Question about 1993 Lexus Ls 400

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Engine will not accelerate smoothly and evenly, it chugs along.

After replacing the fuel line and filter the car will not accelerate evenly.My mechanic put my car in a scanner and reveal a # 12 sensor error that read " No RPM signal while cranking.

Lexus LS 400 1993

Posted by rluiggi on

  • Anonymous Mar 31, 2014

    otherwise good power and smooth idle.

    occurs usually after coasting and then with normal acceleration Engine continues to run. Idles smoothly



1 Answer

Jim Goldsmith

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Clean, inspect and, or, Replace your crank sensor or, crank sensor wiring A loose crank sensor bracket or, a start relay has caused this before

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