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clubstylus - View topic - Possible Goodwood test day on 14th December 2013
It is currently Wed Dec 12, 2018 3:45 pm




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 Possible Goodwood test day on 14th December 2013 
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Location: Liphook, Hampshire, UK
Post Re: Possible Goodwood test day on 14th December 2013
Rob needs help here - "electronics" are not his bag at all, he doesn't even have a multimeter.
My thoughts below, correct me someone if I'm obviously wrong :roll:

So... 9 out of 10 it runs. When very cold out it wont play ball.

Coil pack, plugs & injectors - probably OK (it runs on 4 when it decides to start).
Water Temp, Air Temp, MAP Sensor (built into ECU), TPS, O2/Lambda (if it has one in its exhaust, - Rob ??) - None of these should stop the engine running, faults should make the ECU substitute base values - ie LIMP mode.

Leaving the likely candidates....
CRANK SENSOR - now replaced. Very Probably OK.
CAM SENSOR - tells the ECU which is No1 cyl on compression stroke. This would probably fail to safe, and ECU would not start the engine. IF I was suspecting a sensor this is now it !
ECU - (as discussed at length with Rob) - ECU unpowered due to cold cranking amps being diverted/taken by the starter. Easy check with an ammeter.
WIRING - broken or intermittent make/break wire, connector fault, shield not properly terminated. Needs each individual ECU loom sensor & device wire buzzed through & continuity & sensor resistances checked off.

Anyway... all bloody annoying. I'm seeing Rob over New Year - will take a multimeter & if needed will borrow a mate & his PicoScope to check the sensor waveforms.

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SSC Stylus Integrale Turbo16V
Kit 1999, OTR 2002, and still tweaking....


Mon Dec 16, 2013 1:23 pm
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Post Re: Possible Goodwood test day on 14th December 2013

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I just love the Stylus but she keeps swallowing £££ !
[b]Alfa Red 159 2.4 jtdm ti 260bhp 365lbft / BilsteinB12 + Adjustable Powerflex camber/castor bushes. Red STYLUS 2lt zetec 231bhp 185lbft Dunnell . RED 1972 Alfa 2lt GTAm replica 170bhp.


Mon Dec 16, 2013 1:59 pm
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Post Re: Possible Goodwood test day on 14th December 2013
Rob.

Do you even have a cam sensor? No need for the lambda in competition, as it is cut out during full throttle & of course on over run. They only seem to work on constant loads (speed, throttle position). I have a lambda on mine & it tried to remap, of course the running conditions vary to much. So i periodically have to reload the original map, guess I should just disconnect it.

I can only re emphasize my own experience with the various engines in my Stylus. If the zetec doesnt start within 2 turns it wont. I have to recharge the battery to more than full, even jumping it with what seems a good battery wont do it. Once started it is OK all day long, even if the engine gets stone cold again.

I dont believe its an ECU fault, as mentioned once started its fine. If any of the other sensors didnt work (temp etc) the engine would still try, even if it didnt start.

On my Stylus I still have a big (heavy) battery. I was thinking of fitting a small light weight unit & decided that if I did I would fit the jump connections like the single seater guys have. So on initial starts I could also jump it.

Good luck.


Mon Dec 16, 2013 10:17 pm
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Joined: Fri Apr 16, 2010 9:32 pm
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Location: Chesterfield
Post Re: Possible Goodwood test day on 14th December 2013
I've heard of crank sensor probs with the shielding not being correct causing problems starting.

Are you using a Cam sensor too?

Just to let you know you are not alone in the pain of engine trouble. My Zetec upgrade has almost resulted in me pouring petrol on the car and lighting it though frustration. So I feel your pain. And mine included 8 bent exhaust valves :(


Mon Dec 16, 2013 11:28 pm
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Post Re: Possible Goodwood test day on 14th December 2013
Couldn't you contact Paul Dunnell and get the ecu program and hook it up to the computer to see if its throwing up any faults.
Or could you send it (ecu) to him for him to assess to see if its got any faults.

Would be a shame to waste a day checking sensors if its the ecu at fault.

This is making me worried as im planning to go injection early next year. I got the ATpower TB's from him and they fit under the bonnet.
I dont want to be stuck on tour with a Fury that doesn't start. :?


Mon Dec 16, 2013 11:39 pm
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Post Re: Possible Goodwood test day on 14th December 2013
Got ATs on mine with an Emerald ECU. Just don't touch the balance.....a nightmare to set back up....


Tue Dec 17, 2013 12:08 am
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Post Re: Possible Goodwood test day on 14th December 2013

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SSC Stylus Integrale Turbo16V
Kit 1999, OTR 2002, and still tweaking....


Tue Dec 17, 2013 1:36 am
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Post Re: Possible Goodwood test day on 14th December 2013
H'mmm , well now I'm really confused , as if I wasn't already :? Checked the charger , that I bypassed the flickering fuse yesterday , and it showed fully charged (can't be any connection though surely :?: because the light stayed on without flickering before , when charging)
Thought , it won't start but I'll just try her ------started on the 2nd turn without any issues , popping or misfires :? :? :?
There's just no bloody constants with my engine . Won't start --- check all wiring ----- battery full --- then put new crank sensor on ---- STARTS .Sounds logical to assume it was crank sensor then next time I need it to start on a fully charged battery at GOODWOOD -- she says '' sod you , I'm not playing today '' :twisted:

Anyway , I have found the software disc amongst my junk in the office and phoned Paul Dunnell to remind me of the password for it ------------------ so Matt can have fun with a laptop looking for ' her ' reason for being OFF with me :lol:

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I just love the Stylus but she keeps swallowing £££ !
[b]Alfa Red 159 2.4 jtdm ti 260bhp 365lbft / BilsteinB12 + Adjustable Powerflex camber/castor bushes. Red STYLUS 2lt zetec 231bhp 185lbft Dunnell . RED 1972 Alfa 2lt GTAm replica 170bhp.


Tue Dec 17, 2013 1:16 pm
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Post Re: Possible Goodwood test day on 14th December 2013


Tue Dec 17, 2013 3:12 pm
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Post Re: Possible Goodwood test day on 14th December 2013

_________________
I just love the Stylus but she keeps swallowing £££ !
[b]Alfa Red 159 2.4 jtdm ti 260bhp 365lbft / BilsteinB12 + Adjustable Powerflex camber/castor bushes. Red STYLUS 2lt zetec 231bhp 185lbft Dunnell . RED 1972 Alfa 2lt GTAm replica 170bhp.


Tue Dec 17, 2013 3:37 pm
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Post Re: Possible Goodwood test day on 14th December 2013
He (Paul) said having a race loom on a road car is a waste of money so I wont get one.. (fighting the urge).
I think its probably Spec55 wire so its good, but expensive.

I know of a guy (friend of a friend) building a 7 type monster with a 450bhp cosworth turbo engine. He's got a spec55 loom, it was around the £1k mark. He's also got the liferacing ecu so its a proper setup with no expense spared.

Good luck tracking down the gremlin Rob.


Tue Dec 17, 2013 3:59 pm
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Post Re: Possible Goodwood test day on 14th December 2013
I would be inclined to try a fully charged jump battery and feed the ECU direct from the battery as this can cause a lot of starting issues as Matt said when cranking the ECU may not have enough juice to run. Plugging laptop in to check all sensors are being seen and giving correct readings but you know Sod's law plug in laptop to watch and it will start every time :twisted:

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Tue Dec 17, 2013 4:08 pm
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Post Re: Possible Goodwood test day on 14th December 2013

_________________
I just love the Stylus but she keeps swallowing £££ !
[b]Alfa Red 159 2.4 jtdm ti 260bhp 365lbft / BilsteinB12 + Adjustable Powerflex camber/castor bushes. Red STYLUS 2lt zetec 231bhp 185lbft Dunnell . RED 1972 Alfa 2lt GTAm replica 170bhp.


Tue Dec 17, 2013 7:36 pm
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Post Re: Possible Goodwood test day on 14th December 2013
This may be why when you put fan heater on it it would then start as it would be drawing less current to start a warm engine than a cold one.

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Wed Dec 18, 2013 10:46 am
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Post Re: Possible Goodwood test day on 14th December 2013

_________________
I just love the Stylus but she keeps swallowing £££ !
[b]Alfa Red 159 2.4 jtdm ti 260bhp 365lbft / BilsteinB12 + Adjustable Powerflex camber/castor bushes. Red STYLUS 2lt zetec 231bhp 185lbft Dunnell . RED 1972 Alfa 2lt GTAm replica 170bhp.


Wed Dec 18, 2013 11:13 am
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