Cam sensor wiring help needed

[Gunny110]

Hi all so some of you may have seen my other post ref my non starter vtr 03 plate. Abit of an update I have just realised on the new loom the previous owner had installed only has one wire going to it (a brown/red) the other is a green wire. I'm a 100% that this would make a non start fault, would it not? And if it does can anyone tell me where this wire goes back to on the ecu plugs. Thanks you in advance, craig

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[Gunny110]

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[welshpug]

no saxo ever used a cam sensor??

[stevo67]

no saxo ever used a cam sensor??

Didn't the vts have one?:drink:

[Phaeton]

None of my engines did

[welshpug]

Didn't the vts have one?:drink:

nope, its wasted spark batch fire.

[Phaeton]

Can you take a better picture, one not of a black cat in the coal cellar?

[Gunny110]

Sorry boys I ment crank sensor tw*t!! Lol

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[axsaxoman]

I would hunt round the engine bay --think its probably wrong connector been put on crank sensor --maybe another same plug type with 2 wires on somewhere else -
1wire sounds like temp sensor or oil pressure switch connection--failing that get a wring diagram

[Gunny110]

How many wires should go to the crank sensor? 1 or 2

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[Phaeton]

I'll be home on about an hour I'll take some pictures for you

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[Phaeton]

But I think it's 2 add is 2a hall sensor

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[Gunny110]

Thank you phaeton and I belive you are correct it has two wires form crank sensor I belive he has put the temp sensor on the crank sensor and the crank sensor on the temp sensor. Fingers crossed could have her running in under 5 mins if that's the case. Should have a green and white wires going to it I think.

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[Phaeton]

Thank you phaeton and I belive you are correct it has two wires form crank sensor I belive he has put the temp sensor on the crank sensor and the crank sensor on the temp sensor. Fingers crossed could have her running in under 5 mins if that's the case. Should have a green and white wires going to it I think.

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[Gunny110]

Yep two wires to it not one. Iv sorted it now :) but she is lumpy plugged my reader in and says injector circuit low on 1 2 3 4 is that just run some cleaner through it or need new loom

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[stevo67]

I looked up injector circuit and most searches say it's a wiring problem due to low voltage.

[Gunny110]

Thanks ks stevo67 could I not just use power from another wire in the loom then

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[stevo67]

Thanks ks stevo67 could I not just use power from another wire in the loom then

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No don't think you can,ask on here if anyones got a spare injector loom for sale.:drink::drink:

[Gunny110]

I got one today from scrappers along with new injectors and spare map crank knock sensors all for a tenner :)

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[Gunny110]

So gents fitted new injectors and fuel rail, no more codes in ecu and light now out, however the lumpyness still persists. It runs lumpy and no response from the throttle at all. After a short while it then dies, does this sound like a fuel issue? Car was sat for 8 mo the with a full tank of fuel I'm thinking dirty clogged fuel filter? Anyone have any other suggestion? Iv also tried another crank and map sensor still the same lumpy idle

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[stevo67]

Try some fresh fuel.

[Gunny110]

Well it was left for 8 months with a full tank in it I think it's gone bad? I did put 10 in just and still no good? Also changed the fuel filter today no change do you think it's the fuel then?

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[Phaeton]

Try new plus as well, I would drain & fill not just add

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[stevo67]

Fuel if left in a car for a long time breaks down.

[welshpug]

it'll be fine on that fuel, I've left cars far longer and they've run just fine.

[Gunny110]

Thank lads iv put in new plugs new coilpack unlocked ecu new temp sensor and new fuel rail no faults on ecu and map sensor

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[Gunny110]

Also timing is still spot on

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[Gunny110]

So iv checked the fuel pump, all good I'm slowly running out of ideas. I'm changing the idle control valve tomorrow with a new one only cost me 14 quid ☺ could a lambda sensor cause this much trouble?

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[Gunny110]

So iv changed the icv and it's still the same :( I mentioned that the guy before me changed the loom in the engine bay. Are all the looms the same regardless of engine size? I.e would a 1.1 and the vtr loom be the same?

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[stevo67]

Looms are different from year to year & to an extant on engine size/spec etc.

[Phaeton]

I'm not surprised a £14 ICV didn't cure your issues, I would be trying to borrow a known good one before hacking a loom about looking for a fault that might not be there

[Gunny110]

The symptoms are exactly the same from the new sensor to the old one

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[Phaeton]

Which is what I would have expected, original fubar'd new one fubar'd

[Gunny110]

Thanks Stevo as I said I don't know what car that loom came out of and think that is the proplem

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[Gunny110]

But would a faulty icv cause this much drama? Thought that just made the revs stick

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[stevo67]

A faulty icv could cause a number of idling problems,including high revving and cutting out.Has the timing ever been played with ie someone remapped the original and played with the timing?

[Gunny110]

The timing is all OK as I took the covers off and checked. I was hoping someone already had this issue. Il try another icv off another car and see how I go

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[stevo67]

Icv's are different between the vtr & vts,the vts being longer(just for info)

[Gunny110]

OK bud, I'm just wondering because the guy before me cut the crank sensor plug off, after I have attached it again maybe the signal isn't that strong?

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[Gunny110]

FIXED!!! crank sensor was wired wrong way round lol, im such a tw*t haha all running now and drives lovely

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[Phaeton]

Result!

[Gunny110]

Yeah im really happy, its only cost me around 200 all in and that includes purchase price and transporting her home lol. so now to get her stripped out and race ready, anyone need an interior lol thanks to all those that helped me diagnose it also right good lads on here.