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Vehicle-system cost guide

Exhaust and emissions repair costs and warranty coverage

Compare parts prices and labor hours for the exhaust and emissions repairs in our database, then compare the documented conditions, affected vehicles and manufacturer remedies below.

2repair estimates
$347 to $2,133parts price range
0.6300172746672086 to 2.3507096162314127labor-hour range
Animated components representing exhaust and emissions repairs

Cost and coverage

Which repair costs could coverage help with?

Emissions repairs range from one sensor to a costly catalytic converter. Manufacturer emissions coverage and the cause of failure can matter more than the age of the service contract.

The 2 repair estimates in this category put parts at $347 to $2,133.

Modeled repair labor ranges from 0.6300172746672086 to 2.3507096162314127 hours. At the $147.62 median metro rate, that is $93 to $347 before parts and any separately listed diagnosis.

Check federal and state emissions coverage first. Then ask how the exact agreement treats mechanical failure, contamination, impact damage and damage caused by another component. For theft, ask your auto insurer whether the loss qualifies under your policy.

Documented conditions

An exhaust symptom is not a converter diagnosis

An exhaust drone, an emissions code and a damaged catalytic converter can require different work. A code describes a detected condition; it does not by itself identify the failed part.

Have the shop explain its tests and the engine or emissions configuration used in the estimate. Ask about applicable manufacturer or emissions coverage before authorizing a paid replacement.

12 selected problem files mention this system or its manufacturer instructions. Files can overlap systems and share campaigns. These counts describe the library, not breakdown rates or unique recalls.

Official NHTSA safety recall

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): recall 20V699000

Jeep Grand Cherokee · 2014, 2015, 2016, 2017, 2018, 2019

Combustion in the intake manifold can increase the risk of a fire.

Affected scope
NHTSA model names: GRAND CHEROKEE. Model years: 2014, 2015, 2016, 2017, 2018, 2019.. NHTSA campaign 20V699000. The complete campaign lists 28,884 potentially affected units across all listed vehicles.. A make, model and year match does not establish VIN eligibility.
Manufacturer check or remedy
FCA US LLC will notify owners, and dealers will replace the EGR cooler, free of charge. Dealers will also inspect and, as necessary, replace the intake manifold. Parts are not currently available. Owners were mailed an interim notification on December 21, 2021. A second notification will be mailed when parts are available, currently expected to be around March 11, 2021. The recall began March 11, 2021. Owners may contact FCA US LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is W79.
Safety and eligibility limits in this source
  • Confirm VIN eligibility and current remedy instructions with the manufacturer.
  • The model-year list is not proof that an individual vehicle is affected.
Original sources20V699000 · 2020-11-12Source record reviewed 2026-10-18. Read the full condition and checks →

Manufacturer documented

Exhaust drone on takeoff or light acceleration

Lexus RX 350 · 2016, 2017, 2018, 2019, 2020, 2021, 2022

A low drone during takeoff is the sound described in Lexus's revised center-pipe bulletin, particularly under gentle acceleration.

Affected scope
2016 to 2022 Lexus RX 350. The old versus revised center exhaust pipe is identified during inspection. The bulletin does not list the RX 350L or RX 450h for this procedure
Manufacturer check or remedy
A Lexus or exhaust technician confirms the exact drone and checks for the bracket and damper that identify the revised pipe. If the old assembly is present and the bulletin applies, it is replaced with the countermeasure part.
Safety and eligibility limits in this source
  • Exhaust fumes are entering the cabin or occupants feel dizzy or unwell
  • An exhaust component is loose, dragging or contacting the road
  • The noise is joined by a flashing warning light, severe power loss or overheating
  • Exhaust components become extremely hot, and the bulletin requires new gaskets plus measurement of the compression springs.
  • Do not touch or crawl beneath a hot or unsupported vehicle.
Original sourcesL-SB-0003-23 · Feb 2, 2023Source record reviewed August 2, 2026. Read the full condition and checks →

Manufacturer repair procedure

2.5 Turbo engine oil level drops between services

Mazda CX-5 · 2021

A low-oil warning with P250F and no visible leak fits the pattern in Mazda's valve-seal bulletin for specified 2021 2.5 Turbo vehicles.

Affected scope
Specified 2021 Mazda CX-5 vehicles with the 2.5 Turbo engine. For US vehicles, the bulletin lists VINs below JM3KF******472325 produced before September 14, 2021. Separate VIN ranges apply in Canada and Mexico
Manufacturer check or remedy
A qualified engine technician confirms the low level and checks for external leakage. When the bulletin applies, the technician installs eight improved exhaust valve seals with the specified tools.
Safety and eligibility limits in this source
  • The oil-pressure warning remains on after startup
  • The dipstick shows no oil or the level falls rapidly after topping up
  • The engine knocks, rattles loudly, smokes heavily or loses power
  • This repair involves the valvetrain and strict piston-position, spring and keeper procedures. It is not suitable for a basic DIY repair.
  • A low oil-pressure warning is more urgent than a level reminder. Shut the engine off if oil pressure is lost or mechanical noise begins.
Original sourcesMazda TSB 01-011/22 · Nov 17, 2022Source record reviewed August 2, 2026. Read the full condition and checks →

Official safety recall

FUEL SYSTEM, DIESEL: recall 21V907000

BMW 7 Series · 2015

A melting intake manifold increases the risk of a fire.

Affected scope
NHTSA model names: 740LD. Model years: 2015.. NHTSA campaign 21V907000. The complete campaign lists 50,404 potentially affected units across all listed vehicles.. A make, model and year match does not establish VIN eligibility.
Manufacturer check or remedy
Dealers will replace the EGR cooler and inspect the intake manifold, replacing it as necessary, free of charge. This recall includes all vehicles previously recalled under 18V-755. Vehicles previously recalled under 18V-755 will need to have the new remedy performed for this recall. An interim owner notification letter was mailed on January 18, 2022. The remedy is expected to be available in June 2022. Owner notification letters were mailed on July 6, 2022. Owners may contact BMW customer service at 1-800-525-7417.
Safety and eligibility limits in this source
  • Confirm VIN eligibility and current remedy instructions with the manufacturer.
  • The model-year list is not proof that an individual vehicle is affected.
Original sources21V907000 · 2021-11-19Source record reviewed 2026-10-18. Read the full condition and checks →

Official safety recall

STRUCTURE:BODY:ROOF AND PILLARS: recall 22V930000

Chevrolet Bolt EV · 2017, 2018, 2019, 2020, 2021, 2022, 2023

A vehicle fire can increase the risk of injury.

Affected scope
NHTSA model names: BOLT EV. Model years: 2017, 2018, 2019, 2020, 2021, 2022, 2023.. NHTSA campaign 22V930000. The complete campaign lists 111,242 potentially affected units across all listed vehicles.. A make, model and year match does not establish VIN eligibility.
Manufacturer check or remedy
Dealers will install metal foil at the carpet near the pretensioner exhaust, and install a pretensioner cover as necessary, free of charge. Owner notification letters were mailed between January 23, 2023 and April 25, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222383790.
Safety and eligibility limits in this source
  • Confirm VIN eligibility and current remedy instructions with the manufacturer.
  • The model-year list is not proof that an individual vehicle is affected.
Original sources22V930000 · 2022-12-15Source record reviewed 2026-10-18. Read the full condition and checks →

Official safety recall

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): recall 24V308000

Hyundai Elantra · 2024

A loss of drive power increases the risk of a crash.

Affected scope
NHTSA model names: ELANTRA. Model years: 2024.. NHTSA campaign 24V308000. The complete campaign lists 13,511 potentially affected units across all listed vehicles.. A make, model and year match does not establish VIN eligibility.
Manufacturer check or remedy
Dealers will replace the exhaust gas recirculation valve assembly, free of charge. Owner notification letters were mailed June 28, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 260.
Safety and eligibility limits in this source
  • Confirm VIN eligibility and current remedy instructions with the manufacturer.
  • The model-year list is not proof that an individual vehicle is affected.
Original sources24V308000 · 2024-05-01Source record reviewed 2026-10-18. Read the full condition and checks →
More matching records (6)

The first 6 additional files are listed here. Use the vehicle profile or current lookup for the full record of your model year.

Check who is responsible before paying

An open recall, a warranty extension and a service bulletin have different eligibility rules. Check your VIN with the manufacturer and confirm any time, mileage or diagnosed-condition limits. A bulletin alone does not promise a free repair. Existing faults generally fall outside a newly purchased service contract.

Read an OBD II codeA scan tool can name the condition the vehicle computer detected. It cannot inspect a connector, test fuel pressure or prove that the component named in a generic description has failed.Bulletin, recall or warranty?Three official looking documents can describe the same bad part while creating very different rights. The document number, VIN scope and remedy language matter more than what someone called it at the service counter.Describe a car problem“It makes a weird noise” is honest, but it leaves the technician guessing. A few observations about timing and conditions can make an intermittent fault much easier to reproduce.
Look up the exact model year →

Evidence behind the price

How much source evidence supports these exhaust and emissions estimates?

2 of the 2 categories in this system have an attached published benchmark. Local totals still apply modeled labor rates and broad vehicle assumptions.

Published benchmark2 / 2

Categories count once each. They are not weighted by repair frequency.

Model-specific repair ranges0 / 2

0 categories have at least one named model range, covering 0 distinct models in this system. Other annual cost references are outside this count.

Local laborModeled

City totals apply our labor assumptions. Diagnosis, parts choice and approved hours still need a vehicle-specific quote.

Library audit reviewed October 18, 2026. Source dates are retained; the review does not turn assumptions into observed prices.

Repair guides

Exhaust and emissions cost estimates

Catalytic converter replacement$2,044 to $2,133 partsOxygen sensor replacement$347 to $387 parts
Compare warranty and repair costsAll repair categories