Blog Categories: DPF / EGR Systems

Illustration of a ceramic petrol particulate filter core on a workshop bench, half of its honeycomb face clean and half clogged with black soot

Blocked GPF Symptoms: What a Clogged Petrol Particulate Filter Does and How It Is Cleared

Summary: A blocked GPF — the particulate filter on a petrol engine — usually shows itself first as an amber...
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Electric EGR valve assembly with its position sensor connector on a UK auto-electronics workshop bench next to a diagnostic scan tool

EGR Fault Codes: P0401, P0402, P0403, P0404, P0405 and P0409

Summary: Three of these six codes describe exhaust gas that did not move the way the ECU asked for it...
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Petrol particulate filter canister with a cutaway showing the honeycomb filter inside

Does My Petrol Car Have A Particulate Filter?

Diesel Particulate Filters (DPF) have been around for a long time, however, after some recent research, some car manufacturers are...
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DPF Cleaning Service – Nationwide

DPF Problems & Our Filter Cleaning Service If you’re a proud owner of a modern diesel car, you’re probably aware...
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