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Any one have an Idea of whats causing this? I have a cel for code 71, i just tested my EGR and it seems to be working fine
 

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Check the vacuum hose from the brake booster to the intake manifold...
 

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Yep, it is related to a vacuum leak in the power brake booster. Check the vacuum hoses to the booster; you may have a bad booster diaphram.
 
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John Luttrell
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