Alfa Romeo Stelvio EGR delete

Most Stelvio diesels in the North West are family cars first. A week is the school run, the supermarket, a commute into Manchester or Warrington with the last three miles in traffic, and the engine switched off before the intake has properly warmed through. Some are company cars doing long motorway days, which suits the engine, until the car gets home and spends the next fortnight on two-mile hops. Recirculated exhaust gas carries soot, and soot that never gets hot enough to burn off settles on the valve and in the cooler as a hard, tarry carbon.

A smaller group work harder. Stelvio Q4s tow, pull horseboxes across fields at weekend shows, and live on estates and farms where the way to the road is a track. Cold starts, low load and mud are the pattern, and the EGR fills up faster on it. That is the off-road use this service is sold for, and the only use it is sold for.

Stelvio 2.2 JTDM 180 and 210 PS, 2017 onward

One diesel engine across the Stelvio range: Alfa Romeo's own all-aluminium 2.2 JTDM, in 180 PS rear-wheel and Q4 forms and 210 PS Q4 form, from the car's 2017 launch. It is the same unit as the Giulia and is done the same way. The engine is new enough that its EGR record is thin, and we do not pad it out with the older Multijet history from the Giulietta and MiTo. The valve fouls first on short, cool running, and the cooler fails later with heat and age. Both are covered by the one remap, at the same price for either output.

For the rest of the range, see Alfa Romeo EGR delete. If your Stelvio is a version not listed here, call 0161 694 7331 and we will confirm before we set off.