Suzuki EGR Valve — Sourced to Your Derivative

Suzuki's current local range is petrol, so exhaust work here is about catalytic converters and lambda sensors rather than the DPF systems that dominate the diesel marques. Cylinder count is the thing people get wrong: most of the range is a three- or four-cylinder with a single system, but the older Grand Vitara was also sold here as a V6, and a V6 is a different exhaust layout entirely from the manifolds back. The naturally aspirated and turbocharged Vitara derivatives differ from each other too, and the rear-drive Super Carry and Eeco are routed unlike anything else. In practice the decision in front of you is whether the section that has failed can be replaced on its own or whether corrosion has already taken the neighbouring joints with it.

The derivative — on a Vitara whether it is the 1.6 or the 1.4 turbo, and on an older Grand Vitara whether it is a four-cylinder or a V6. With that we can usually confirm the right part quickly, and we'll tell you whether we're quoting new, aftermarket or good used rather than leaving you to guess.

Not all of them do. Some small petrol engines manage internal exhaust recirculation through valve timing instead of a separate valve, and fitment varies with the emissions standard the car was homologated to. Tell us the derivative and engine code and we will confirm what is actually on your engine before you buy a part you do not need.

No, and this is where a lot of internet advice goes wrong. The heavy soot-choked intake problem belongs to diesels, and the South African Suzuki passenger range is essentially all petrol. Petrol EGR passages do carbon up over time, but far more slowly and with far less drama.

Often it can, and it is worth trying first. Remove it, clean the seat and pintle with carburettor cleaner, and clear the passage in the manifold behind it while you are there. What cleaning cannot fix is a failed position sensor, a burnt-out solenoid or a stepper motor that no longer holds position.

Blanking an emissions control device is not something to do on a road car. The ECU sees no flow when it commands the valve open, logs a fault and lights the warning lamp, and the car is no longer in the condition it was certified in. If the valve is faulty, fix or replace it.

It can, both through the fault code itself and through the poor idle quality and raised emissions that come with a valve stuck open or shut. If the engine light is on for an EGR fault, deal with it before the car goes anywhere near a test.