1998 4.6 no spark
1998 4.6 no spark
this truck don't have any spark, a noid light will flash 3 times, then quit until I turn off the key and try it again, the crank sensor is new and with a break out box hooked up I get steady a/c voltage, there is good fuel pressure, and with the ids hooked up I only get a second or so of cranking rpm, no trouble codes, at times it will try and start when letting off the key after cranking it, I tried a different computer with no change
You may have had it ON, but if the switch is bad it may not be closing all the required contacts. It may have a loose or dirty/corroded connector.
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well I got it running again, the shop that worked on it before it came to me replaced a lot of parts, the replaced the crank sensor along with the connector for it, and when they made the connections they reversed the 2 wires, I put them the other way and it started right up







