 | Home > Td5 > struggling to get above 60mph |
 
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| MichaelHead Member Since: 16 Jul 2012 Location: Bucks Posts: 116   
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Try changing the maf
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21st May 2014 7:09pm |
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| Lou Sparts Member Since: 15 Apr 2012 Location: Kent Posts: 1501  
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Should be able to cruise at 70 and do 90 on a good day ! Try unplugging the MAF sensor this will make the ECU use a default setting which if the MAF is at fault will improve the running.
Replace MAF with genuine or OEM only not Britpart  2005 Td5 90 XS
Steve |
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21st May 2014 7:19pm |
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| timtom1 Member Since: 10 Jul 2012 Location: Lancashire Posts: 148 
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have you got a picture of the MAF please? I'm new to this
 Click image to enlarge where would it be placed? 2001 90 TD5 CSW Alveston Red Manual |
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21st May 2014 8:09pm |
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| Lou Sparts Member Since: 15 Apr 2012 Location: Kent Posts: 1501
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The MAF sensor (or mass air flow sensor) is in the trunking from your air filter box on the passenger side of the engine bay at the rear it is held to the air filter box with two over centre catches and has an electrical connection on it, this is what you need to unplug.
Sorry don't have a picture to hand and it's peeing hard out side,so perhaps someone else has one, can prob get a picture up tomorrow if no one else obliges. 2005 Td5 90 XS Steve |
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21st May 2014 8:22pm |
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| JWL Member Since: 26 Oct 2011 Location: Hereford Posts: 3443 
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You can spot it in your photo, the pipe that runs to the front of the engine from the air filter box, the first gadget yo come to is what you're looking for. The electrics plug into it on the engine side, just squeeze the wire clip and pull off the plug, tuck it up out of the way and give the motor a test drive. If it has improved then there is the problem as the engine management unit has gone to a default setting and is not being confused by a faulty sender.
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21st May 2014 8:32pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5843 
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Circled for you
Click image to enlarge 1999 Defender TD5 110 Regards John M0VAZ Econet Station 48 no clock |
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21st May 2014 8:43pm |
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| timtom1 Member Since: 10 Jul 2012 Location: Lancashire Posts: 148
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thank you
 will have a bash tomorrow  could it just need a clean? 2001 90 TD5 CSW Alveston Red Manual |
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21st May 2014 8:57pm |
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| Gareth Member Since: 12 Dec 2011 Location: Bramhall Posts: 1102
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Its a very fragile thing and probably best to replace rather than clean. Having said that, I am sure there are some that have managed to clean theirs successfully. I tried to clean mine with electrical contact cleaner, and made it worse, and had to buy a new one. 2021 Defender 110 X-Dynamic HSE D300 MHEV
1966 S2a 109 aka Betsy 1968 S2a 88 aka Bob 2014 Jaaaag F Type 3.0 Supercharged. |
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21st May 2014 9:29pm |
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| timtom1 Member Since: 10 Jul 2012 Location: Lancashire Posts: 148
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is this a good price
http://www.rimmerbros.co.uk/Item--i-MHK100...tAod5WAAzw 2001 90 TD5 CSW Alveston Red Manual |
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21st May 2014 9:46pm |
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| JWL Member Since: 26 Oct 2011 Location: Hereford Posts: 3443
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Alive Tuning and BAS I'm sure do uprated MAF sensors and it's worth just contacting other forum sponsors up at the top of the page to get a quality item and it will undoubtedly be cheaper than what you have flagged up.
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21st May 2014 10:19pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769 
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As above, lots cheaper from BAS and a site sponsor on here too
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21st May 2014 11:03pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5700 
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Before you replace, just unplug it and do a test drive, otherwise you may just be replacing a good part.
When at top speed is the engine smooth or surging? Could be the turbo actuator. Andy |
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22nd May 2014 7:07am |
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| timtom1 Member Since: 10 Jul 2012 Location: Lancashire Posts: 148
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just done a test drive with MAF plugged in and then unplugged just the same really when I reach 50mph actually it surging its not smooth. 2001 90 TD5 CSW Alveston Red Manual
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22nd May 2014 5:38pm |
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| Lou Sparts Member Since: 15 Apr 2012 Location: Kent Posts: 1501
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Probably not the MAF then ! You could take a look at the red plug on the ECU in the locker under the drivers seat this suffers from oil ingress through the injector harness inside the cam cover (a cheap and easy fix). Easy to check and will be obvious if you have this problem as you will see the plug is wet with oil.
Keep us posted 2005 Td5 90 XS
Steve |
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22nd May 2014 5:45pm |
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