Wont start 2003 GMC Sonoma

My 2003 GMC Sonoma all of a sudden won’t start I’ve replaced the crankshaft sensor 3x could it be the ECM. I just replaced the crankshaft sensor in February and April this year and October of last year also brand new distributor cap in February of this year and New fuel pump and filter last november
My car has an automatic transmission.

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roni07881 week2 Answers22 viewsMember0

Answers ( 2 )

  1. Hello

    Can you see if the tachometer is moving when you are cranking the vehicle? If it’s not moving, yes there is probably a problem with the wires to the crankshaft sensor.

    Any trouble codes stored in the engine control unit?

  2. My 2003 GMC SLS Sonoma won’t start all of sudden again I’ve replaced the crankshaft sensor 3 timestimes  it be the ECM needs to be replaced? I even unhooked negative post for 30minutes and still won’t start but crank

    I just replaced the crankshaft sensor in February and April this year and October of last year also brand new distributor cap in February of this year and New fuel pump and filter last november
    My car has an automatic transmission

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