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So im getting code P0441( Evap Emission System Incorrect Purge Flow) which is causing it to run lean in Banks 1 and 2. What's causing it and how do I go about fixing it? Im also having a problem after I fill up on gas and try to start the car it cracks but wont turn over. Ill crank it 3 times and give it a little throttle it will start but once I let go it idles really bad before cutting off. But anytime I start my car after that it starts up fine with no problems. Not sure if the two problems are related. Any help or advice is appreciated.
 

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441 code will not cause a 171 and 174 code. You have a hose cracked or off at the engine. That is causing the 171,174 codes. The 441 can be can be a poor gas cap seal or a bad seal on one of the purges. It can even be a crack in a hose for the evap system. Could even be the overflow vent on the tank. Or even a crack in the charcoal canister.
 
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