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P0440 , P0740 code

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Old Jun 21, 2009 | 11:13 AM
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Default P0440 , P0740 code

hi, this is on a 98 chevy blazer 4.3, auto 4x4.
evap emission control???
what should i look for?

tcc code? would that be the tcc solonoid?
The trans was swapped last yr, in which i believe the TC is a mismatch.. Trans-go has a fix for that if thats the problem.
 
Old Jun 21, 2009 | 12:00 PM
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Have you read these threads?

P0740 Explained

P0440 Explained
 
Old Jun 21, 2009 | 12:51 PM
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no i have NOT, thanks
 
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