LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

98+ Ignition Coil-test?

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Old 12-05-14, 04:39 PM
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aquaht1h
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Question 98+ Ignition Coil-test?

How can I test my direct ignition coil on my 1998 Lexus ls400 ?

Last edited by RA40; 12-07-14 at 07:43 PM. Reason: descriptive title
Old 12-07-14, 07:42 PM
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RA40
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Is the car running rough? If the coil has failed you would get an error code: P1354 and or P030X (X-indicates cylinder) misfire.
Old 12-07-14, 09:54 PM
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Yamae
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Instead of a spark plug use a half inch air gap to spark in the air. A good ignition module can spark even the gap is more than that.
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