Au7o mascotAu7o
Known IssuesDiagnose my car
  1. Au7o
  2. /
  3. Known Issues
  4. /
  5. P1519
P1519ModerateEngine

P1519 on 1999-2002 Mercury Cougar — Intake Camshaft Control / Adjustment Bank 1 Malfunction

1 vehicles · 1 makes · $120-$600 repair

Share:@au7o.io
NewAI Photo & Video Diagnosis
Not sure this is what you've got?
Upload a photo or video — Au7o will confirm the match and check for other common failures at the same time.
Upload & confirm

Most Reported On

1999-2002Mercury Cougar

P1519 is an OBD-II diagnostic trouble code meaning “Intake Camshaft Control / Adjustment Bank 1 Malfunction.” P1519 is a manufacturer-specific code most commonly found on VAG vehicles (Volkswagen/Audi), where it indicates a malfunction in the intake camshaft control (variable valve timing / camshaft adjustment) on Bank 1. The engine control module has detected that the intake camshaft cannot be adjusted to the commanded position, meaning the VVT system on that bank is not responding correctly. On some other makes the same code number is used differently (e.g., BMW: inlet camshaft end-position plausibility; Mercedes-Benz: camshaft position control mechanical fault; some others: intake manifold runner control stuck closed), so the exact meaning can vary by manufacturer. This code is most commonly reported on 1999-2002 Mercury Cougar, with repair costs ranging from $120 to $600.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
  • Sources (7)
Back to top

Common Causes

1Faulty or clogged camshaft adjuster (VVT) solenoid on Bank 1 (resistance spec roughly 10-18 ohms)
2Low or dirty oil / sludge restricting the camshaft adjuster oil flow
3Wiring or connector fault to the camshaft adjustment valve (loose/corroded connector)
4Failed or stretched timing chain, worn tensioner, or camshaft phaser/adjuster unit
5Faulty camshaft or crankshaft position sensor causing timing correlation error
6Engine control module fault or incorrect camshaft timing alignment

Typical Repair Cost

$120 - $600

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P1519, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

by ANCEL

A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

  • Read & clear engine codes
  • View freeze frame data
  • I/M readiness status
  • No batteries or app needed
Check Price on Amazon
Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
Check Price on Amazon
Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
Check Price on Amazon
Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

by Autel

Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

  • All-system diagnostics (25+ modules)
  • Bi-directional control & active tests
  • Oil reset, EPB, BMS, TPMS, injector coding
  • 7-inch touchscreen with Android OS
Check Price on Amazon

As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.

Vehicles Affected (1)

Mercury P1519 page →
CougarModerate

Intake Manifold Runner Control (IMRC) Failure - 2.5L V6

1999-2002$120-$6000 reports

Related Codes (8)

P1516Throttle Actuator Control (TAC) Module — Throttle Actuator Position Performance (GM)P1518Intake Manifold Runner Control Stuck Open002FManufacturer-Specific Diagnostic Code00522Engine Coolant Temperature Sensor (G62): Open Circuit / Short to Positive (B+)16500Engine Coolant Temp. Sensor (G62): Implausible Signal16502Engine Coolant Temperature Sensor (G62): Signal too High16566Mass Air Flow Sensor Signal Too Low (VAG)17664Engine Coolant Temperature Circuit (G62): Open / Short to B+

FAQ

What does P1519 mean?

P1519 stands for "Intake Camshaft Control / Adjustment Bank 1 Malfunction." P1519 is a manufacturer-specific code most commonly found on VAG vehicles (Volkswagen/Audi), where it indicates a malfunction in the intake camshaft control (variable valve timing / camshaft adjustment) on Bank 1. The engine control module has detected that the intake camshaft cannot be adjusted to the commanded position, meaning the VVT system on that bank is not responding correctly. On some other makes the same code number is used differently (e.g., BMW: inlet camshaft end-position plausibility; Mercedes-Benz: camshaft position control mechanical fault; some others: intake manifold runner control stuck closed), so the exact meaning can vary by manufacturer.

What are the most common causes of P1519?

The most common causes of P1519 are: Faulty or clogged camshaft adjuster (VVT) solenoid on Bank 1 (resistance spec roughly 10-18 ohms), Low or dirty oil / sludge restricting the camshaft adjuster oil flow, Wiring or connector fault to the camshaft adjustment valve (loose/corroded connector), Failed or stretched timing chain, worn tensioner, or camshaft phaser/adjuster unit, Faulty camshaft or crankshaft position sensor causing timing correlation error, Engine control module fault or incorrect camshaft timing alignment. The specific cause varies by vehicle.

How much does it cost to fix P1519?

Repair costs for P1519 range from $120 to $600, depending on the vehicle and root cause.

Which vehicles are affected by P1519?

Au7o has documented P1519 across 1 vehicle models from 1 manufacturers: Mercury.

Sources (7)

  • ForumIntake Manifold Runner Control Stuck Closed | New Cougar Forum
  • Forum2002 cougar imcr | Mercury Cougar Owners
  • ForumSOLVED: How do I fix imrc on the 2002 mercury cougar p1519 - Fixya
  • ForumLooking for intake manifold runner control please and thank you | New Cougar Forum
  • Forumcode P1519 Inlet manifold runner control malfunction (Stuck Closed) | New Cougar Forum
  • ForumIMRC Stuck Open? P1518 | New Cougar Forum
  • articleP1518 – Intake Manifold Runner Control Stuck Open (Ford, Lincoln, Mercury) – TroubleCodes.net

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

Known IssuesDTC LookupDrivePricingAboutTermsPrivacyCookiesConsentData rightsCopyrightFeedback
Share:@au7o.io

Vehicle data and repair guidance on this site are compiled with AI assistance and may contain errors. Always verify with your service manual or a qualified mechanic.

Au7o · 2026
Built for DIY mechanics. Privacy-first.

© 2026 Au7o. All rights reserved.