3b s2 coupe resurrection

[andy10v]

Plug 1 is black and stinks of fuel.

If I had a MAF problem would it not still run with the MAF unplugged in limp home mode?

[andy10v]

Check the OBD fuse. Marked on the fuse box lid.

Is it marked as diagnostic on a 3B?

[newsh]

Yes I think so

[andy10v]

Fuse 21 Run-on pump, oil cooling, diagnostic 10A

There is a 25A fuse in that slot, unblown.

[newsh]

Fuse 21?

[newsh]

Ok check at the 2pin connectors, pin out on the fuse box lid, you should have 12v + and- on the furthest one and the K and L lines on the middle one. If you can see the 12v with ign on then you need to buzz the k an L back to the ECU.
Make sure the pink pin retainer is sitting right in the ECU plug and none of the pins have dropped back.

[andy10v]

I have checked the ECU plug, and all the pin swaps in the ECU plug, pins are still in the holder.

VAGCOM led goes green when its plugged in. I will check the K L lines another day.

Checked timing, spot on, tried tweaking it either way just in case but no go, back to on the line.

Just scunnered with it now, really wanted it working for tomorrow.

Anybody know of a nice S2 avant for sale?

[martinws]

This really sucks man. When I spotted you posted the last message at nearly 2am I was thinking you had it sorted. I can't really think of any thing to try that you haven't tried. Nothing stupid like a fuel hose kinked or injectors in so squint that they are not injecting properly?
Just thinking of anything you have touched since it was OK.

[Error404]

3B coil power is from S32 - 20A

I've PMd you mate

[andy10v]

I have +12V at the coil plug. Could you confirm what wire colour you made +12v on the coil loom?

As it was running after the pin swap I suspect something may have died? ECU VAG com needs sorted though.

If the hallk sensor was dying would that explain intermittent starting, then if it failed whilst running it would drive home in limp home hence ok at part throttle then if its dead completely no start.

I am fitting the BBS wheels on the A4 and taking it on track for the shits and giggles.

I am going to ditch the S2 for a week or so, do some other stuff and come back and work through troubleshooting in a logical manner. Right now I just want to break it and buy an E46 M3/skyline/supra/996 turbo/B5 S/RS4 etc as none of them will ever go wrong

Do I need an oscilloscope the check the hall sensor?

[simon20vq]

Just a thought but have you tried squirting wd40 in the intake while cranking?

[andy10v]

Just a thought but have you tried squirting wd40 in the intake while cranking?

Not yet, injectors are wet and no spark.

I plan on doing a back to basics and work through everything, Alex has told me how to test the hall sensor, so thats a start.

[andy10v]

A4 on track was a disaster, all going well, having a good time when it split the heater matrix hose, and the rad is leaking. Water temps on the dash were fine, no warning lights prior to it dumping its coolant. The inside of the hose looks shagged so possibly on its way out and track just killed it.

Cut the heater matrix hose and bypassed the heater matrix to drive the car home, just topping up water as needed.

A4 was quite good fun on track, no power but that made me a lot smoother, you have so much time to think compared to the S2.

My boss took me out in his Caterham which was amazing, so fast for a 1.6 K series rover engine, coming from a road car is unbelievable how late you can brake and how fast you can corner! Fantastic experience. I am too tall to drive it unfortunately, the pedals were on top of my shins, even in the passenger side I had to slouch right down to get my head under the roll cage, feet jammed in, people were pissing themselves watching me manouver my way in through the cage

So between the A4 and the S2 cars are not my favourite thing right now. Biggest thing stopping me from just stripping the S2 is what can I replace it with?

380bhp, 1400kg, AWD, drives well on the road, can be driven hard on track, "reliable" "practical" relatively cheap.

[newsh]

I think if the hall sensor is not working then the fuel pump won't run and the plugs would be dry.

[newsh]

At least you had some fun on the track, it's really good discipline to lap with less power and think more about corner speed and momentum. Like trying to just lap in one gear or driving something less powerful. A mate of mine used to thrash all of us on trackdays on an Aprilia 250, we were all on 1000s, he'd almost keep up on short straights but just ride underneath you round the corners, momentum..