Blog Categories: Engine ECU
Anti-Pollution Fault and ‘Check Anti-Pollution System’: What the Warning Means
Summary: ‘Anti-Pollution System Faulty’, ‘Anti-Pollution Fault’ or ‘Check Anti-Pollution System’ is a dashboard warning used mainly by Peugeot, Citroen, DS...
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P0101 Fault Code: Mass Air Flow (MAF) Sensor Circuit Range/Performance
Summary: P0101 is precise about one thing and silent about everything else. It says the engine ECU has compared the...
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P0171 Fault Code: Engine Running Lean (System Too Lean, Bank 1)
Summary: P0171 is not a complaint about a part. It is the engine control unit reporting that it has spent...
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What Is an ECU? What It Does, ECU vs TCM vs BCM, and What a Remap Changes
What Is An ECU? An Electronic Control Unit (ECU) is also known as an Electronic Control Module (ECM) and there...
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- BMW X3 Dashboard Warning Lights: What the Red, Yellow and Green Lamps Mean, and the E83 Units Behind Them
- Mercedes E-Class Dashboard Warning Lights: What the Red and Yellow Lamps Mean, and the Units Behind Them on Older E-Classes
- Audi A3 Warning Lights and Dashboard Symbols: What Each Lamp Asks of You, and the A3 Units Behind Them
- Renault Trafic Dashboard Warning Lights: STOP, the Spanner Lamp and the Main Warnings, Plus a Dashboard That Goes Silent
- VW Tiguan Warning Lights by Colour, and the DSG, Headlight and Turbo Units Behind Some of Them