Where is the Crankshaft Position Sensor located?

2015 BUICK ENCORE
70,000 MILES • 1.4L • 4 CYL • 2WD • AUTOMATIC
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KYRON TAYLOR
  • MEMBER
  • 1 POST
The engine cranks no run. Code P0420. 50 PSI fuel rail. Brand new AC Delco plugs and coil pack. I was told to change the crank sensor but cannot locate it. Please help.
Sep 13, 2023 at 4:53 PM
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JACOBANDNICKOLAS
  • ASE Certified Mechanic
  • 110,193 POSTS
  • ASE Certified Mechanic
Hi,

The crankshaft position sensor is located between the starter motor and transmission. You will need to remove the splash shield under the engine compartment to access it.

Since your vehicle is a 2wd, that makes this job much easier. Take a look at the picture and directions below for replacing it.

Next, the code you have, P0420, is specific to a failing catalytic converter. This can be an expensive repair, but it should still be under factory warranty. The catalytic converter is covered for 8 years or 80K miles, so contact a dealer regarding this code. See the last pic below.

Let me know if this helps or if you have other questions.

Take care,

Joe
Sep 13, 2023 at 7:46 PM
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