Furio cutting out

8th April 2011, 08:55

This is my first post so hope I explain things properly.

I have a 2002 Saxo Furio (1.4). It started cutting out/ dropping revs on when slowing down past idle speed, last year. When it came to the cold weather it wouldn't start. So I left it until the new year to sort out.

I was told it was the head gasket/ valve timing. So I did this.
Still cutting out. It starts first time. A little bit up and down on the revs goes from around 750 to 1000 cold or hot.

Tried cleaning the ICV (on side of inlet manifold) Still the same. What colour should it be inside?

Told to disconect the MAP when running. Did this and car just stopped. Told this was right and so MAP was ok.

Looked at TDC sensor seems ok.

Got new ignition coil pack.

Been told it could be Air Flow Meter (£260). Anyone know where it is and how to clean or bypass?

Have I got the valve timing wrong? But it was like it before I did head gasket.

Just MOT'ed Furio. Failed on emissions. Failed on Lambda reading. (ordered new one to try but was told by Moter that it could be someting else as well.

Reading was 1.073. Should be 0.970 to 1.030.

Anyone any ideas?

I've spent a lot but I see it that if you change somthing and it does alter anything, you've got spares for when you do and to hand

Also I'm learning.

8th April 2011, 10:12

When you did the headgasket, did you lock everything correctly? and then turn it over twice after you'd put the new gasket/belt back on, and check the timing holes line up, you'll notice if you give it a quick blip on the throttle, if there's fuck all power delivery, your timing will be out by one tooth,

And as for the cutting out, if you hold the revs above idle, will it cut out still? Check the obvious first, which is what i tell everyone with idle issues, run some wd40 around and down the throttle cable

Edit: also another way of seeing if it's the map sensor, gently touch/move the wires and see if it wants to cut out

8th April 2011, 10:26

Thanks iSlayeR,

I'll give the MAP idea a try later today.

The timing I did to the Haynes manual but I'm thinking of just getting my mate to check it with me at week end.

just seem weird that it's still the same after setting everything up. Which leads me to believe it's something daft I haven't considered and the best place to ask is here. Where others may have had the same problem(s). Anyway my wife told me to stop banging my head on the bonnet and ask help from others cleverer than me

10th April 2011, 18:57

Firstly tried wiggling connector. No change.
Redid timing and was very slightly out. Now spot on but still same problem. Plus now difficult to start.
Tried checking ICV again and it fell to bits. So I think I've found problem. I'll let everyone know later

11th April 2011, 17:40

Update for anyone interested.
New ignition pack.
replaced ICV.
Replaced MAP.
Timing spot on.

When cold starts and dies a couple of times.
When reved until it sounds as though it will idle it is lumpy and revs from 6000 to 7500. Sounds like pop pop in exhaust (not spark pop) and sounds very throaty. Seems to rev when pedal down.

Put redx in, incase jets need cleaning and shall try checking settings in ecu incase it's gone into limp mode.

Should I replace plugs and check tappets?

Or any other ideas welcome.

Hope this helps others trying to find problem.

11th April 2011, 17:49

Have you gave the throttle cable a good clean yet?

11th April 2011, 18:28

I will try it tonight after dinner.

Cheers.

12th April 2011, 11:05

Tried Cable. No change. Will try checking everything is tightened down next.

19th April 2011, 19:08

I'm posting all these bits incase it helps others.

Redid timing as I was told it may have altered. Still spot on.
Checked all sensors using laptop and ob2 lead. All ok.

I shall replace fuel pump next.

Then tempreture sensor just incase it gave a false reading.

The only thing after that is head valves. Told even if they look ok, could be faulty.

I will NEVER buy one of these again.

Ebay may be getting a car for spares.