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Tachometer at Zero while cars running

  

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Hi Scotty:  2013 Hyundai Elantra 1.8L  185000  Two times now, Tachometer reads zero after hard start.  Sluggish acceleration.

Two aftermarket supply stores scanner registered codes P00335  Crankshaft Position Sensor and P0106 MAP sensor

VIN 5NPDH4AE1DH442743 Manufactured in Alabama


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Posted by: @ricjkl

codes P00335  Crankshaft Position Sensor

Post the correct code

P0335 (4 numbers)

and the FULL description please

"P0335 Crankshaft Position Sensor A Circuit Malfunction"

 

Follow the 'Possible Solutions' here: https://www.obd-codes.com/p0335


1

The tach probably gets its signal from the crank position sensor. You might want to do a full diagnostic scan, checking live and freeze-frame data.


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