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2017 Transit 150 camshaft sensor trouble

Stuart1

Member
Joined
Jun 27, 2025
Messages
7
I've got a 2017 Transit 150 with the 3.7L engine. Bought it in October 2020 with 50,000 miles now it's around 61,000. A few days ago, the check engine light popped on, I scanned it and got codes P0345 and P0349, both related to the Bank 2 Camshaft Position Sensor A. I spoke with our longtime mechanic, he's easing into retirement and he hooked up his Snap-on scanner. Unfortunately, it didn't show much beyond the basics, and he's more familiar with the 3.5L engines. He did check shop time and it looks like replacing the sensor is supposed to take only about 0.6 hours. I've spotted a harness on the driver's side, rear of the engine, but can't clearly see the sensor itself. There's no space from underneath either, has anyone tackled this job before? Would love any advice or tricks to reach that sensor.
 
You're looking for the sensor on the driver's side, near the back of the cylinder head so it's best to try accessing it from above.
You might have to remove some of the air intake plumbing and possibly the coil pack on the very back cylinder to get a clear line of sight and enough room for your hands.
If you're really set to do this yourself, a good angled mirror and some patience will be your best tools here.
You can likely get it done, but it's not as quick as the book time suggests.
But honestly, don't hesitate to take it to another shop if you feel you're in over your head!
 
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