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

Replaced plugs and wires, still running rough?

Old 04-19-18, 02:56 PM
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stoney1997
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Default Replaced plugs and wires, still running rough?

Just switched out my spark plugs and wires, almost started it before realizing I accidentally switched up two wires and fixed that. Started the car, and it does a *POP* Starts up and the car idles really rough now. Been at it for 3 hours and cant find the issue.

Seeking immediate help 😤
Old 04-19-18, 05:17 PM
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oldskewel
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Maybe you still have a pair of wires switched? The following pic might help.
You did not take the distributor caps off, right? If you did, I believe it is possible to reinstall the rotor 180* out of phase, which would of course cause problems.
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