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sierra sapphire boost problem

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Old 25-11-2007 | 03:39 PM
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Default sierra sapphire boost problem

the car runs fine then when its starting to boost it misfires the plugs,leads,coil,distributor cab and arm have been changed and still the same any ideas??cheers
Old 25-11-2007 | 03:46 PM
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mine dones this turned out to be the phase sensor make sure all the wires are ok on it the insulation has not cracked etc
Old 25-11-2007 | 03:53 PM
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Does it do it when the engine is warm or is it all the time.
Old 25-11-2007 | 03:59 PM
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cheers.guys

its.my.car

Does.it.all.the.time.warm.or.cold

Soon.as.it.starts.to.spool.up.circa.3000.revs.it.s till.accelerates.but.very.slowly

Other.thing.is.the.rev.counter.is.all.over.the.joi nt.especially.when.coming.on.to.boost............. ..jumps.right.of.the.scale

Only.time.it.sits.normal.is.when.coasting.really

Not.being.very.mechanical.i.dont.have.a.clue

Someone.has.suggested.it.maybe.the.amal.valve?

Thanks.in.advance.for.any.help.and.sorry.about.my. broken.space.bar

cheers
Old 25-11-2007 | 04:34 PM
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this is the exact problem mine had chap!check your phase sensor wiring,also if not got one fit a grp A coil
Old 25-11-2007 | 08:04 PM
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ill.change.it.tomorrow.then.mate.got.a.3.dr.escort .cossoe.i.can.get.bits.off

hopefully.that.will.be.me.and.ill.owe.you.a.beer
Old 25-11-2007 | 09:08 PM
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Originally Posted by Stage3
ill.change.it.tomorrow.then.mate.got.a.3.dr.escort .cossoe.i.can.get.bits.off

hopefully.that.will.be.me.and.ill.owe.you.a.beer
Old 26-11-2007 | 01:13 PM
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anyone.know.how.easy.it.is.to.change.the.phase.sen sor?

like.a.very.basic.description.lol

Old 26-11-2007 | 08:47 PM
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was the wiring crap then???
Old 26-11-2007 | 08:50 PM
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phase senor replacement ere


https://passionford.com/forum/viewtopic.php?t=303515
Old 27-11-2007 | 06:00 PM
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not.had.a.chance.to.check.it.yet.fella

bad.scottish.weather.you.know.the.rep.lol

hoping.its.an.easy.one.to.do
Old 27-11-2007 | 11:25 PM
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What is the plug gap set to??
Old 27-11-2007 | 11:40 PM
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stage 3,

please stop with the '.' everywhere. a space works fine too you know.
Old 28-11-2007 | 07:02 PM
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Originally Posted by lukemakepeace
stage 3,

please stop with the '.' everywhere. a space works fine too you know.
its.broken
Old 28-11-2007 | 07:04 PM
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Originally Posted by canzus
What is the plug gap set to??
not.sure.how.to.tell.mate.....?

turned.out.to.be.the.amplifier.that.needed.changed

not.sure.what.this.does.but.its.located.on.the.NS. wing

Took.2.secs.to.change.as.well

Mechanice28.thanks.for.all.your.help.mate......tur ns.out.there.had.been.a.new.phase.sensor.fitted.by .the.looks.of.things.so.thankfully.a.new.amplifier .cured.the.problem
Old 28-11-2007 | 07:04 PM
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Originally Posted by Stage3
Thanks.in.advance.for.any.help.and.sorry.about.my. broken.space.bar

cheers
Old 28-11-2007 | 09:15 PM
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no probs chap glad it sorted
Old 28-11-2007 | 09:16 PM
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Originally Posted by canzus
What is the plug gap set to??

0.2 too 0.3 mm
Old 29-11-2007 | 12:17 AM
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Originally Posted by mechanic28
Originally Posted by canzus
What is the plug gap set to??

0.2 too 0.3 mm
Huh?? .008 to .011 of an inch??

Seems a little small for a plug gap...
Old 29-11-2007 | 06:25 PM
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had the same problem wuth mine also cleaned the connectors to the amal valve no problem
Old 29-11-2007 | 08:50 PM
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Originally Posted by canzus
Originally Posted by mechanic28
Originally Posted by canzus
What is the plug gap set to??

0.2 too 0.3 mm
Huh?? .008 to .011 of an inch??

Seems a little small for a plug gap...
do u means spark plug gap???thought u ment phase sensor gap??
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