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2003 Discovery 2 Throwing Codes

   
Old Jan 28, 2014 | 04:32 PM
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Default 2003 Discovery 2 Throwing Codes
Hello,

My 2003 Discovery II is throwing 3 codes, they are: p0734, p1171, and p1174.

If anyone knows what these are and what could be causing them, please tell me that would be a ton of help! Thanks.
 
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Old Jan 28, 2014 | 05:19 PM
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P0734 = incorrect ratio (low/dirty tranny fluid, hydraulic control circuit or other mech tranny problem)
P1171 & 74 = your MAF is starting to fail. Can't really clean it so you're looking a a new one.
 
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Old Jan 28, 2014 | 05:53 PM
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Incorrect ratio code also points to MAF.
 
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Old Jan 28, 2014 | 05:57 PM
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You can clean D2 MAFs. It won't fix broken though. But it will fix dirty.
 
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Old Jan 28, 2014 | 08:31 PM
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Alright thank you all for answering, i will check into these problems and hopefully get them fixed.
 
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Old Jul 6, 2014 | 10:02 PM
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Default How can you tell?
Originally Posted by jafir
You can clean D2 MAFs. It won't fix broken though. But it will fix dirty.
How can you tell if it is broken vs dirty?
 
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