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  1. thefatmech.com › how-to-fix-depollution-systemHow to Fix the Depollution System Fault in a Peugeot 207

    Oct 20, 2023 · Faulty Exhaust Gas Recirculation (EGR) Valve. A damaged or clogged EGR valve can cause poor exhaust emission control and trigger the depollution system fault warning. To fix this issue: Locate the EGR valve on your car. This valve is typically located near the intake manifold and connected by hoses and wires.

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  3. www.peugeotforums.com › threads › 207/1/6-se-the207 1.6 SE - the dreaded "depollution system faulty"

    Feb 29, 2016 · The dreaded 'depollution system faulty' came up last July on my 207 1.6 SE (2007). I took it into a Peugeot garage who said the fault codes were related to the catalytic converter, camshaft dephasing sensor as well as a brake light switch fault. They also said the exhaust was on the way out, showing signs of corrosion.

  4. thefatmech.com › what-is-depollution-system-faultyUnderstanding Depollution System Faulty in Peugeot 207

    Oct 9, 2023 · An improperly functioning EGR valve can also trigger the “ Depollution System Faulty ” message. Such valves could result in excessive NOx emissions, poor engine performance, and even contribute to premature engine wear. A telltale sign of a faulty EGR valve might include competitive stalling and jerking motions when accelerating.

  5. www.peugeotforums.com › threads › 207cc-depollution207cc "depollution system faulty" - Peugeot Forums

    Dec 4, 2020 · 207cc "depollution system faulty". So this is my first post as I've just been pointed in this direction.. fingers crossed! In August my '08 207cc was acting a bit sluggish, stalling a few times on start up (especially in the cold) sputtering in the first couple of minutes of driving.

  6. thefatmech.com › what-causes-anti-pollution-faultUnderstanding the Causes of Anti-Pollution Fault in Peugeot 207

    Sep 26, 2023 · If you suspect that the Anti-Pollution Fault warning could be due to low-quality fuel or using the wrong type, empty the tank and refill it with the recommended fuel grade before resetting the fault code. Badly worn spark plugs or ignition coils: Damaged or aging spark plugs or ignition coil failures can negatively affect the combustion process ...

  7. mechanics.stackexchange.com › questions › 19614Peugeot 207 depollution fault - Motor Vehicle Maintenance ...

    Aug 26, 2015 · I have a 2008 Peugeot 207, 1.6 Turbo and lately the depollution system is faulty - the check engine sign lit. The car still has the power of a 1.6 engine but the turbo is not working. One mechanic told me to remove the CAT and the problem will be fixed, but when I asked another mechanic he told me that if I remove the CAT the engine will be at risk of breaking and in few weeks i would need a ...

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  9. www.peugeotforums.com › threads › depollution-faultDepollution Fault Returns Again (Peugeot 207 1.4L 16V)

    Sep 26, 2024 · 10096 posts · Joined 2020. #4 · Sep 27, 2024. PEUGEOT 207 1.4 16V ET3J4 (KFU) 2006 - 2009. These are in order of how you should fix them. DTC P0353 Ignition coil 3 primary/secondary circuit/open. Assuming the wiring is okay, then replace the coil. DTC P0354 Ignition coil 4 primary/secondary circuit/open. Assuming the wiring is okay, then ...

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