ChrisBoom
Member
Registered: 6th Dec 06
Location: Highland
User status: Offline
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245bhp, slight issue with the plugs,need gapped, so has a misfire at around 4k. Fuel etc is spot on, running about 0.9bar
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Rob R
Member
Registered: 31st May 03
Location: Kent
User status: Offline
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Couldn't they of altered the gaps? Not exactly a hardship
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ChrisBoom
Member
Registered: 6th Dec 06
Location: Highland
User status: Offline
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Well the journey home was a pain in the cunt.
Its developed a misfire thats rediculous now, was a slight miss around 4k on the dyno, was noticable, but I was assured it would just be the plugs.
Now on the way up the road, put the foot down and it misfired crazy style, and put the EML on.
Its fine if I give it gradual throttle, then it will go all the way to the limit in 5th 
However, any heavy foot causes a miss, and once I got home, op-com shows:
P0300 - Random/Multiple Cylinder Misfire Detected
(01) - Intermittent
P0301 - Cylinder 1 Misfire Detected
(01) - Intermittent
Will gap the plugs first thing tomorrow, if that doesnt sort it then ill get on the phone to hypertech. Ill scan the graph now, im no expert but it doesnt look right?
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mac1976
Member
Registered: 29th Dec 06
Location: tullibody , clackmannanshire
User status: Offline
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ma mate had this with his mk4 gsi and it turned out to be the cts
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ChrisBoom
Member
Registered: 6th Dec 06
Location: Highland
User status: Offline
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Quick search on AOC is suggesting either plugs on coilpack, hopefully it is that and not the map! I have the tools to save the new map and flash back on the standard map if needs be.
Edit, found a few people on AOC that had to gap their plugs after a remap, if not then it misfired under load, like mine is doing, shall get it done tomorrow anyway!
Graph:
Some pics from today
Hypertech:
The dyno room:
Car on the dyno:
Worlds biggest intercooler 
Video of the 245bhp run soon 
[Edited on 21-10-2010 by ChrisBoom]
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big eck
Member
Registered: 20th Apr 03
Location: Tullibody. Drives - Audi B8 S4 & Fiesta Zetec-S
User status: Offline
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Why did you choose hypertech in the first place?
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ChrisBoom
Member
Registered: 6th Dec 06
Location: Highland
User status: Offline
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quote:
Originally posted by big eck
Why did you choose hypertech in the first place?
Was going to do to wallace performance, but they wanted to put a dastek unichip on it, and ive seen one they fitted before, no thanks.
Was between sitech and hypertech as Ive heard good reviews about both, sitech wanted to put standalone management on it though, so went for hypertech. Duncan there really seemed to know what he was talking about, so long as the plugs cure the misfire then Ill be very happy
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gazza808
Member
Registered: 30th Jun 08
Location: Peterborough
User status: Offline
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with the amount of money you pay for what is basically a slightly tweeked generic map i'd have damn expected my plugs to be gapped. it's not like it's a huge job.
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spikedjack
Member
Registered: 16th Oct 08
Location: wolverhampton/cannock
User status: Offline
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245 bhp with those mods 
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SAL
Premium Member
Registered: 19th Dec 05
Location: Radlett, Hertfordshire
User status: Offline
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pretty bad results tbh
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ChrisBoom
Member
Registered: 6th Dec 06
Location: Highland
User status: Offline
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Got a RR early next year so will see what it does again after the plugs are sorted, will have a walbro 255 fitted by then too
Video:
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DannyB
Premium Member
Registered: 6th Feb 08
User status: Offline
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Coming to the Scotland region RR day Chris?
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ChrisBoom
Member
Registered: 6th Dec 06
Location: Highland
User status: Offline
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quote:
Originally posted by DannyB
Coming to the Scotland region RR day Chris?
Yup, posted in the thread
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DannyB
Premium Member
Registered: 6th Feb 08
User status: Offline
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Sound 
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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do i get a prize for being close?
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Mike GSi
Member
Registered: 3rd Jan 07
Location: Ipswich, Suffolk Drives:Astra VXR
User status: Offline
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My coupe turbo had exact same fault codes when i got it mapped, just stuck some new re-gapped plugs in and it was 100%
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MarkSport
Member
Registered: 22nd May 09
User status: Offline
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quote:
Originally posted by IvIarkgraham
do i get a prize for being close?
your cookie is in the post tbh 
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Ryan_G1
Member
Registered: 29th Aug 05
Location: East Ayrshire
User status: Offline
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As said above, re gap your plugs and it will be fine
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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Surprised they didnt gap the plugs to be honest! How can they be sure the fueling is going to be right
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Corsa_Sport21
Member
Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline
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Does seem pretty shoddy.
Uploaded the map and done a power run.
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ShEp
Member
Registered: 9th Aug 05
Location: Dingwall, Highland
User status: Offline
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I had the same problem,
The new map had goosed the AFM.
I have some new iridiums here chris? No use to me now.
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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i wouldnt of taken the car, told them to gap it and ask who you can say fueling is fine when you having a misfire!!
you should have a 300bhp car there.
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FlamingCorsa
Member
Registered: 22nd Apr 03
Location: Shropshire
User status: Offline
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should not judge hypertech but sounds like they are not suited to vauxhall tuning!
i went to coutney to have my van tuned cos they specalise in vauxhall and they would not even entertain putting it on rollers till it was running totally perfect before the map, i got there at half 8 in morning and they found clutch sensor was not working so got one from vauxhall that day,
also got everything working properly and knew all the parts that needed to be on there before mapping.
i drove nearly 5 hours each way but least i knew it was done properly and never have a prob since, its run 281bhp for 18months no issue!
now i have changed to eds chip so i can have it mapped by midway point garage cos its more local, again highly reccomend them cos they again specalise in vauxhall!
the van now runs 310hp and is used for track days so does not have easy life!
get to a specalised vauxhall tuner or someone who has good knowlage on z20let tuning, otherwise yours just wasting your time and money on people like hypertech!
only need a map doing once so its worth doing right .....thats wot i thought!
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Mertin
Member
Registered: 12th Oct 05
Location: Scotland
User status: Offline
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Mustve been a shit drive home with a misfire, I wouldn't of been keen driving that with a misfiring car after paying what £300 - £400 for a remap?
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DannyB
Premium Member
Registered: 6th Feb 08
User status: Offline
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I could have met you there yesterday afterall, I had to take a propershaft to be shortened at the unit opposite and didn't realise that until I went today 
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