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    jdog4884's Avatar
    jdog4884 Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Jan 16, 2009, 09:14 PM
    95 blazer no start
    Replaced plugs,cap,rotor,wires, coil,cam sesor,spider,nut kit, and now this blazer will not start have 58 lbs fuel pressure need help
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Jan 17, 2009, 02:55 AM


    . Test all underdash and underhood fuses with a test light or multimeter:

    https://www.askmehelpdesk.com/cars-t...tml#post252145

    . Check for power to the distributor. If none, check ignition switch for wear, pitting, or melting.

    . Replace the Ignition Control Module:
    While we find your parts, please enter your ZIP Code at PartsAmerica.com
    jdog4884's Avatar
    jdog4884 Posts: 3, Reputation: 1
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    #3

    Jan 17, 2009, 05:58 PM
    Quote Originally Posted by txgreasemonkey View Post
    Replace the Ignition Control Module:
    While we find your parts, please enter your ZIP Code at PartsAmerica.com
    Just tried it again and now I got no spark nothing out of coil like I said I replaced all spark parts what does ICM do
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #4

    Jan 17, 2009, 06:14 PM

    The ICM (ignitor) causes the coil to spark. ICMs are the most problematic ignition component and should be replaced every 120,000 miles or 10 years, whichever comes first. You've likely joined legions of people whose ICM has failed, often at very inopportune times. Heat destroys the microchip inside. Super simple to replace--disconnect the negative battery cable first.

    Did you test all underdash and underhood fuses? Would your Blazer start, before you worked on it?
    jdog4884's Avatar
    jdog4884 Posts: 3, Reputation: 1
    New Member
    		  
    #5

    Jan 17, 2009, 08:49 PM
    Quote Originally Posted by txgreasemonkey View Post
    The ICM (ignitor) causes the coil to spark. ICMs are the most problematic ignition component and should be replaced every 120,000 miles or 10 years, whichever comes first. You've likely joined legions of people whose ICM has failed, often at very inopportune times. Heat destroys the microchip inside. Super simple to replace--disconnect the negative battery cable first.

    Did you test all underdash and underhood fuses? Would your Blazer start, before you worked on it?
    Blazer would start before I replaced cpi and nut kit (this was friday) I don't have icm,horizontal cap its cam sensor in there and that's new that was code on obd tester before I replaced cpi will check fuses and wire connects tomorrow just dumped 850 into this thing in last two weeks and now no start ( ready to have bonfire ha,ha )still have to change oil its all filled with gas want to here it run first though
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