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Old 07 August 2017, 12:52 PM
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I have a classic uk2000 on idle it's great but when under load it judder then boost kicks in changed plugs and cleaned MAF just wondering if anyone had a spare bits I can swap around to find the fault..
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Old 07 August 2017, 01:06 PM
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Use the self diagnostic plugs under the steering column to see if there are any fault codes,also you could give the bcs a clean and check all the boost/vac pipes for splits.
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Old 07 August 2017, 01:09 PM
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I clear a code 23 for the MAF and it hasn't come back so all clear could do with borrowing a spare coil and leads to see if that helps
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Old 07 August 2017, 01:12 PM
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Is the car totally standard?
What did you gap the plugs at?
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Old 07 August 2017, 01:16 PM
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It's got a decat stainless turbo back panel filter td05 and a map I just fitted some ngk pfr6b plugs and oil change
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Old 07 August 2017, 01:19 PM
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Did you just trust the plug gaps were ok out of the box or did you check?
Have you checked all the pipes inc the intercooler Y pipe and the intake?
Have you cleaned the boost solenoid?
Have you got a lead to do some datalogging?
What year uk2000 is it?

Last edited by ossett2k2; 07 August 2017 at 01:21 PM.
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Old 07 August 2017, 01:27 PM
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Hi I did 1 gap of 0.70 not looked at the pipes I do have 2 vac pipes with bolts inside one is for a gauge don't know the other one. the car is a 1998 with 128k no paperwork only a v5 don't know how to clean the solinoid I've got some contact cleaner if that helps
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Old 07 August 2017, 01:33 PM
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Carb or brake cleaner is usually used,contact spray might be ok,plug both black and green diagnostic connectors to start the reset procedure and the bcs will kick in,spray into where the pipes go.
What ECU are you running if it's mapped?
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Old 07 August 2017, 01:36 PM
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The other pipe was probably a mbc(not good)
But defiantly check all the pipes,either a good visual check of smoke test.
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Old 07 August 2017, 01:38 PM
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Where u based?? U near Portsmouth
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Old 07 August 2017, 01:42 PM
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Originally Posted by ossett2k2 View Post
Carb or brake cleaner is usually used,contact spray might be ok,plug both black and green diagnostic connectors to start the reset procedure and the bcs will kick in,spray into where the pipes go.
What ECU are you running if it's mapped?

Mapped I think so yea and it's a s8
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Old 07 August 2017, 01:48 PM
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Your ECU will be an 8s and not mappable without ESL board.
What makes you say it's mapped?

I'm Yorkshire so not close.
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Old 07 August 2017, 01:51 PM
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I'm haveing exact same problem v reg 2000 uk .. mine starters after a full samco hose change .. fitted everything had a weird idle and no boost bought a new pattern maf of eBay which solved the boost but still had the idle then after 2 days kept cutting out.. ive sinse fitted a new genuine oem maf (120) compared to the 30 eBay one... it's better not cutting out but still got a weird idle like it's missing so slightly sinse then I've fitted a new idle control valve new o2 sensor, new coolant sensor , changed vac pipes of boost solenoid changed coil pack for a working one and still problem persist , I've took top mount of endless times triple checked everything is tight even sealed dumpvalve on top mount .. I've admired defeat now and it's going to mitzy art on Wednesday
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Old 07 August 2017, 01:51 PM
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Ah just that it's very quick for a stock 218bhp it's got a td05 but wouldn't that have to be mapped in.pm sent with my number also I've been offered a sti ecu would that be any use to me??
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Old 07 August 2017, 02:01 PM
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We're are you based ? I've got some spares you could try
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Old 07 August 2017, 02:02 PM
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Sounds like a maf issue to me
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Old 07 August 2017, 02:12 PM
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It's running a different turbo and a decat,sounds like it hasn't been mapped,you will need to open the ECU to see if it has ESL board or some other generic chip fitted.
Sticking an sti ECU on won't do you any favors.
The hesitation on boost could well be the car running lean and detting,if this is the case then your engine won't last long.
I've been there with an MY98 uk2000,didn't last long after I fitted the decat,the bottom end shat it's pants.
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Old 07 August 2017, 04:09 PM
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Do you have a mobile I can call
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Old 07 August 2017, 04:32 PM
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Originally Posted by Scooby-noob View Post
Do you have a mobile I can call
Don't take this the wrong way but I don't give my number out to people I don't know,keep questions on the forum if you can as this may help others in the future.
It's well worth having a go on the search button as these kind of problems are well covered.
Check the things people have suggested and fire as many questions as you can
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Old 07 August 2017, 05:47 PM
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Originally Posted by Jimmyrallye View Post
We're are you based ? I've got some spares you could try
Hi bud I'm Gosport so very close
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Old 07 August 2017, 07:01 PM
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Cool ok mate dm your number and we're sort something out
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Old 07 August 2017, 07:23 PM
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Originally Posted by Jimmyrallye View Post
Cool ok mate dm your number and we're sort something out
Pm sent
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Old 07 August 2017, 07:29 PM
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My ecu looks stock to me


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Old 07 August 2017, 07:40 PM
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Yes stock so not mapped for TD05 and decat.
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Old 07 August 2017, 07:46 PM
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Just worth checking injectors too,should have gray 380cc but might have been changed for yellow 440cc.
Previous owner seems to have swapped/upgraded a fair bit without mapping.
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Old 07 August 2017, 08:21 PM
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Gutted remap is going to cost a fortune do I need another ecu as the 8s cannot be mapped
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Old 07 August 2017, 08:26 PM
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Originally Posted by Scooby-noob View Post
Gutted remap is going to cost a fortune do I need another ecu as the 8s cannot be mapped
You can either get an aftermarket ecu or an esl daughterboard already mentioned in the topic i think.

The damage may already be done by the previous owner though.
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Old 07 August 2017, 08:31 PM
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Ok time to sell thought it was too good be true I cannot afford a map spares repairs
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Old 07 August 2017, 08:49 PM
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Remap including the ESL will set you back around 550
Or you can buy the ESL and cable for around the same price and DIY map,there are a few of us on here who DIY as well as some very good mappers who will give some advice if you choose DIY.
The other option is to put the car back to stock,TD04 and a catted down pipe should cost no more than 2-300.
I've seen pics of your car and it looks nice,love the wheels and looks a tidy example.
Don't lose faith is my advice,might still have a good engine?
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Old 07 August 2017, 10:32 PM
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Me personally I would try a new oem maf before you start to worry yourself
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