Catalytic Converter Replacement

Mobile catalytic converter replacement at your home or office, with the underlying cause diagnosed before the part is fitted.

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Service Info

Typical Duration 1.5 hours

We confirm the converter has failed rather than a sensor or an upstream engine fault, replace it with a unit matched to your engine and emissions standard, renew gaskets and fixings, then clear and recheck the fault codes.

Skip the garage, our master mechanics come to you

At your home or office
Fair & transparent pricing
6-month, 6000km warranty

The Most Trusted Mobile Catalytic Converter Replacement

A catalytic converter turns the harmful gases leaving your engine into less harmful ones, and it is one of the few parts that almost never fails on its own. It fails because something else went wrong first, usually an engine running rich, burning oil, or misfiring. Michanic replaces catalytic converters at your home or office, and looks for the cause first, because a new converter fitted to an engine with the original fault will be ruined again.

Why Choose Our Mobile Catalytic Converter Replacement Services?

  1. Cause Found First:
    A converter destroyed by a misfire or oil consumption will be destroyed again. We identify what killed it before fitting a replacement.
  2. Correct Emissions Standard:
    Converters are matched to the engine and the emissions standard. A unit with the wrong cell density triggers the same fault code again.
  3. Oxygen Sensors Assessed:
    The sensors before and after the converter are what tell the engine management it has failed. A lazy sensor produces the same code as a dead converter.
  4. Done Where You Are:
    No need to drive a vehicle that may be in limp mode or failing emissions to a workshop.

Why We are the Best Choice for Mobile Catalytic Converter Replacement

  • Diagnosis Before Parts:
    A converter is an expensive component. We confirm it has actually failed rather than replacing it because a fault code mentioned it.
  • Fitted Without Leaks:
    New gaskets and hardware are used. An exhaust leak ahead of the rear sensor gives false readings and a fresh fault code.
  • Codes Cleared and Verified:
    The system is rechecked after fitting so you know the fault is genuinely resolved rather than temporarily cleared.
  • We Come To You:
    The work happens at your home or office, with no tow and no workshop booking.

A catalytic converter is the part that decides whether your car passes an emissions test, but the reason to take a failed one seriously is mechanical. When the ceramic substrate inside breaks up or melts, it restricts the exhaust, and a blocked exhaust chokes the engine: you get heavy power loss, poor economy, overheating and, in bad cases, damage to valves and pistons from the back pressure. Loose substrate can also be drawn back toward the turbocharger on some layouts. A rattling converter is not a noise to live with.

Frequently Asked Questions

  • What causes a catalytic converter to fail?
    Rarely age alone. The usual causes are a misfire putting unburnt fuel into the converter, an engine burning oil or coolant that coats the catalyst, a rich running fault, or physical damage from an impact. Fix the cause or the replacement fails too.
  • Can a catalytic converter be cleaned instead of replaced?
    Sometimes a converter that is contaminated but structurally intact responds to a proper cleaning treatment. Once the ceramic substrate has melted, cracked or broken up, no cleaning will restore it and replacement is the only option.
  • Is it safe to drive with a failed catalytic converter?
    It depends on how it failed. A converter that is simply inefficient is an emissions problem. One that has broken up and is restricting the exhaust causes power loss and heat that can damage the engine, and should not be driven on.
  • Will a new catalytic converter fix my check engine light?
    It will if the converter was genuinely the fault. If the code was caused by a lazy oxygen sensor, an exhaust leak near the sensor, or an engine running rich, the light returns because the real fault is still there.
  • Why do catalytic converters get stolen?
    They contain small quantities of precious metals. Vehicles with high ground clearance are targeted most because access is easy. A marked or shielded converter and parking in view both reduce the risk.