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  Author    Specialist Components fuel injection system  (currently 17,379 views)
Graham Bichard
Posted on: May 24th, 2021, 11:33:25 Quote Report to Moderator
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It lives!!!
Got it running yesterday after changing the crank sensor.  Strange that it failed at the particular time that I'm changing the fuel injection system (it wasn't disturbed other than unplugging the old loom, plugging in the new loom).
But it works

I need to set the idle speed (the engine needs to be thoroughly warmed through for this and I want to get the car out of the garage to do this, not just have the exhaust adjacent to the open garage door), and there is a stumble at a 'fast idle' throttle opening which would stall the car if I held it at that speed.  I guess this is what needs to be mapped out for this specific engine.

So next stage is to warm it through, set the idle then get the emissions checked at the local garage.  Depending on that either get it car mapped or submit for another IVA (mapping to follow once on the road).  I'll get a 'right angle' throttle cable on order too so I can fit the bonnet, as per Bent's photo.  Ultimately I will need to modify the throttle pedal/cable as I can't get full throttle as it stands.

Happy days.

Last modified May 24th, 2021, 11:33:46 by Graham Bichard
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Graham Bichard
Posted on: May 26th, 2021, 18:39:17 Quote Report to Moderator
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Okay, so I can get the car started but it's started blowing the fuel pump fuse. Any ideas - bad earth perhaps?
I'll need to sort this before I can set the idle and then get the emissions tested
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Graham Bichard
Posted on: May 27th, 2021, 14:15:41 Quote Report to Moderator
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Okay, so wiring checked (nothing unusual found), jump leads on to ensure enough juice available and the car starts and runs fine. Go figure.
Could a weak battery cause a fuse to blow?
Anyway, with throttle blips I managed to get the car warmed up and the idle speed sorted. It still stalled after 20-30 seconds at idle. Another phone call to Matthew at Specialist Control Systems (who make the ECU and write the code) showed me how to enrichen the mixture across the whole map (trying to do individual points leads to a downward spiral of doom apparently) which looks to have sorted the idle for the moment.
I've just spoken to my local garage and am going to have an emissions test done tomorrow, which will give me some idea of where we're at. Fingers crossed!
Big thanks to SCS though for their assistance, both on the phone and across TeamViewer, to get this far.

ETA I should add that the fuelling map can be adjusted on individual points, but that this is something to be done (by someone who knows what they're doing) during a rolling road session.  That's the first thing I'll be looking to do once I've got the car past IVA.

Last modified May 27th, 2021, 14:18:40 by Graham Bichard
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Graham Bichard
Posted on: May 28th, 2021, 13:39:42 Quote Report to Moderator
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Ho hum.
So we've got the engine running on the Specialist Component kit, but after testing the emissions there's a story to tell (nothing's ever simple).  I'll continue the story now in the main thread.

And if anyone's got a bag of enthusiasm going spare.....
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