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    daddydave0831's Avatar
    daddydave0831 Posts: 1, Reputation: 1
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    #1

    Jan 19, 2009, 04:24 PM
    Hard starting
    A have a 2000 chevy 2500 with a 7.4 motor , starts fine in the mornings . After it has warmed up , the motor has to spin over about 15 times before it will start. No check engine light , 60 psi on fuel pressure , new tune up , new fuel pressure regulator.new coolant temp sender
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Jan 19, 2009, 05:59 PM

    My first thought was the Engine Coolant Temperature (ECT) Sensor. My second thought was that the wrong spark plugs were installed; i.e. not the exact ACDelco plugs that came in the vehicle.
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