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Lincoln · Engine · Critical code

P0016 on Lincoln: How to Diagnose & Fix

Crankshaft/Camshaft Position Correlation - Bank 1 Sensor A

2 Lincoln models · 3 documented issues · 2 critical · $1,800-$6,000 repair

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P0016 by Lincoln model

  • 2015-2020Navigator2
  • 2019-2023Nautilus1
  • FAQ

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P0016 by Lincoln model

  • 2015-2020Navigator2
  • 2019-2023Nautilus1
  • FAQ

P0016 on Lincoln by model: symptoms, diagnosis and fix

Link to this issueError Codes:P0008P0009P0016P0017P0018P0019P0300

The 3.5L EcoBoost twin-turbo V6 in 2015+ Navigator (and shared F-150, Expedition, Edge ST) suffers timing chain stretch typically between 80,000-150,000 miles. Symptoms include a rattling noise on cold start, particularly on the passenger-side bank, plus P0016/P0017/P0018/P0019 correlation codes. Causes include extended oil change intervals, low-quality oil, and turbocharger-related oil shear.

Common Symptoms

  • cold start rattle
  • misfire
  • check engine light
  • rough running
  • reduced power

How to Fix

Full timing chain kit replacement (primary chain, both secondary chains, tensioners, guides, sprockets, water pump) — typically $2,500-$4,500 at dealer, $1,800-$3,000 at independent. Stick to 5,000-7,500 mile oil intervals with Motorcraft full-synthetic 5W-30. Catastrophic chain failure means head rebuild ($6,000+).

Typical repair cost:$1,800 - $6,000

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Link to this issueError Codes:P0016P0017

Internal locking pins in the 3.5L EcoBoost variable cam timing phasers wear out, producing a loud rattle/clack at cold startup and a knocking idle once warm. Ford issued Customer Satisfaction Program 21N03 (and PCM reflash 21B10) replacing all four VCT units, but coverage expired Jan 1, 2023 and out-of-warranty repair runs $2,800-$3,000+.

Common Symptoms

  • Diesel-like rattle for 1-3 seconds on cold start
  • Knocking/clacking at warm idle
  • Reduced engine performance
  • P0016/P0017 correlation codes

How to Fix

Check VIN at owner.ford.com or lincoln.com/support/recalls for CSP 21N03 eligibility (coverage expired January 1, 2023 — time-limited, not mileage-based). If out of coverage, replace all four VCT phasers, both primary chains, tensioners, guides, and reflash the PCM with the updated 21B10 calibration. Switch to 5,000-mile oil changes with full synthetic 5W-30 to prevent recurrence.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Ford ML3Z-6256-A intake VCT unit, two required
    OEMML3Z-6256-A

    Replace both intake VCT units during a confirmed four-phaser 2018-2020 Navigator repair Fitment/availability: Live Ships/Add to Cart page identifies ML3Z-6256-A, intake actuator/camshaft sprocket and Lincoln Navigator fitment.

    FordPartsGiant
  • Genuine Ford ML3Z-6C525-A exhaust VCT unit, two required
    OEMML3Z-6C525-A

    Replace both exhaust VCT units during a confirmed four-phaser 2018-2020 Navigator repair Fitment/availability: Live Ships/Add to Cart page identifies ML3Z-6C525-A, exhaust actuator/cam and Lincoln Navigator fitment.

    FordPartsGiant
  • Genuine Ford HL3Z-6279-A VCT-unit bolt, four required
    OEMHL3Z-6279-A

    Confirm VIN/current work order and do not reuse removed single-use hardware.

    FordPartsGiant

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$2,800 - $5,500
Sources for this issue (3)
  • Customer Satisfaction Program 21N03 - Cam Phaser Replacement - 2017-2020 F-150, 2018-2020 Expedition & Navigatortsb
  • NHTSA TSB: CSP 21N03 Supplement #4 (cam phaser replacement)tsb
  • 3.5L EcoBoost Cam Phaser Rattle - Symptoms & Fixesarticle

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026
All Lincoln Navigator known issues →
Link to this issueError Codes:P0016P0017P0011P0012

Nautilus models with the optional 2.7L EcoBoost V6 produce a ticking, tapping, or rattle noise from the top-front-cover area of the engine on initial start-up after a cold soak of 6 hours or more, lasting roughly 2-5 seconds. Ford TSB 23-2356 (superseding 22-2376 and 23-2049) attributes the noise to stuck internal components in the variable cam timing (VCT) / cam phaser units. Left unaddressed it can set crank/cam correlation codes (P0016). It is a well-documented EcoBoost cam-phaser pattern failure also seen on the F-150 2.7L.

Common Symptoms

  • Ticking/tapping/rattle from front of engine for 2-5 seconds on cold start
  • Noise only after the car sits 6+ hours
  • Noise diminishes once oil pressure builds
  • Possible check engine light with cam/crank correlation codes at higher mileage

How to Fix

Per TSB 23-2356 the prescribed repair is to replace all four VCT (cam phaser) units — a substantial ~14.7-hour labor job. Using the correct oil viscosity and avoiding extended oil-change intervals helps slow phaser wear. Many out-of-warranty owners report Ford goodwill covering a large portion (one owner quoted ~$2,600 with ~2/3 covered at 88k miles).

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Genuine Ford L1MZ-6256-E intake VCT/camshaft sprocket, two required
    OEML1MZ-6256-E

    Replace both intake VCT units on a TSB-confirmed 2019-2023 Nautilus 2.7L repair Fitment/availability: Live Ships in 1-2 Business Days/Add to Cart page identifies current L1MZ-6256-E, superseding -A/-B/-C/-D, and lists 2019-2023 Lincoln N…

    FordPartsGiant
  • Genuine Ford L1MZ-6C525-C exhaust VCT unit, two required
    OEML1MZ-6C525-C

    Replace both exhaust VCT units on a TSB-confirmed 2019-2023 Nautilus 2.7L repair Fitment/availability: Live Ships in 1-2 Business Days/Add to Cart page identifies L1MZ-6C525-C, replaces -A and lists 2019-2023 Lincoln Nautilus 2.7L. Do no…

    FordPartsGiant
  • Genuine Ford CP9Z-6279-C VCT-unit bolt, four required
    OEMCP9Z-6279-C

    Confirm the current supersession and quantity for th

    FordPartsGiant

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$0 - $3,500
Sources for this issue (3)
  • TSB 23-2356 - 2019-2023 Edge/Nautilus 2.7L EcoBoost - Cold Start Ticking/Tapping or Rattle Noisetsb
  • 2.7L EcoBoost - Cold Start Ticking/Tapping or Rattle Type Noise - 2019-2022 Edge & Nautilusarticle
  • P0016 on 2019-2021 Lincoln Nautilus: Crankshaft/Camshaft Correlation Causes and Fixesarticle

Research This Issue

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Community Reported
Medium ConfidenceVerifiedReviewed Jun 2026
All Lincoln Nautilus known issues →

P0016 code reference

General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.

Frequently asked questions

What does P0016 mean on a Lincoln?

P0016 stands for "Crankshaft/Camshaft Position Correlation - Bank 1 Sensor A." P0016 means the engine computer found that the crankshaft and camshaft position sensors on Bank 1 (Sensor A) are not lining up the way they should — the timing 'correlation' between them is out of range. These two sensors tell the computer where the pistons and valves are so it can time fuel injection and spark precisely. When their signals don't agree within tolerance, the computer sets this code. It generally indicates an engine timing issue, which may be a worn timing chain, a sticking variable valve timing component, or a sensor problem, and can cause rough running, hard starting, or potential engine damage if ignored. On Lincoln it is documented across 2 models: Navigator, Nautilus.

What are the most common causes of P0016?

The most common causes of P0016 are: Stretched timing chain or worn timing components (guides/tensioner), Faulty camshaft position sensor or crankshaft position sensor, Stuck or faulty variable valve timing (VVT/VCT) actuator or solenoid, Low or dirty engine oil affecting the VVT actuator, Clogged oil control valve or restricted oil passages, Timing chain/belt installed one tooth off after service, Damaged reluctor/tone ring on the crankshaft or camshaft, Wiring or connector faults at the position sensors. The specific cause varies by vehicle.

How much does it cost to fix P0016 on a Lincoln?

Published repair estimates on Lincoln range from $1,800 to $6,000 depending on the model and root cause. If an issue mentions a recall or campaign, check your VIN with the manufacturer or NHTSA and confirm eligibility and coverage with a dealer.

Related codes

  • P0010 · Intake Camshaft Position Actuator Circuit (Bank 1)
  • P0011 · Intake Camshaft Position Timing - Over-Advanced (Bank 1)
  • P0012 · Intake Camshaft Position Timing - Over-Retarded (Bank 1)
  • P0014 · Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)
  • 00522 · Engine Coolant Temperature Sensor (G62): Open Circuit / Short to Positive (B+)
  • 16500 · Engine Coolant Temp. Sensor (G62): Implausible Signal
  • 16502 · Engine Coolant Temperature Sensor (G62): Signal too High
  • 16566 · Mass Air Flow Sensor Signal Too Low (VAG)

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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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