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    billwebster's Avatar
    billwebster Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 1, 2013, 06:06 PM
    Adjust headlights 2010 chevy truck
    I have a 2010 chevy Silverado, the truck seems to be low on power, surges a little between 20 & 60 MPH, the truck also down shifts early.
    odinn7's Avatar
    odinn7 Posts: 7,691, Reputation: 1547
    Entomology Expert
    		  
    #2

    Jan 1, 2013, 09:17 PM
    So what does this have to do with the headlights as the title suggests?
    RickMN's Avatar
    RickMN Posts: 244, Reputation: 52
    Full Member
    		  
    #3

    Jan 5, 2013, 02:47 PM
    First thing you should do is clean the MAF sensor with spray MAF sensor cleaner. Computer uses that input to determine shift points. If it has crud on it, you'll get hard shifting. Let it go on too long and it can destroy your transmission.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #4

    Jan 5, 2013, 04:30 PM
    Concur with RickMN regarding the MAF Sensor. If cleaning it doesn't work, don't install a remanufactured MAF Sensor. My experience has been awful; instead, go OEM. Also, check the MAF Sensor Connector. An advanced scan tool, with pending code capability, is invaluable is troubleshooting MAF Sensor problems.
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