1998 Subaru Legacy "plug wire resistance reading" Questions

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...subaru legacy outback Have DTC Code PO101, a miss fire in cylinder #1. I have inspected the spark plugs but all are in good condition. A tune up was done approx. 30k miles ago. The fuel filter was ...

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...resistance and they checked good. I noticed that in a lot of the circuitry the ecu and starter relay are involved...... I like you are skeptical that all the sensors are all bad at one time. When I ...

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plug wire using a suitable spark plug tester. Ground the companion cylinder spark plug wire of each cylinder when it is tested. If a strong bright blue spark is present on all of the cylinders, remove

...voltage for the coil. Need to unplug the electrical connection not the plug wire and measure the resistance there and see if you have the 9 ohms of resistance. If you do not then replace the

Question about Subaru Legacy

1 Answer

plug wires and boots? you can test the wire with an automotive electrical wiring instrument that provide a reading on the face of the instrument. Remove the wire totally (one at time, putting one back

...Resistance in your plug wires and plugs will burn a hole through the rotor button take it off and flip it upside down to check Or maybe the cwenter of the rotor under the metal tab is burned through ...

Question about Subaru Legacy

1 Answer

Surprisingly, a coil with high resistance may still fire the spark plug, but the voltage produced will be higher because the current must jump the open wiring in addition to jumping the spark plug gap

...wire would be 12k ohms. Carbon spark plug wires measure about 10,000 ohms per foot when in good condition and the resistance increases over time. Leads can still be quite functional with measurements ...

...coilpack so I know it not that Either the plug wires are worn or the plugs themselves. What are your resistance readings on the coil packs & ignition wires? What condition are the spark plugs

wire running to it. to check sending unit in the tank, locate the closest wiring harness plug (in the trunk/or under car) and disconnect then check gauge reading,remember ignition must be on. try that

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