Citrojim's Skoda, Saxo, 207 and Bike Tales

Tell us your ongoing tales and experiences with your French car here. Post pictures of your car here as well.

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CitroJim
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Re: Citrojim's Xantia Tales

Post by CitroJim » 27 May 2012, 21:51

Robyn, Sian and I are now down in Somerset in a TravelBodge for the night before going onto Taunton in the morning. Just come here to rest after seeing dad and discussing tomorrow... Gosh, these Travelodges are soul-destroying places. I have a lovely view of the A303 from my window :twisted:

We had a lovely ride down in the V6, forgot what a lovely car that is on a long run :-D Sian reckons it's smoother than her Pixo :lol:

DickieG wrote:
CitroJim wrote:Typical of that horribly objectionable character to go for Snake Oil rather than doing the job properly...

If it does the job of cleaning the injectors etc without having to go to the hassle of removing them, it sounds rather a good idea to me :?


Call me old-fashioned Richard but I don't trust magic cures that are poured into the engine and promoted by a slippery customer like Mike Brewer; he's wider than the Atlantic ocean... He's the kind of person I have to strongly resist the urge to shake warmly by the neck. I saw him live at the NEC once. I had to leave...

Paul's V6 is suffering high HCs. I will report back on Tuesday as to what we find...
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Re: Citrojim's Xantia Tales

Post by Northern_Mike » 27 May 2012, 23:17

CitroJim wrote:Call me old-fashioned Richard but I don't trust magic cures that are poured into the engine and promoted by a slippery customer like Mike Brewer; he's wider than the Atlantic ocean... He's the kind of person I have to strongly resist the urge to shake warmly by the neck.


I can't stand Brewer either. I'd egg you on..... but only as long as I can have a couple of kicks after you've finished..
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CitroJim
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Re: Citrojim's Xantia Tales

Post by CitroJim » 28 May 2012, 20:48

Activa_Mike wrote:I can't stand Brewer either. I'd egg you on..... but only as long as I can have a couple of kicks after you've finished..


:lol: :lol: :lol:

All back home again after a good trip in the V6...

Life can now return to normal. Or at least what passes for normal around here...
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CitroJim
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Re: Citrojim's Xantia Tales

Post by CitroJim » 29 May 2012, 14:17

Had a good look at Paul's V6 this morning (Old V6) and yes, she was definitely a bit rich. I could smell it and there was a touch of soot in the tailpipes and that's definitely not normal for a V6. I compared with my own. Mine neither smells and the tailpipes are rusty inside.

We swapped the plugs although the old ones looked OK despite their 30,000 miles on them and checked the HT leads. Swapped the air filter and checked for manifold leaks by idling the car with the airbox off and blocking up the idle air intake. The engine stalled quickly showing there was no air getting in anywhere else.

A Lexia session showed the oxygen sensor has recorded at least one instance of an open-circuit oxygen sensor since the last time I looked when the same fault showed. Both times the fault cleared and the Lexia shows a more or less normal output from the sensor if not a tad on the sluggish side.

After a good run I was pleased to detect no smell from the tailpipe and no soot. I smelt long enough that my glasses steamed up!!!

Back for a retest on Friday but not before I have slipped my Lexia on again to see if the oxygen sensor fault has reappeared. If it has then I'm recommending Paul replaces it.

I'm wondering if the ECU registers an oxygen sensor fault it then ignores the sensor and runs a default value that might be a little rich? Anyone know?
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Post by addo » 29 May 2012, 16:45

If it's logged a permanent fault, yes.
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Re: Citrojim's Xantia Tales

Post by xantia_v6 » 29 May 2012, 17:12

Even a temporary fault will cause rich running, as the sensor really only detects a mixture that is too rich, and the ECU then leans out the mixture until the sensor is reading about 50% rich and 50% lean.
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CitroJim
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Re: Citrojim's Xantia Tales

Post by CitroJim » 02 Jun 2012, 09:53

xantia_v6 wrote:Even a temporary fault will cause rich running, as the sensor really only detects a mixture that is too rich, and the ECU then leans out the mixture until the sensor is reading about 50% rich and 50% lean.


That is exactly what is happening Mike. Paul returned from Yorkshire yesterday and his tail-pipes were a little sooty and his exhaust a little smelly. The Lexia showed the intermittent oxygen sensor fault again and although it cleared the sensor was almost static, just hovering around 0.5v with occasional small excursions toward the rich end of the scale.

Paul is getting hold of a new sensor and then we'll fit it. he managed to bag a Bosch one for £43 from carparts4less.co.uk

In other news, the happenings of the past few weeks have caught up with me and I'm presently absolutely exhausted. I've not been on here for three days at all and last evening I fell asleep on the bed at half past 6 and woke up a good 12 hours later :shock: I still feel exhausted but a little less then I did! Energy levels are hovering around zero :evil:

I shall do my best to try and catch up in the next few days. Thanks goodness we have a long bank holiday weekend and it can rain as much as it likes as far as I'm concerned. I'm just resting. I want to be fully fit for DSM :)
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CitroJim
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Re: Citrojim's Xantia Tales

Post by CitroJim » 03 Jun 2012, 10:15

Had a good bit of fun replacing Xantia_V6s front wheel bearings yesterday... So much for a rest day :twisted:

Both ABS sensor bolts sheared and needed careful drilling out and re-tapping and both old bearings were very happy where they were.

The poor old press red-lined at 10 tons several times before they decided it was wise to take the hint and get moving. So much force was needed that both gave a spectacular spray of exploding balls as the top inner race forced itself through to the bottom race. I ended up will balls all over the workshop. :lol: :lol: :lol:

My poor old press, after a good number of fights, really is looking the worse for wear. The movable press-bed has a distinct bow in it and I've now turned it upside-down to try and un-bow it :roll:

Still, it's an invaluable tool and has worked hard these past few years. One of those tools it would be impossible to live without now...

Today I really am resting :)
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Post by addo » 03 Jun 2012, 11:11

A friend once accidentally crushed the steel fuel line under his car in a concealed location. Would barely start, let alone hold a fast idle. Before he'd found the damage, he complained "I've got pressure but no flow".

This, I pointed out, was the Bachelor's Lament.

Along such lines, I am sure this fellow would empathise with your balls exploding.
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CitroJim
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Re:

Post by CitroJim » 03 Jun 2012, 11:14

addo wrote:Along such lines, I am sure this fellow would empathise with your balls exploding.


:rofl:
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Re: Citrojim's Xantia Tales

Post by myglaren » 03 Jun 2012, 15:41

Nice if unplanned work Jim, should last a while now :)
CitroJim wrote:Today I really am resting :)

And hoping Malcolm doesn't read this post :twisted:
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CitroJim
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Re: Citrojim's Xantia Tales

Post by CitroJim » 03 Jun 2012, 17:36

myglaren wrote:And hoping Malcolm doesn't read this post :twisted:


I know, always a big worry...
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Re: Citrojim's Xantia Tales

Post by RichardW » 03 Jun 2012, 21:38

CitroJim - the only man who considers resting is changing front wheel bearings on a V6 Xantia :-D
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CitroJim
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Re: Citrojim's Xantia Tales

Post by CitroJim » 03 Jun 2012, 21:46

RichardW wrote:CitroJim - the only man who considers resting is changing front wheel bearings on a V6 Xantia :-D


Ahh but I was resting Richard... Mike did all the hard graft. I just made tea, operated the press and tapped a couple of threads :wink:
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Re: Citrojim's Xantia Tales

Post by vince » 03 Jun 2012, 22:00

Hi Jim,

Keeping busy as usual :) It will be interesting to see if the replacement lambda cures the fault. I come across loads of these kinds of faults through work speaking to mechanics every day. The problem with lambda fault codes is whether they are the cause or the effect of the problem. We have a new system at work which has been developed by Carweb and is now exclusive to GSF. It has been designed by mechanics and tech people alike to outperform autodata and is taking the industry by storm behind closed doors :wink:

If a replacement lambda doesnt cure the fault then if you PM the P code for the fault i can input this into the system and it will walk me through step by step all the possible causes of that code on that vehicle and include how to investigate each avenue. It really is very special in its capability...so much so that autodata have taken the hump in a big way :) Im pretty sure i can email the processes aswell.

Im not sure what other sensors are involved in the induction, ecu and fueling system on that engine but often the lambda fault pops up as an after effect of the original cause. It being intermittant definately points towards an electrical issue at some point. Often with these faults, the air mass readings become "unclear" to the ECU....usually air mass sensor or intake manifold pressure sensor if fitted. In these cases the ECU not being entirely sure of the volume of air entering the engine, makes its best guess and tends to overfuel to ensure the vehicle keeps running to get the occupants to their destination. Soot, rich fuel smell and poorer mpg's tend to follow. Emissions are then thrown out of normal levels and if run like this for a long time the lambda in the system, being forced to work outside of its normal working range, tends to either throw up the fault code or fail entirely.

I might be wrong, but thats how most vehicles i come across tend to be behaving. Your ocilloscope would probably come in handy testing individual sensor performances if you cant remotely test them with the lexia.

It will be interesting to see what cures it....
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