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L

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Discussion Starter · #1 · (Edited)
Hello

I'm hoping someone can help...

I have a 206 CC, 55 plate, 1.6 Petrol. It's done 68k, was serviced in Feb and MOT in September. It also had a new clutch in September. For the last few weeks there's been a sort of squeak when the engine is turning over. If I put my foot on the accelerator the squeaking speeds up. It sounds a lot like a budgie stuck in a fan belt.

Last week I came to a gentle stop and the engine cut out. The engine didn't struggle or anything it was just like someone had turned the car off. It started first time so I just put it down to me stalling it and not realising.

A few days later it happened again, again as I came to a stop, but this time it wouldn't start right away. When I turned the key it would behave like it started up ok but then immediately power down again. It would leave the handbrake and the battery light on. It did this about 4 or 5 times then it's been fine since.

Until just. This time it did it just as I was getting into work and doing about 30 mph, thankfully on a bit of trading estate style roads. I lost power steering and just coasted to a stop. Again the engine wouldn't start properly but this time I got it on video. After a few more tries it started ok. There's no engine warning light on, just the handbrake and the battery light.

Video below...

https://youtu.be/isFW_6-k8-Q


Any ideas? I'm booking it into the garage for tomorrow in a bit but not sure if it's safe to drive home.

Thanks!
 
L

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Discussion Starter · #3 · (Edited)
Sorry, fixed the link.

Will go and have a look at the battery at lunch.

Checked the battery, it looks ok, but I'm certainly no mechanic. The coolant was completely empty though so I've topped that back up. Could it have been over heating making it cut out? The last couple of times it's happened have been on my commute to work (about 12 miles) and literally within about 200m of each other. The temp gauge was at about 90, and there was no other warning lights on.
 
L

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Discussion Starter · #4 ·
A quick update...

So I took it to the garage, told them the symptoms, the squeak, cutting out etc. They had a look at it and reckon it's the steering pump causing the issues. He reckoned it was ok to drive so I need to take it back on Wednesday once they have the part.

I'm not 100% sure it'll fix the cutting out issue. I was hoping it was just down to the lack of coolant but I put more in, then coming to work today it cut out again. This time I'd kept an eye on my temp guage and it hadn't got over 80.

Bugger
 
jimmymarsbar

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#5 ·
The video doesn't really suggest much.

As before, the car needs putting on PP2000.

If there's a short on the power steering circuit, it might be causing the ECU to throw a wobbly and cut the engine.

I'd also be looking at why the coolant was empty, especially as you said it was serviced in February.....
 
H

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#8 ·
My car had more or less the same symptoms last week,
The only difference is when I pressed the clutch pedal in the noise got louder which indicated to me that it was the thrust bearing.
My car is still under warrantee so I sent it back to the garage for them to fix.
 
L

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Discussion Starter · #9 ·
Just an update on this as I took it into the garage...

The squeaking and the whining noise was the power steering pump. That's been replaced and the car is back to being quiet now.

The cutting out though... So the last three times it had cut out was at the end of my commute which is about 7 miles of motorway. After the second time I noticed that I had no coolant when so topped it up. Then two days later it cut out again - this time, because of the coolant, I'd kept my eye on the temp guage and it didn't get above 90 before cutting out.

Next day it was due in the garage so as I pulled away I checked where the car was parked and sure enough it was damp. Told the garage when I dropped it off.

Turns out the thermostat housing was leaking. They've fixed that and topped up the coolant and it seems fine now. All in it cost £300 for parts and labour.

It seems too much of a coincidence to have no coolant and the engine cutting out and it not be that. My only concern is that if it was overheating due to no coolant, the temp guage never reported it. Is that possible?

It certainly adds an extra element of excitement to driving when your car can cut out on a whim.
 
I

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#11 ·
I believe the engine has two coolant temperature sensors. One in the thermostat housing ("outlet tank") and one on the cylinder block end above the gearbox. Maybe the sensor which works the temperature gauge had coolant, but the other did not, and that just cuts off the engine if it detects overheat. A bit drastic, without warning. Maybe there's a fault code stored in the engine ECU.

Well, its a theory.
 
L

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Discussion Starter · #12 ·
It's been a few weeks now including a lot of use in Anglesey and giving it a good run out and, touch wood, there's no problems. It's been running a lot smoother as there were a couple of other issues that would occasionally crop up. Sometimes the anti-pollution light warning would appear, the car behave fine then after a day or so it would go away for a while. It also had this weird habit of when in second gear it would feel like the clutch has been pressed and released *really* quickly - like a sudden jolt and that's not happened since either.

I think you might be onto something about the two sensors and there might well have been an error code.

I have noticed the outside thermometer, the one on the passenger wing mirror, is a bit flakely but apparently it's been like that for years. It'll work for a while, then it'll just report 37 degrees on the dashboard.

Just thought I'd post an update in case anyone else has a similar problem.

Thanks for your help everyone!
 
L

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Discussion Starter · #13 ·
And.... I'm back.

So after a good few weeks of smooth running I had the following happen...

Engine cut out while driving and came back on straight away, both times as I was turning. No engine management light on or anything. A week later it cut out again but this time I had to switch it off and back on again.

Then at the weekend I was turning around on some bumpy track and stalled it. When I started it back up again the anti pollution light was back on and it cut out almost right away. It then cut out again a few seconds later and has cut out once more since.

Going to see if I can get some diagnostics run on it.

The only thing that looks a bit suss is that I have a bunch of electrics on the end of the arm that moves when I turn the steering wheel. I'm wondering if something there is shorting it? Will the diagnostics show that up?

Thanks!
 
L

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Discussion Starter · #17 ·
When it cuts out my music goes and I get no power steering or anything. I just get the handbrake light and the battery light on the dash. Sometimes it comes back alive right away or just switching it off and back on again sorts it.

Thanks to storeman tonight for giving the car a good going over and it showed the following faults...

Air conditioning ECU
Remote intermittent fault. Coolant temperature sensor( VAN network) Incorrect value received.

Engine ECU
Permanent fault. Ignition-integrated phase
detection. Coherence.
ECU fault code : P0341
engine speed : 1002 rpm
coolant temperature : 99 deg. C
vehicle speed : 0 k.p.h.
manifold pressure : 350 mbars
richness regulation status : open loop (conditions for switching to a closed loop
not yet satisfied)

I did have the anti pollution light on after stalling it but I don't think that's connected to the cutting out.

The other odd things was the battery voltage hovered around 13.7 volts while the engine was running. If i turned the engine off but left ignition on it would drop to zero over the next second or two. With the ignition on we coukd read the engine ecu once but after that we couldn't read from the ECU until we turned the engine back on again.

Apart from that everything else was running smoothly.

Thanks for any help!
 
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