L81318221A Mazda SENSOR,CRANKSHAFT POSI, Price: 51.82$, Weight: 0.261kg


Make Number Name Availability Weight, kg Ship in, Days Price

Mazda

L81318221A

SENSOR,CRANKSHAFT POSI

0

0.261

 Dispatch 24h

51.82$

Not Available

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Mazda
L81318221A 
SENSOR,CRANKSHAFT POSI
1
0.3
2-3
50.80$
 

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
Mazda
L81318221 
WHEEL,SPROCKET
0
0.044
-
64.25$
Not Available

Compatibility

CarlineCatalog NoProduced FromDestination RegionDriveModel YearDiagram
GYEW 100001AJGV0705.2002JapanRH.14 View
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GGEP 100001AJGA0903.2002JapanRH.14 View
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EP3WF 100001AAEW0211.2003JapanRH.15 View
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LWAELV0509.2003EuropeL2003 View
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EPFW 200001AJEV0210.2003JapanRH.15 View
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GG CHINAALGAC112.2002General/ChinaL2002 View
CarlineCatalog NoProduced FromDestination RegionDriveModel YearDiagram
GYALGVB307.2002General/ChinaL2002 View
CarlineCatalog NoProduced FromDestination RegionDriveModel YearDiagram
UPALUA0910.2011General/ChinaL2011 View
CarlineCatalog NoProduced FromDestination RegionDriveModel YearDiagram
EPALEVD202.2004General/ChinaL2004 View

Crankshaft Position Sensor

This sensor is a key input for the engine computer. It tells the ECU the exact crankshaft speed and position so ignition timing and fuel injection happen at the right moment βš™οΈ. Without a clean signal, the engine cannot β€œsync” correctly, especially during starting and acceleration.

Why this part is needed

Modern Mazda/Ford-based systems rely on precise crank data to control spark, injector pulse, misfire detection, and sometimes automatic transmission behavior. A stable reading improves cold starts, smooth idle, and fuel economy.

How it works

The sensor reads teeth on a trigger wheel at the crank. As the wheel passes, it generates a pulse signal. The ECU counts these pulses to calculate RPM and uses reference gaps to identify cylinder position .

What happens if it fails

A weak or dead sensor can cause no-start, sudden stalling when hot, rough running, hesitation, misfire codes, or a flashing/check engine light . In severe cases the ECU cuts spark/injection for protection, leaving you stranded.

Compatible Models

  • Escape
  • Tribute
  • Atenza Sedan/Sport
  • Atenza Sport Wagon
  • Mpv
  • 6
  • 6 Wagon
  • Bt-50