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Home >> Lexus >> 1993 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Symptoms >> Poor DRIVEABILITY >> Surging

Poor DRIVEABILITY: Surging

Check switch condition signal. See CODE 51 in appropriate TESTS W/CODES article.
Check fuel system circuit.
Check distributor.
Check spark plugs.
Check injector circuit.

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