MZ/MuZ Riders
A community for owners and riders or MZ Motorcycles, Scooters, and ATVs.
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6 posts
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Re: lamba sensor
by boilermaker » Thu Sep 02, 2010 2:41 pm
Tom
The symptoms that you describe are similar to those caused by a pencil coil breaking down. If the Lambda sensor breaks down then the fuelling will be out of kilter but not as dramatically as you have described. If a coil has/is going down then the Lambda sensor may also have been damaged. I would look at the coils first Tom. Oh and I almost forgot, take a look at the small vacuum hoses running from the bottom of the Airbox to the two induction stubs as they seem to be made from left over rubber from Pnuemant (quick rot) tyres.
George
The symptoms that you describe are similar to those caused by a pencil coil breaking down. If the Lambda sensor breaks down then the fuelling will be out of kilter but not as dramatically as you have described. If a coil has/is going down then the Lambda sensor may also have been damaged. I would look at the coils first Tom. Oh and I almost forgot, take a look at the small vacuum hoses running from the bottom of the Airbox to the two induction stubs as they seem to be made from left over rubber from Pnuemant (quick rot) tyres.
George
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Re: lamba sensor
by tomtom » Thu Sep 02, 2010 4:34 pm
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Last edited by tomtom on Sun Dec 04, 2011 9:52 am, edited 1 time in total.
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Re: lamba sensor
by boilermaker » Fri Sep 03, 2010 4:16 am
Tom
Fuel injection light? Soot on the Lambda sensor would only act as a mechanical barrier to its function, the real problem occurs when the soot is heated to an incandescent temperature on the surface of the probe. This is when thermal damage occurs. You can try substitutional diagnostics using a second hand probe (if you can find the correct one). Do you not have a cheap fault code reader? For my money they should have been supplied with the bike or built in to the LCD display. I got mine for £30 on e-bay. Did you check the hoses?
George
Fuel injection light? Soot on the Lambda sensor would only act as a mechanical barrier to its function, the real problem occurs when the soot is heated to an incandescent temperature on the surface of the probe. This is when thermal damage occurs. You can try substitutional diagnostics using a second hand probe (if you can find the correct one). Do you not have a cheap fault code reader? For my money they should have been supplied with the bike or built in to the LCD display. I got mine for £30 on e-bay. Did you check the hoses?
George
- boilermaker
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- Joined: Sat Nov 10, 2007 3:22 pm
- Location: Harbertonford, Devon, UK
Re: lamba sensor
by iceman » Fri Sep 03, 2010 9:30 am
Tom.,
I thought you sold your MZ ???
I thought you sold your MZ ???
You're just left with yourself all the time, whatever you do anyway. You've got to get down to your own God in your own temple. It's all down to you, mate.
John Lennon
John Lennon
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iceman - Posts: 848
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