Motaquip reveals some of the techniques required for quick and accurate air mass meter diagnosis.  Air mass meters (AMMs) measure the mass of air entering the engine, providing the ECU with the data it needs to calculate precise fuelling for efficient combustion and low emissions. Using a temperature-controlled platinum sensor, airflow is translated into a signal the ECU can interpret – but what ...

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PMM’s indignant investigator Ben Johnson explores why many modern cars sometimes give up the ghost, without even having the decency to explain why!  Modern cars are rubbish at failing properly. They no longer expire with drama or dignity. There is no bang, no puff of smoke, no heroic mechanical sacrifice. That sort of thing belonged to an era when ...

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Diagnostics expert Edd Hunt, the Car Consultant, details his recent effort to get to the bottom of a bothersome blower. Having been ranked number one in the UK on Denso’s League of True Mechanics for three years running and going on to then win ‘Auto-Mechanik of the Year’ at last year’s Automechanika, I figured it ...

The post VW Sharan TDI cooling fan issue appeared first on Professional Motor Mechanic.

PMM hears from AJ Fleetcare, who recently received a blocked-up Citroen, and turned to JLM for help. AJ Fleetcare have recently launched The AJ Fleetcare Training Academy, with a mission to help fellow technicians unlock and then maximise profit potential from on vehicle DPF cleaning and accurately diagnosing faults, often mistakenly attributed to the DPF. ...

The post Why the Citroen 4 Picasso 1.6 HDi had DPF Issues appeared first on Professional Motor Mechanic.

Our diagnostics dynamo Ben Johnson is on the lookout for those little things that just don’t look right. It’s easy – when you know where to look! There are few sights more ominous to a mechanic than sitting in a modern BMW, pressing the climate control buttons, and watching absolutely nothing happen. Dead panel. No ...

The post BMW F30: Entertainment panel fix appeared first on Professional Motor Mechanic.

The team at the ALLDATA Info Centre has recently solved an issue affecting a Mazda 6 Estate. Problem A persistent headlight issue plagued a 2013 Mazda 6 Estate, frustrating both the vehicle owner and workshop technician. A full headlight replacement seemed the only option left – until ALLDATA Repair shed light on a smarter solution. ...

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The team at the ALLDATA Info Centre has recently solved two vehicle problems for garages. Problem 1 – 2020 ŠKODA KAROQ 1.0 TSI The customer reported ‘jerking’ when accelerating, but, despite clear symptoms, the vehicle’s fault memory did not show any corresponding indications. The workshop technician took the vehicle out for a test drive, where ...

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Febi provides an insight on control units to readers of PMM and highlights a recent case in which a Volkswagen’s battery replacement led to a series of issues affecting the steering, EPC and ESP… Many control units share information provided by the sensors built into the vehicle’s infrastructure to give important data feedback that affects ...

The post Why was the VW Golf V having steering problems? appeared first on Professional Motor Mechanic.

Will our herculean problem-solver Ben Johnson ever reach the Elysium of original equipment and willing customers? First, he must undergo the twelve labours of penny-pinching customers, aftermarket parts and rectifying dodgy repair jobs. There’s a certain tragic charm to a BMW F11 that’s seen better days. A luxury estate car once built to glide effortlessly ...

The post Suspension issue with a BMW F11 appeared first on Professional Motor Mechanic.

An issue on a 2019 MY Peugeot 3008 1.2i has been solved, thanks to the ALLDATA Info Centre Service. ALLDATA Europe is a leading provider of original vehicle manufacturer, repair maintenance and diagnostic data. It is the company behind ALLDATA Repair, a single, easy-to-navigate information portal that allows independent workshops and bodyshop professionals to gain ...

The post What was wrong with the Peugeot 3008? appeared first on Professional Motor Mechanic.