Ducato wipers work when the ignition is turned on but not when the engine is running!

gasgas said:
We all need to go on a two week CANbus training course. Then buy ourselves a nice SnapOn £4500 diagnostic computer. Then we will be able to fix the faults ourselves without shelling out thousands of pounds to incompetent garages.
I wouldn't be surprised if there are CANbus training courses on youtube. I must take a look.

This is a good example of correct diagnosis from a lying analyser: My daughter's car had the engine light on. I plugged in my crappy £35 analyser and it said "Cam Position Sensor faulty". So I went on ebay and bought a new £85 cam position sensor. Deleted the alleged fault out of the car's computer, fitted the new position sensor, turned on the engine, drove down the road and lo and behold, the engine warning light came on. I took it to a garage on a farm and he said :" oh yes, it isn't the position sensor that's faulty, it is the chain tensioner that is stuck. This puts the cam position out because the chain isn't putting the cam where it should be. It's the V V T system that varies the cam position according to the throttle position". He fitted a new chain tensioner and all was fine. Thus he has my future custom.
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I think I'll let you go on the course and fork out the £4500 and then I'll just pop up to you and borrow yours if that's OK?
 
I have put it on here before about wiper motors. They are different to most other equipment as they are permanently live with th ignition on. In order to self park there is a slip ring inside on the gear and there is nylon insulating part of the ring the switch makes Circuit but when turned off the slip ring gives an earth until the insulated part is reached. If the earth wire is faulty the motor will run on. Check the earth with a Meter and put another wire direct to earth on the chassis.
 
GWAYGWAY said:
I have put it on here before about wiper motors. They are different to most other equipment as they are permanently live with th ignition on. In order to self park there is a slip ring inside on the gear and there is nylon insulating part of the ring the switch makes Circuit but when turned off the slip ring gives an earth until the insulated part is reached. If the earth wire is faulty the motor will run on. Check the earth with a Meter and put another wire direct to earth on the chassis.
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That reminds me as mine dont park properly, must be lady wipers,head down now. :eek:
 
Another car and another garage: My diesel car coughed and spluttered. I took it to a village garage and he plugged in his analyser which said 'faulty EGR valve" so he changed the EGR valve. £450. The car coughed and spluttered so he plugged in his analyser which said 'faulty EGR valve'. What the stupidly expensive analyser should have said was "EGR valve not opening'. Then he might have looked for the reason for it not opening instead of just 'it's faulty' so change it. The fault was the EGR valve computer controller. £500. So that was a £950 bill. I won't go on, but when I was threatened with another computerised £1000 bill (for the ABS pump) I sold the car without having it done. Later I went back to the garage who sold the car for me (a different garage) and asked what the outcome was. "I sent it to a ABS pump repairer and it came back absolutely fine. The fault was a sensor".
So I went out and bought a 40 year old Mercedes with no electricity that Faraday would not understand. Windey up windows, pull open sunroof, key-in-the-door locks, switch to turn on the lights and another for the wipers, and so on. It's loverrleey.
 
The plug in computers can only be as good as the bloke who wrote the program.....I suspect it was a computer nerd who has never seen a rusted earth rather than an experienced mechanic
 
gasgas said:
Another car and another garage: My diesel car coughed and spluttered. I took it to a village garage and he plugged in his analyser which said 'faulty EGR valve" so he changed the EGR valve. £450. The car coughed and spluttered so he plugged in his analyser which said 'faulty EGR valve'. What the stupidly expensive analyser should have said was "EGR valve not opening'. Then he might have looked for the reason for it not opening instead of just 'it's faulty' so change it. The fault was the EGR valve computer controller. £500. So that was a £950 bill. I won't go on, but when I was threatened with another computerised £1000 bill (for the ABS pump) I sold the car without having it done. Later I went back to the garage who sold the car for me (a different garage) and asked what the outcome was. "I sent it to a ABS pump repairer and it came back absolutely fine. The fault was a sensor".
So I went out and bought a 40 year old Mercedes with no electricity that Faraday would not understand. Windey up windows, pull open sunroof, key-in-the-door locks, switch to turn on the lights and another for the wipers, and so on. It's loverrleey.
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Is it not clean rotten underneath, most cars here are rusted with the damp air we have.
 
ricc said:
The plug in computers can only be as good as the bloke who wrote the program.....I suspect it was a computer nerd who has never seen a rusted earth rather than an experienced mechanic
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It's worse than that Jim

it's all copied but to avoid fraud etc charges it has to be altered to be different and they all copy each other, not sure if Ford et al sell analysers to the trade, if not it all starts with guesswork and assumptions.

The above is based on zero knowledge of the industry.

Liz and I (well me mainly) looked at an A reg Mercedes estate on my birthday when we were over at Lords antiquey place in Ingleton, I was saying to her that if it goes wrong most parts are still being made and if I won the lottery I would like to buy something decent from that era, fuel economy isn't great but it doesn't cost thousands to fix because a resister blew.

And I like the look of the early Mercs anyway.
 
Or you could buy a car with a decent engine at the correct end.
yellow skoda.jpg
 
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