posted: Tue Mar 25, 2008 4:43 pm Post subject: why is my car running like a nugget? |
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hey can any 1 help me here its a tricky 1
well i got a el xr6 and at idle it has a slight miss in it and if u start it after it's been sitting for a wile it coughs and splutters when u go for the go pedal then clears up again also when u put ur foot on the brake's the revs drop down heaps and it feels like it's stalling it's realy pissing me off i can't find it. its got a chip in it and it has to run on 98 unleaded but i don't think it's fuel quality i've dun leads and plugs and gave the injectors a clean and the throttle body but still the same it's got me stumped
thanks fellas |
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SgtBourne
Fordmods - Getting Side Ways
Age:21
Posts: 674
Joined: 01 Sep 2007
Location: sydney NSW, Australia
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| Posted: Tue Mar 25, 2008 6:11 pm Post subject: |
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| vaccum leak? ISC dead? |
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brad17djr
Fordmods Stock as a Rock
Age:19
Posts: 107
Joined: 05 Sep 2007
Location: blue mountains/Oakhurst NSW, Australia
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| Posted: Tue Mar 25, 2008 6:13 pm Post subject: |
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| yer how can i find out tho just spray water onto the manifold and vac lines? and whats ISC? |
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fiftyone
Fordmods - Getting Side Ways
Age:21
Posts: 2038
Joined: 22 May 2006
Location: Ballarat VIC, Australia
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| Posted: Tue Mar 25, 2008 7:04 pm Post subject: |
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| clean the throttle body |
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brad17djr
Fordmods Stock as a Rock
Age:19
Posts: 107
Joined: 05 Sep 2007
Location: blue mountains/Oakhurst NSW, Australia
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| Posted: Tue Mar 25, 2008 7:52 pm Post subject: |
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| yer already do that a fair bit she's as clean as a wistle |
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mystro
Fordmods Parts Gopher
Posts: 69
Joined: 14 Oct 2007
Location: newcastle NSW, Australia
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| Posted: Wed Mar 26, 2008 3:06 pm Post subject: |
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| mine ran like a turd once missin and crap turned out to be the master cylinder of all things |
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redxtclone
Fordmods Oompa Loompa
Posts: 25
Joined: 22 Oct 2006
Location: sydney NSW, Australia
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| Posted: Wed Mar 26, 2008 5:08 pm Post subject: |
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| could have dirty leads and plugs, missing a spark. |
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brad17djr
Fordmods Stock as a Rock
Age:19
Posts: 107
Joined: 05 Sep 2007
Location: blue mountains/Oakhurst NSW, Australia
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| Posted: Wed Mar 26, 2008 6:14 pm Post subject: |
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| yer i've herd that it could be the master cylinder how much would the be and how do u tell for shure? i'l have to pull the leads off and give them a clean and check the plugs |
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pommie
Fordmods Newbie
Posts: 9
Joined: 01 Feb 2008
Location: perth WA, Australia
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| Posted: Thu Mar 27, 2008 6:23 pm Post subject: |
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hi i have the same problem!
i have replaced fuel pressure reg,isc, tps, throttle body,new head,iridium plugs and leads
so i too am lost gonna try a new map sensor , new injectors and oxygen sensor and hope for the best |
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brad17djr
Fordmods Stock as a Rock
Age:19
Posts: 107
Joined: 05 Sep 2007
Location: blue mountains/Oakhurst NSW, Australia
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| Posted: Thu Mar 27, 2008 6:26 pm Post subject: |
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| s**t this don't look good ay haha |
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Steady ED
Fordmods Addict
Age:22
Posts: 6625
Joined: 01 Jun 2005
Location: Melbourne VIC, Australia
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| Posted: Thu Mar 27, 2008 6:27 pm Post subject: |
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| mystro wrote: | | mine ran like a turd once missin and crap turned out to be the master cylinder of all things |
Do you mean booster?
If the booster is split it'll cause a vacuum leak.
Check the booster visibly for a split/crack.
Or pull vac hose out of the booster, and block it with something, see if that improves the idle.
Another test, if you stop the car, do the brakes go hard straight away, or stay soft for a couple of pumps? |
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brad17djr
Fordmods Stock as a Rock
Age:19
Posts: 107
Joined: 05 Sep 2007
Location: blue mountains/Oakhurst NSW, Australia
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| Posted: Thu Mar 27, 2008 6:29 pm Post subject: |
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| yer sorry booster lol i dunno where my brain was |
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Paulmac
Fordmods - Getting Side Ways
Age:60
Posts: 619
Joined: 24 Sep 2007
Location: Central Coast NSW, Australia
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| Posted: Fri Mar 28, 2008 1:14 am Post subject: |
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As above, to test just block the big vac line to the booster with your thumb and have the car revved.
Also check your cat converter, map and HEGO [oxy] sensors.
Cheers,
Paul |
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alfy
Fordmods - Getting Side Ways
Age:18
Posts: 3355
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Location: Port Lincoln SA, Australia
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| Posted: Fri Mar 28, 2008 1:17 am Post subject: |
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mine does this too, on cold starts it likes to cough and splutter when accellerating in gear, the previous owner gutted the cat, im replacing it tomorrow.
also when i accelerate up a hill, the aircon goes to the windscreen, then back to whatever when i back off again. this means vaccuum leak yeah?
sorry if i just repeated a whole lot of stuff and probably asked a question that has the answer right here, but i cbf reading heaps at this time of the morning.
cheers  |
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Paulmac
Fordmods - Getting Side Ways
Age:60
Posts: 619
Joined: 24 Sep 2007
Location: Central Coast NSW, Australia
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| Posted: Fri Mar 28, 2008 1:30 am Post subject: |
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Yes, but the coughing and spluttering may be unrelated though low vac wouldn't help. If any vac lines are loose fitting a smear of silicone will help them seal and maybe a new seat for where the booster vac line plugs in. It should be a tight fit.
Paul |
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brad17djr
Fordmods Stock as a Rock
Age:19
Posts: 107
Joined: 05 Sep 2007
Location: blue mountains/Oakhurst NSW, Australia
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| Posted: Fri Mar 28, 2008 5:58 am Post subject: |
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| ok thanks guys i'l do that and see how i go with the coughing in gear in the morning it could also be uni joints that are flogged out thank guys |
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Adam_Legs11
Fordmods Tyre Shredder
Age:20
Posts: 342
Joined: 27 Jun 2006
Location: Wesside, Melbourne VIC, Australia
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| Posted: Sat Mar 29, 2008 5:06 pm Post subject: |
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| i have the EXACT same problems. Let us know how you go |
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brad17djr
Fordmods Stock as a Rock
Age:19
Posts: 107
Joined: 05 Sep 2007
Location: blue mountains/Oakhurst NSW, Australia
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| Posted: Sat Mar 29, 2008 11:45 pm Post subject: |
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| well i just changed the dizy cap and rotor button and reset the base idle but she's still the same hmmm what a b**ch to do the cap |
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ringastinga
Fordmods Tyre Shredder
Age:21
Posts: 308
Joined: 09 Aug 2005
Location: frankston VIC, Australia
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| Posted: Sun Mar 30, 2008 11:30 am Post subject: |
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| you clearly havent done the coil then hahaha |
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ringastinga
Fordmods Tyre Shredder
Age:21
Posts: 308
Joined: 09 Aug 2005
Location: frankston VIC, Australia
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| Posted: Sun Mar 30, 2008 11:30 am Post subject: |
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| you clearly havent done the coil then hahaha |
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