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SportTrac Discussion
General Sport Trac Discussion
l1tech question 05 ST
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<blockquote data-quote="scott degroot" data-source="post: 991893" data-attributes="member: 66039"><p>The check engine light is coming on so we know that the pcm is turning on.</p><p></p><p></p><p></p><p>The power wire to the ignition coil is red with a light green tracer on it, there should be 12 volts on that wire with the key on and also while cranking. The other 3 wires at the coil respectively control the appropriate coil pack however you would need a scope to see the signal on these wires.</p><p></p><p></p><p></p><p>When you crank the engine does the fuel pump stay engaged?</p><p></p><p></p><p></p><p>When you crank the engine does the check engine light turn off while cranking?</p></blockquote><p></p>
[QUOTE="scott degroot, post: 991893, member: 66039"] The check engine light is coming on so we know that the pcm is turning on. The power wire to the ignition coil is red with a light green tracer on it, there should be 12 volts on that wire with the key on and also while cranking. The other 3 wires at the coil respectively control the appropriate coil pack however you would need a scope to see the signal on these wires. When you crank the engine does the fuel pump stay engaged? When you crank the engine does the check engine light turn off while cranking? [/QUOTE]
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SportTrac Discussion
General Sport Trac Discussion
l1tech question 05 ST
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