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    Jason35's Avatar
    Jason35 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 26, 2013, 07:59 PM
    Starving for fuel
    I have a 1994 mazda b3000. I changed the oil and thermostat and now when I start my truck cold, it does fine for 20 or so seconds then acts like its starving for fuel. Then I feather the gas and drive away. After a couple of minutes driving, the problem is gone. Idles fine at stops. Any ideas?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Jun 27, 2013, 05:19 AM
    Replace the Engine Coolant Temperature (ECT) Sensor, which affects fuel injector pulse width. The ECT Sensor is a temperature dependent resistor (thermistor), whose resistance decreases as the engine coolant temperature increases. It provides a richer mixture when cold, leaner mixture when hot. They become corroded, due to not changing the coolant frequently enough, flood the engine, and waste a tremendous amount of fuel.

    Ensure you installed the correct temperature rating thermostat (OEM) for your truck and that you installed it correctly.
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #3

    Jun 28, 2013, 05:10 AM
    It might be time to have the throttle body inspected and cleaned as necessary. Maybe the injectors, too.
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