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Price data reviewed August 2026

Crankshaft Position Sensor Replacement Cost

Crankshaft Position Sensor Replacement typically costs $200–$350 in the US, parts ~$65–$130, about 1.4 hours labor. Best left to a professional mechanic for most vehicle owners.

The crankshaft position sensor monitors the crankshaft's location and speed to help manage ignition timing and fuel injection.

📊 Quick Facts & Specifications

Typical Cost (US)$200–$350
Parts Estimate$65–$130
Labor Time1.4 hrs
DIY DifficultyProfessional Recommended
Labor Op Code4040020

What Is Crankshaft Position Sensor Replacement?

The crankshaft position sensor monitors the crankshaft's location and speed to help manage ignition timing and fuel injection.

🔧 Can I Do It Myself?

It's technically possible to replace a crankshaft sensor yourself, but access varies by vehicle and can be tricky.

📡 Associated Check Engine Codes

This repair is commonly required to fix the following OBD-II diagnostic trouble codes:

Industry Overview

Engine maintenance quotes often include premature replacements and unnecessary additives.

⚠️ Watch Out For — Common Upsells

  • Premature timing belt replacements
  • Bundling belt replacement with water pump or other parts without clear need
  • Selling oil flushes and additives without performance issues

❓ Questions to Ask Your Mechanic

  • Is this service due according to the manufacturer’s maintenance schedule?
  • Can I see the condition of the timing belt or spark plugs?
💡

How to Pay Less for Crankshaft Position Sensor Replacement

Four practical ways to lower your out-of-pocket cost without sacrificing quality or safety.

🔧 1. Do It Yourself (DIY Parts Savings)

Professional Labor Recommended

Replacement parts typically cost $65–$130; professional labor accounts for the rest of the bill.

⚖️ 3. Negotiation & Savings Rules of Thumb

  • Coupons rarely stack: Most shops will not combine percent-off coupons with existing packaged specials or oil discounts.
  • Second quotes beat small discounts: A coupon saving under 10% of the total bill rarely beats getting an itemized second quote from an independent mechanic.
  • Confirm before booking: Always mention the coupon when dropping off your vehicle or approving the estimate, not at final checkout.
📍

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Frequently Asked Questions

What is Crankshaft Position Sensor Replacement?+

The crankshaft position sensor monitors the crankshaft's location and speed to help manage ignition timing and fuel injection.

Can I do Crankshaft Position Sensor Replacement myself?+

It's technically possible to replace a crankshaft sensor yourself, but access varies by vehicle and can be tricky.

What does the crankshaft position sensor do?+

It tells the engine control unit (ECU) the position and speed of the crankshaft to help regulate ignition timing.

Can I replace a crankshaft sensor at home?+

Yes, on some vehicles it's easily accessible. On others, it's hidden and requires disassembly of nearby parts.

Data & Pricing Methodology

Price ranges are compiled from published labor estimates and retailer parts prices, adjusted using 2024 Bureau of Economic Analysis (BEA) Regional Price Parities and cross-checked against repair quotes uploaded to Service Buddy.

Price Confidence:medium
Price Unit:each
Sources:RepairPal, Kelley Blue Book, AutoZone
Reviewed by:Piers Fawkes (Founder)
Price Review:August 2026
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Car Buyer Insights

Price is #1 factor75%
Maintenance cost matters53%
Use online reviews56%

of U.S. car buyers (n > 2,800)

Source: YouGov BrandIndex 2026
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