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RPS Sensor Mercruiser 3859020 3858987 Review

2

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Average

Revainrating 3 out of 5  
Rating 
3.0
🔬 Automotive Sensors, 🛠️ Replacement Parts

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Description of RPS Sensor Mercruiser 3859020 3858987

New TMAP sensor used by Mercruiser and Volvo Penta. Replaces Mercruiser part number 885165, 8M0087834. Replaces Volvo Penta 3859020 3858987. Replaces PCM and Crusader R020039. Replaces Marine Power 462717.

Reviews

Global ratings 2
  • 5
    1
  • 4
    0
  • 3
    0
  • 2
    1
  • 1
    0

Type of review

Revainrating 2 out of 5

Faulty RPS Sensor, Don't Buy

As a result of my tests, I determined that this Automotive Sensor is a complete waste of money. The sensor failed to provide accurate readings, leading to multiple engine malfunctions. The only pro was that it was easy to install but this small benefit was absolutely overshadowed by the cons... Do yourself a favor and save yourself the headache- stay away from this disappointing auto sensor..

Pros
  • Accurately measures rotation per second for better engine performance
Cons
  • Requires purchase and installation of additional components for compatibility

Revainrating 5 out of 5

The absolute pressure sensor is better than the volvo sensor on my boat.

I purchased this MAP sensor after learning about a MAP I was having trouble with on my boat. My engine is a Volvo Penta 5.0GXi. This MAP sensor is exactly the same as the 4.3/5.0/5.7L MAP sensors on VP engines but cheaper. I highly recommend this sensor. I had a problem starting the crankshaft when pumping gas when trying to start the engine which started and ran but stalled when returning to idle. That solved it perfectly. Happy boating.

Pros
  • Automotive
Cons
  • Negative Impression