Ask Experts Questions for FREE Help !
Ask
    Gary Clifton's Avatar
    Gary Clifton Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Sep 30, 2012, 03:17 PM
    Coil pack stopped firing.
    I have a 1992 ford ranger 2.3 and a guy ran a wire from egr valve power wire to possitive battry post while truck was running and the coilo pack that operates the intake side of engine stopped firing. I have went from changing coil pack to changing icm still want fire,what could it be?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Sep 30, 2012, 03:56 PM
    . Verify that the Check Engine Light (CEL) comes on and goes off, when the ignition switch is turned to ON. If not, the ECM may have been damaged.

    . Check all under hood and under dash fuses with a test light or multimeter--be very thorough.

    . Check for codes.

    . Focus on the Crankshaft Position Sensor (CKP), which provides the trigger signal for the ICM "switching off" current to the ground wire of the primary coil, causing amperage to go to zero. When this happens, 12 to 14 volts in the primary coil is "stepped-up" to 30,000 volts in the secondary coil. This process creates a "type" of alternating current required for the coil (step-up transformer) to work. In a properly working ICM, timing is precisely when needed to fire each spark plug. Replace the CKP, if necessary.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Has my Mirena Coil stopped working? [ 0 Answers ]

I've had my Mirena Coil in for about 5-6 months now (first one I've had) and all is going fine. To start with I had no bleeding at all and my periods didn't cause any bleeding, but this week I started bleeding again, very lightly compared to a normal period but enough. I've been bleeding on and off...

My 92 accord won't start coil has power igniter is good but no fire from the coil [ 4 Answers ]

Please help need suggestions asap call r text asap 3372131323

Goodman gas pack not firing [ 1 Answers ]

I own a Goodman Gas pack model GPG1024 that has failed 4 times in the past month. It usually goes out during the night. I find that the blower is running but no ignition is occurring. On the circuit board the LED light is flashing twice signifying the pressure switch is stuck open( I don't...

New Outside Condsing Unit, Bad indoor Coil - Go with Heat Pump or Buy New Coil? [ 7 Answers ]

Hi All, Here is my issue. Recently, our home warranty company paid to replace a 25 year old 7 SEER Borg Warner outside unit, but swore up and down that the indoor Borg Warner Coil would be OK with the new 10 SEER Carrier. We no longer have this home warranty company and they are not standing...

1996 Honda Civic, the coil is not firing [ 9 Answers ]

The coil is not firing on my son's 1996 Honda Civic. Please help!

View more questions Search