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engine question - May 10 2008 16:51:50
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hemiguy
Posts: 9610
Joined: Feb. 7 2005
From: Surrey - Now Living in Bradford
Status: offline
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Guys, this one's on behalf of Dek who asked me to ask y'all earlier....
apparently his van is driving 100 miles or so then the speedo starts to read lower than the speed he's doing. Then the van surges and at the same time drunk petrol.
any ideas?
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RE: engine question - May 10 2008 18:37:27
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BKM
Posts: 2581
Joined: Nov. 4 2003
From: The Metrollops that is Northwich
Status: offline
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Dunno about the speedo Dean.
Don't know how old the van is, is it injected? Smacks of management system problem somewhere.
Has the van got an EGR valve on it? Does it run O2 sensors at all? If the EGR valve is bad it may cause surging. Pull the vacuum hose off it and see if it runs without surging, if it does the valve is knackered and it needs replacing.
If the O2 sensors are bad or if say theres a leak anywhere in the exhaust it could fool the management system into thinking that there was a problem and result in erratic surging beacuse its constantly altering the amount of fuel fed in.
Or I could be barking mad. 
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RE: engine question - May 10 2008 20:04:08
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Wobblychef
Posts: 574
Joined: Nov. 8 2005
From: United Kingdom
Status: offline
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Cant answer this right away, but have a sneaking suspicion its same problem I had, will find the info.
In the meantime......if he's stuck/got problems down in Somerset get him to call me and I will see if I can help.
Pete.
01278 652216.
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RE: engine question - May 11 2008 18:49:48
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Dek
Posts: 1954
Joined: Nov. 2 2003
From: United Kingdom
Status: offline
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Thanks guys, I got home with out any trouble at all. Going down was trouble all the way after the first 100 miles. It starts with the speedo jumping from around 60 up to 80 then down to 45 fast, then the van surges and trys to cut out at times. If I then stop for a while it's fine again.
I did try quite a few times on route to talk to a garage owner in Brum. Who has done work on the van at times if and when needed.Must be a busy garage because i can't get past the women on the phone to ask for help.
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RE: engine question - May 12 2008 13:49:38
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Pete
Posts: 2753
Joined: Nov. 2 2003
From: North Wales
Status: offline
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Hicups me thinks..
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