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Re: Losing Vref: Why?
Discovered that the 5V reference can quit due to voltage spikes or interference. The #7 coil's spark is intermittently jumping from the "laminated winding frame" about 2mm to the valve cover. Throw in a broken ground strap across top center valve cover bolt, a... Login to read more. 
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| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2003 Dodge Ram 1500 SLT 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
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