2016 Ford Explorer P0340 Cam Sensor

2016 FORD EXPLORER
95,000 MILES • 3.7L • V6 • 2WD • AUTOMATIC
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DANIEL THOMAS
  • MEMBER
  • 2 POSTS
Hey. I'm throwing at P0340 error, Camshaft Position Sensor 'A' Circuit (Bank 1).

None of the information I have found seems to be for the vehicle listed above (Police Interceptor Utility) v6 3.7l. Does anybody have advice or a diagram of where to look so I can replace it to see if it resolves my issue?


Thanks!
Aug 25, 2023 at 7:13 AM
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DANIEL THOMAS
  • MEMBER
  • 2 POSTS
Never mind. I found it myself. I had to look at the Ford Taurus since they both use similar engines. Everything on the internet kept saying Circuit A Bank 1 was located on the passenger side of the vehicle, which was obviously wrong. All 4 sensors are located on the driver side underneath the air intake hose.

This is a picture I found on another forum but here's where they're located for anybody down the road that is looking for them.

Going from left to right, Bank 2 is on the left side of the picture, Circuit B then A. Bank 1 is on the right, Circuit A then B.

What I don't understand is in the other picture I attached, what could cause the sensor to be as damaged as that is. Does concern me that there's an underlying issue and worry now there's debris in the camshaft area.
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Aug 26, 2023 at 1:13 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,691 POSTS
Good job finding the location. I would get a mirror on a stick and use a flashlight to inspect the reluctor wheel on the end of the camshaft, have someone turn the engine over by hand from the front balancer and a breaker bar. It could be the sensor just fatigued and broke. Please let us know what you find.
Aug 26, 2023 at 5:10 AM

Suggested Repair

Inspect the camshaft reluctor wheel with a mirror and flashlight while turning the engine by hand from the front balancer with a breaker bar. The damaged sensor may have simply fatigued and broken; check for debris or related damage before replacing it.

Conversation Summary

The owner of a 2016 Ford Explorer Police Interceptor Utility 3.7L had code P0340 for camshaft position sensor A circuit, bank 1. They found that all four sensors are on the driver side under the air intake hose, contrary to sources saying bank 1 circuit A is on the passenger side, and noted a badly damaged sensor that raised concern about debris in the camshaft area. The expert recommended inspecting the reluctor wheel on the camshaft end with a mirror and light while turning the engine by hand, and said the sensor may simply have fatigued and broken.

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