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Campaign 14V087 Posted March 4, 2014 2,139 units

2008-2014 New Flyer C/L/XN Recall 14V087: Sensor Freeze

RN
Reviewed by the RecallNotify editorial team
Published June 2, 2026

Recall 14V087 covers 2139 2008-2014 New Flyer transit buses for frozen intake-sensor faults. Authorized Cummins facilities upload the ECM calibration free.

New Flyer is recalling 2,139 2008-2014 C40LF, C40LFR, C35LF, C35LFR, XN40, XN60, XN35, and L40LFR transit buses because frozen condensation can disrupt the intake manifold pressure sensor. That sensor problem can raise exhaust temperatures or send flames from the exhaust pipe, increasing fire and burn-injury risk; the dealer repair will be free once New Flyer makes it available.

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What's wrong?

On the 2008-2014 New Flyer transit buses in this recall, the intake manifold is part of the engine's air path. It routes incoming air toward the Cummins Westport Model ISL G engine, and the intake manifold pressure sensor reads that air pressure so the engine controls get the right information.

The problem starts when moisture collects in the intake manifold. In cold weather, that condensation freezes and blocks or distorts what the pressure sensor reads. Once the sensor is not reading properly, the engine control system is working from bad pressure information instead of the actual air pressure inside the manifold.

There is no warning sign before failure. Because the filing does not identify a driver symptom, treat any included bus as affected by the frozen-condensation condition until New Flyer or the servicing dealer confirms the recall repair status.

Who's affected?

Covers C40LF, C40LFR, C35LF, C35LFR, XN40, XN60, XN35, and L40LFR buses across the 2008-2014 model years, all tied to the engine component.

2008 New Flyer C40LF Engine
2008 New Flyer C40LFR Engine
2009 New Flyer C35LF Engine
2009 New Flyer C40LFR Engine
2010 New Flyer C40LFR Engine
Units affected2,139

The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific bus is included.

What's the safety risk?

Improper sensor operation can raise exhaust temperatures or send flames from the exhaust pipe, increasing the risk of a vehicle fire or burn injury to anyone near the pipe. Keep people clear of the exhaust area and schedule service soon. Repair will be free at any franchised New Flyer dealer once available.

What should I do?

  1. Check your VIN to confirm your 2008-2014 New Flyer C40LF, C40LFR, C35LF, C35LFR, XN40, XN60, XN35, or L40LFR bus is included in this recall.
  2. Contact New Flyer customer service to confirm the current repair instructions before scheduling service.
  3. Ask an authorized Cummins or Cummins Westport facility about the free ECM calibration upload that addresses intake-manifold sensor operation in cold weather.
  4. Reference recall number 14V087 when you call New Flyer, Cummins, or the service facility.
  5. Keep the bus out of service if exhaust flames, elevated exhaust heat, or other fire-risk signs appear before the calibration is completed.

What happens at the repair

At the authorized service facility, a New Flyer technician uploads a new ECM calibration for the Cummins Westport ISL G engine. The calibration is meant to keep intake manifold condensation from freezing in cold weather and interfering with the intake manifold pressure sensor. New Flyer began owner notification on March 21, 2014. The dealer repair will be free once available, with the work handled through authorized Cummins Inc. and Cummins Westport Inc. facilities.

Timeline

March 4, 2014 NHTSA published the recall
March 21, 2014 Owner notification mailed

Frequently asked questions

What is recall 14V087?

Recall 14V087 covers 2,139 2008-2014 New Flyer transit buses equipped with certain Cummins Westport ISL G engines. Condensation in the intake manifold can freeze in cold weather and interfere with the intake manifold pressure sensor. New Flyer will have a new ECM calibration uploaded for free.

What should I do if my 2008-2014 New Flyer C40LF, C40LFR, C35LF, C35LFR, XN40, XN60, XN35, or L40LFR is on this recall?

Check your VIN to confirm your specific bus is included in recall 14V087. If it is, contact New Flyer or an authorized Cummins facility and ask for the free ECM calibration update. Reference New Flyer recall number R14-006 when you call.

Is the recall repair free?

Yes. Federal recall law requires the manufacturer to correct the defect at no cost. For recall 14V087, authorized Cummins Inc. and Cummins Westport facilities will upload the new ECM calibration free of charge.

What is the safety risk in recall 14V087?

The safety risk is fire or burn injury near the exhaust pipe. If the intake manifold pressure sensor operates improperly, the engine can produce elevated exhaust temperatures or flames from the exhaust pipe. The free ECM calibration update is the repair path.

When did the recall repair begin?

The recall repair began on March 21, 2014. New Flyer instructed owners to use authorized Cummins Inc. and Cummins Westport facilities for the ECM calibration upload, free of charge.

More information

NHTSA campaign pagenhtsa.gov/vehicle-recalls/14V087000
New Flyer customer service1-204-934-4876
NHTSA recall #14V087
NHTSA recall # (full)14V087000

Source documents

This article is generated from NHTSA's primary recall filings and reviewed against the source on June 2, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →