ECU Testing

ECU Testing Common automotive ECU (Electronic Control Unit) faults with advice and guidance for diagnosing these complicated problems on the vehicle.
(359)

24/06/2026

💎 Oxygen sensors are preheated to bring the zirconia element to temperature before it can provide data to the ECU. 👨‍🔧 Tim's back to discuss heater circuit faults and show you where to begin when locating the issue. 🎥 Watch the full video now! https://youtu.be/9iNTGs0mzfo

🚗 Multiple Ford models, including the first three generations of Focus, are known for being highly susceptible to instru...
23/06/2026

🚗 Multiple Ford models, including the first three generations of Focus, are known for being highly susceptible to instrument cluster failure. ⚠️ Symptoms can range from loss of backlighting or LCD corruption to unresponsive gauges and even engine cut outs and starting issues. 👀 For closer detail, follow the link: https://link.ecutesting.com/Focus-Dash-Cluster-Fault

⛽ Fuel injector fault codes such as P2146, P2149, P0202 or P0203 are a common sight on Audi Q7 models. ⚠️ Engineering de...
18/06/2026

⛽ Fuel injector fault codes such as P2146, P2149, P0202 or P0203 are a common sight on Audi Q7 models. ⚠️ Engineering defects in the Q7's engine control module often disrupt the combustion process and could leave your vehicle misfiring, cutting out, or unable to start. 🛠️ Here's the solution: https://link.ecutesting.com/Audi-Q7-ECU-Fault

17/06/2026

📉 The first step when diagnosing an oxygen sensor fault is to assess the live data readings. 👨‍🔧 Tim's here to guide you through how to differentiate a healthy signal from a faulty one. 🎥 Watch the full video now! https://youtu.be/9iNTGs0mzfo

🚗 Many Peugeot 206, 207 and 208 models from 2000-2014 are prone to develop faults in their ATE MK70 ABS units. ⚠️ Common...
16/06/2026

🚗 Many Peugeot 206, 207 and 208 models from 2000-2014 are prone to develop faults in their ATE MK70 ABS units. ⚠️ Common failure symptoms include complete loss of ABS function with illuminated ABS and STOP lights, C1350 or C1380 fault codes or no comms at all. 🛠️ Here's how to solve the issue: https://link.ecutesting.com/Peugeot-MK70-ABS-Fault

⚙️ A design flaw in the DSG6 DQ250 mechatronic commonly leads to the gearbox locking into neutral, unable to engage forw...
11/06/2026

⚙️ A design flaw in the DSG6 DQ250 mechatronic commonly leads to the gearbox locking into neutral, unable to engage forward or reverse gears. ⚠️ Symptoms are temporary, but only at first - follow the link to prevent the fault becoming permanent: https://link.ecutesting.com/VW-DSG6-Mechatronic-Fault

10/06/2026

💨 Black smoke from your exhaust is never a good sign, and is only one of many symptoms that could lead you to suspect an O2 sensor fault. 👨‍🔧 Tim's back to guide you through what to look for and how to do some preliminary checks before beginning diagnostics. 🎥 Watch the full video now! https://youtu.be/9iNTGs0mzfo

🚘 Various 2005-2014 Renault models with a 1.2L 16V petrol engine are prone to misfires, non-starts and occasionally lost...
09/06/2026

🚘 Various 2005-2014 Renault models with a 1.2L 16V petrol engine are prone to misfires, non-starts and occasionally lost communication with the engine ECU. ⚠️ For vehicles fitted with a Siemens SIM32 engine ECU, these symptoms are commonly caused by internal failure within the unit. 🤔 Check if your vehicle is affected: https://link.ecutesting.com/Renault-Siemens-SIM32-ECU-Fault

🚗 Many 2006-2016 BMW 3 Series, 1 Series and Z4 models are fitted the same EPS rack motor that is commonly known to fail ...
04/06/2026

🚗 Many 2006-2016 BMW 3 Series, 1 Series and Z4 models are fitted the same EPS rack motor that is commonly known to fail internally. ⚠️ A complete loss of power steering and no communication with the module are telltale signs to look out for. ✅ The solution is simple - read on here: https://link.ecutesting.com/BMW-E90-E92-EPS-Motor-Fault

03/06/2026

🤔 If you're stuck wondering how O2 sensors work or how to identify a narrowband or wideband sensor, then look no further. 👨‍🔧 Tim is here to help you build the basic knowledge you'll need before diagnosing O2 sensor faults. 🎥 Watch the full video now! https://youtu.be/9iNTGs0mzfo

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