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2010 Malibu LT 2.4
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2010 Malibu LT 2.4. 147k miles. Recently replaced the throttle body, exhaust manifold, up and downstream O2 sensor, Catalytic converter, exhaust flex hose, catalytic converter, MAF, and all associated gaskets with previously mentioned equipment. I am now getting a P0171 code and everything in my code reader shows as passing. Any ideas or suggestions on what this could be?
 

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2011 Malibu LTZ 3.6L V6 Red Jewel Tintcoat
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17,987 Posts
Have the injectors been cleaned or diagnosed for proper action?
 

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1,557 Posts
Did you use AC parts ? Aftermarket like Duracrap are not reliable electrical parts and I've had bad parts out of the box making me crazy. Learned that a long time ago.
 

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my daughter's 2.5 just did this fixed it last night all the intake bolts were about to fall out
 
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