A flashing check engine light
A flashing check engine light means severe converter damage and power loss are close. We repair the engine fault behind it, such as a misfire or weak ignition, before the converter melts.
Mechanical
Car Catalytic Converter Repair in Dubai
Car catalytic converter repair in Dubai by Royal Prince Auto Care, DIP 2. We repair the engine fault, then fit the new converter.
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- 16+Years of experience
- Brands serviced
- 51Brands serviced
- FreePickup and drop-offBy driver only, with a service contract
- FreeCar washWith service
- DealershipAlternative
- ServiceContracts
- OEMParts
- Up to 35% offOn repairs
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Get an estimate for your car
Tell us your car, what it needs and how to reach you. A service advisor will call you back to talk through the work.
Due for a routine service?
- Free pickup and drop-off by driver, with a service contract
- Free car wash with every service
- Up to 35% off on repairs
What it covers
What Our Car Catalytic Converter Repair Covers
The work this service covers at our Dubai Investment Park workshop. Open the full details below.
- 01Fault code and freeze-frame reading
- 02Exhaust leak tests ahead of the oxygen sensors
- 03Fuel control checks with live sensor data
- 04Misfire, coolant and oil consumption tests
- 05Oxygen sensor testing and replacement
- 06Catalytic converter replacement for your engine
- 07Converter-safe sealant at the joints
Warning signs
What are the signs of a failing catalytic converter?
A failing catalytic converter shows 5 signs: a flashing engine light, a steady one, a scorching smell, rough running and a failed emissions test. The converter cleans the exhaust gas. Each sign therefore marks a fault in the engine, the sensors or the converter itself.
A steady light with a converter code
A steady check engine light means the engine or emission control system has a fault, and converter damage is possible. A converter efficiency code is not proof on its own, because emission faults ahead of the converter are corrected before it is replaced. We repair the fault the tests point to, in the exhaust, the fuel system or the converter.
A scorching smell
A scorching smell from under the car signals severe and abnormal catalyst overheating. Stop the car, switch off the engine and let it cool. We then repair the engine fault that overheated the catalyst and replace a damaged converter.
Rough running and higher fuel use
High fuel consumption, rough running and poor emissions are the symptoms of a faulty oxygen sensor, also called a lambda sensor. A sensor fault can also set a diagnostic trouble code. We replace a failed or contaminated sensor.
A failed emissions test
The RTA vehicle test includes an exhaust emissions check. A car that fails it carries a fault in the engine, the sensors or the converter. We find which one and repair it before the retest.
What it covers
What our car catalytic converter repair includes
Our catalytic converter work covers the engine faults that damage a converter as well as the converter itself:
- Fault code and freeze-frame reading
- Exhaust leak tests ahead of the oxygen sensors
- Fuel control checks with live sensor data
- Misfire, coolant and oil consumption tests
- Oxygen sensor testing and replacement
- Catalytic converter replacement for your engine
- Converter-safe sealant at the joints
- Heat shield refit after the repair
- Road test after the repair
For converter codes on the Ford Expedition and Lincoln Navigator, Ford's procedure records oxygen storage values from both banks and replaces just the affected parts. We replace the converter on the bank that fails its tests.
What we see
What causes catalytic converter failure in Dubai?
Catalytic converter failure in Dubai has 6 causes, each of them outside the converter. The engine sends it the wrong mix of fuel, oil or coolant, or the road or a wrong product damages it:
- Misfire and weak ignition: an engine, ignition or control fault overheats the converter and melts its substrate.
- Rich mixture: a damaged oxygen sensor heater or a faulty fuel system makes the mixture too rich and contaminates the sensor.
- Oil burning: high oil consumption and carbon build-up contaminate the catalyst. In laboratory ageing, a phosphorus oil additive raised its half-conversion temperature by 24 to 30 °C.
- Coolant leaks: coolant in the cylinders, from a leaking head gasket for example, contaminates the sensors and the catalyst.
- Wrong fuel, additives or sealant: leaded fuel, unsuitable fuel additives and a sealant not rated converter-safe contaminate the catalyst.
- Impact and thermal shock: a rock or a speed bump dents or cracks the converter, and a deep puddle cracks the substrate by thermal shock.
A malfunctioning converter runs hotter than normal. It can set fire to dry plants, wood or cardboard under a car driven slowly or parked over them. Dubai International Airport has recorded a highest daily maximum of 48.8 °C in August.
Every car catalytic converter repair we carry out tests for each of the 6 causes. We fix the one we find before a new converter goes in.
In depth
Benefits of car catalytic converter repair
A repair that starts at the cause gives you a converter that does its job and keeps doing it.
Cleaner exhaust gas
A working three-way catalyst turns carbon monoxide and hydrocarbons into carbon dioxide and water, and nitrogen oxides into nitrogen. Optimum conversion comes at an air-to-fuel ratio of 14.7 to 1.
A new converter that lasts
A converter fitted while the cause remains can fail the same way, and the old fault can damage the new part. The new converter then starts its work on a sound engine.
Registration renewal
Exhaust emissions are part of the RTA periodic test that registration renewal depends on. A repaired converter removes one reason for a failed result.
Heat kept off the underbody
Hyundai for the Tucson NX4 and Kia for the PU diesel warn that removing the exhaust heat sink creates a fire risk. We put back each heat shield removed for access to the converter.
Engine power kept
Converter damage can cost the engine its power. Repairing the damage gives that power back.
Sensors that stay clean
Leaking engine oil travels along the wiring loom into an oxygen sensor and its connector. A new sensor fails again when the oil source stays open, so we repair the oil leak as part of the job.
In Dubai conditions
What do UAE rules say about catalytic converter changes?
UAE rules set emission limits for every car and penalise changes made to the engine without permission. Cabinet Decree 12 of 2006 caps vehicle emissions at the limits of the UAE standards. Ministerial Resolution 178 of 2017 fines a driver for a vehicle that causes pollution, and for modifying the engine without permission.
An engine modified without permission also brings 30 days of vehicle retention under the same resolution. A driver who skips the vehicle examination after core adjustments to the engine is fined as well. Under the UAE Euro 6 rules, regulators can run in-service emissions tests on cars already on the road.
We repair or replace a failed converter so the car stays inside these rules.
Prevention
How catalytic converter repair works at Royal Prince Auto Care
Our converter jobs run in 6 steps, from your description of the fault to the road test.
Record the warning and the symptoms
We ask whether the check engine light flashes or stays on, and when the smell or power loss appears. A recent emissions test result also goes on the job card.
Read the codes and freeze-frame data
We read every engine fault code and the freeze-frame data stored with it. We repair each fault the codes show, because a converter code can follow a misfire or a sensor fault.
Test the exhaust for leaks
A leak ahead of the oxygen sensors skews their readings. We find it with a smoke test, a soapy solution and a visual check, then seal it.
Confirm the fuel control
We watch the rear oxygen sensor on a scan tool for a steady reading at or above 450 mV. On the gas analyser, the target is lambda 1 and hydrocarbons below 65 ppm. A reading outside those figures sends us back to the fuel or sensor fault, which we repair.
Test for contamination
We pressure test the cooling system and check the oil consumption and the fuel used. A positive result sends us to the head gasket, the oil burning or the fuel, and we repair that fault.
Repair the cause and fit the converter
We repair the fault the tests found, then fit the converter made for your car's engine. A road test and a fresh code read follow the fitting.
Book a catalytic converter check by phone or WhatsApp.
Cost and value
What decides the cost of car catalytic converter repair in Dubai?
The cost of car catalytic converter repair in Dubai rests on 4 factors. These are the cause of the failure, the converters that fail their tests, the state of the oxygen sensors and the converter your engine takes. A head gasket or an oil burning repair adds engine work before the converter goes in.
Each contaminated sensor is a part of its own on the bill. The test results set which of the 4 factors apply.
Message us on WhatsApp with the make and model to arrange the converter tests.
Why Royal Prince
Why choose Royal Prince Auto Care for catalytic converter repair
Our converter work looks past the warning light to the engine that caused it.
Sensor tips read
A healthy oxygen sensor tip is dull grey, and a red tip can signify contamination by fuel additives. We read the tip colour of every sensor we remove, then repair the source of the contamination.
Sensor and converter together
Contamination that ruins a sensor also reduces the capacity of the converter. We check the converter each time we replace a contaminated sensor, and replace it when it fails its tests.
Maker updates first
We check whether the car maker has issued an engine software update or a bulletin for the fault. When the fix is the maker's software, we refer the car to the maker's dealer for the update.
Converter-safe materials
The wrong gasket sealant contaminates a catalyst from the inside. Every joint we seal near the converter gets a converter-safe product.
No tampering
Hyundai for the Tucson NX4 and Kia for the PU diesel forbid tampering with the engine or emission control system. We do not remove converters or replace them with plain pipe.
Petrol and diesel cars
We take converter work on petrol and diesel cars of every make we service, all at our independent workshop in Dubai Investment Park 2.
In Dubai conditions
How do you make a catalytic converter last longer in Dubai?
A catalytic converter in Dubai stays healthy longer through 4 owner habits. These are prompt misfire repairs, a fuel level above empty, correct starting and stopping, and care with fuel system cleaners. Each habit spares the catalyst a misfire, a damaging start or a harmful chemical, and we repair the faults that the habits expose.
Misfire repairs at once
Hyundai tells Tucson NX4 owners not to drive on with misfire signs or a clear loss of performance. Have the engine checked as soon as it runs rough.
Fuel above empty
Running out of fuel can misfire the engine and damage the catalytic converter. Refuel before the warning light comes on.
Correct starting and stopping
Do not push start or tow start a car with a converter. Excessive attempts to restart a stalled engine can damage the emission control system. Coasting with the engine off is misuse too.
Care with fuel system cleaners
For the Wrangler, Jeep recommends petrol that contains detergents, corrosion and stability additives. Indiscriminate fuel system cleaners can contain active solvents that harm gaskets and diaphragms.
Book it inCall +971 50 216 0864
Ready to Book Your Car Catalytic Converter Repair?
Tell us the make, model and what the car is doing, and we book it in at our Dubai Investment Park 2 workshop. Free pickup and drop-off by our driver comes with a service contract. Every service comes with a free car wash.
Scheduled maintenance
Service packages worth booking
Regular servicing keeps small faults from turning into big repairs. Both packages are carried out by certified technicians using genuine or quality parts.
Every 6 months / 5,000 to 10,000 km
Car Minor Service
- Oil change and filter replacement
- Air filter cleaning
- Suspension joint inspection
- Brake check: pads, discs and fluid
- Wiper blade check
- Lights check
- Tyre pressure and condition check
- Battery check
- Under-car inspection for leaks and wear
- Fluid top-ups
Every 12 months / 20,000 km
Full check-upCar Major Service
- 360-degree check-up, 60 points
- Engine oil filter replaced
- Air filters replaced, where needed
- A/C cabin filters replaced, where needed
- A/C drive belt replaced, where needed
- Serpentine belt replaced
- Spark plugs replaced
- Brake fluid replaced
- Transfer case oil replaced
- Hydraulic oil replaced, if applicable
- A/C gas refill
- Injector cleaning
- Electrical, mechanical and suspension inspection
- Brake system inspection
- Wheel alignment
- Tyre rotation
- Lights and wiper blades check
- Windscreen washer fluid top-up
- Undercoating service
- Interior sanitation
- Wash and interior vacuum
Each package is quoted for your car. Call +971 50 216 0864 with the make and model for an estimate.
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FAQs
Car Catalytic Converter Repair questions, answered
Can I drive my car with a faulty catalytic converter?
No. A flashing check engine light calls for immediate service. A scorching smell means the catalyst is overheating: stop, switch off and let the car cool. A steady light still marks a fault in the engine or emission control system, which we diagnose and repair.
Can a catalytic converter be repaired instead of replaced?
No. A catalytic converter with a melted, cracked or contaminated substrate is replaced once its cause is repaired. A converter code alone does not condemn the part. Ford links P0420 and P0430 codes on the Expedition and Navigator to high sulphur fuel, and its fix is a sulphur removal drive cycle.
Does car catalytic converter repair in Dubai include the oxygen sensors?
Yes. We test the oxygen sensors in the same job, from the connector and its wire to the heater. The heater resistance, measured at room temperature, rules out an open or short circuit. A sensor that fails these tests or shows contamination is replaced.
Why does a new catalytic converter fail again?
A new catalytic converter fails again when the original cause is still present. A misfire, oil burning, a coolant leak or an unsuitable fuel additive damages the new converter as it damaged the old one.
Do diesel cars have a catalytic converter?
Yes. Kia fits its PU diesel with a catalytic converter and tells owners not to drive it with a misfire or idle it for long spells. The RTA emissions test has its own criteria for diesel engines.
Get in touch
Book Your Car Catalytic Converter Repair in Dubai
Call or send a WhatsApp message with the make, model and year and what the car is doing, and book it in at our Dubai Investment Park 2 workshop.
- Hours
- Mon–Sat 8:00–20:00 · Sun closed
Closed on public holidays