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Old 30-11-12, 10:31 AM   #1
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Default Expert Van, occasional smoking.

'S' reg Expert 1.9 diesel, non turbo.

Thanks to advice from you guys my van's now starting fine but has developed another occasional fault.

Sometimes straight from start up and sometimes after a little 'jerk' while driving slowly I get a slight splashy mis-fire and belching blue smoke from the exhaust. If I stop and then re-start the engine it usually goes away.

I'm thinking along the lines of maybe something going wrong in the engine's breather system, a sticking valve or collapsing hose (?) but access isn't good and I don't want to start skinning my knuckles and pulling parts off at random. The engine doesn't use any oil between oil changes.

Anyone got any clues?

Thanks in advance!
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Old 30-11-12, 09:49 PM   #2
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What is the last 8 digits of the chassis number
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Old 30-11-12, 10:04 PM   #3
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12466229
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Old 01-12-12, 10:14 AM   #4
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The egr valve is leaking i'd say. Block it off with a screw about an inch and a half long driven into the green cap on the side of the egr valve.
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Old 01-12-12, 10:45 AM   #5
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Quote:
Originally Posted by davidireland View Post
The egr valve is leaking i'd say. Block it off with a screw about an inch and a half long driven into the green cap on the side of the egr valve.
Where do I find that friend? Is that the one on the intake manifold with a little wiring plug and a single small vacuum (?) going to it?

Last edited by Manxdavid; 01-12-12 at 10:53 AM.
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Old 01-12-12, 09:10 PM   #6
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I would look at the vacuum hoses first for splits or holes. Then if you cannot find any problems with the hoses try a secondhand egr unit.
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Old 01-12-12, 09:20 PM   #7
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I had a look just before it went dark and found that the small vacuum hose that goes to the bottom of the egv has been broken off at some time and cocked up with a bit of thin pipe (Biro inner maybe?) and some ptfe tape so it was just basically just waggling around loose. I'll try to fix it better with some Araldite and a better bit of pipe tomorrow until I can pick up another valve. I'll let you know how it goes, thanks for the advice.
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Old 02-12-12, 10:46 AM   #8
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OK so I had no luck bonding anything onto the broken vacuum stub so I've jammed the valve shut as davidireland suggested. It starts fine and seems to run a lot better, I'll try to pick up a s/h egr in the week. Are they colour coded? Mine's black but I've seen blue and green on eBay etc? Do I need the correct colour?

Ta, David.
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Old 02-12-12, 10:20 PM   #9
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I have no idea....
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Old 03-12-12, 05:15 AM   #10
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No worries mate.
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