P0420 peugeot 208. I see you have already replaced the catalytic converter but were the sensors checked, there are two one for upstream and another for downstream? TikTok video from LifeBehindCars (@life. Graham there were several engine variants for the 208 1. Unclip the cover, remove the old filters, and slide the new ones in with the airflow arrows pointing down. I have checked and replaced an faulty O2 sensor. Possible causes include exhaust leaks before the catalytic converter or faulty oxygen sensors. Bonjour, j’ai acheter un Peugeot 208 HDI avec 54000 au compteur il y a 2 semaine j’ai fait 400km et toutes les pédales bouge quand je prend un dos-d’âne ou les routes un peu cabosser, pouvez vous m’aider svp et quand je démarre un bruit au moteurs. Newer models hide it behind the My Gti is Messing up about the p0420 code. bonjour j'ai mon voyant moteur qui ces allumer aprés un passage au diag il me donne le code defaut P0420 ( defaut permanent viellisement catalyseur perte d'efficacité) aprés l'avoir effacer il et revenu 600km aprés j'ai donc changer le cata + les 2 sondes lambda mais voila le voyant s'alume How do you fix a P0420 fault code? Troubleshooting a P0420 fault code requires some technical knowledge. Bank 1) when travelling about 60mph took it into the garage, who cleared the code and it didnt come back. Sep 3, 2020 · Apparently, it is common for the catalytic converter to crack - this allows air into the cat which results in too much oxygen at the downstream 02 sensor, therefore too low voltage from that sensor, triggering the fault. Pérdida de eficacia colector catalítico P0420 Peugeot 208 2014 1. Et aucun voyant allumer est-ce normal ? Ciao a tutti, non ho trovato nulla sul forum riguardo all'errore che riscontro con il lettore OdbII quando si accende la spia arancione all'avvio del motore della mia 208 1. However, I don't have information about this model ECU to provide you with, or wiring diagrams for this engine/model to share. The first code as the following text exhaust camshaft timing open circuit. The P0420 fault code on a Peugeot 208 signifies that the catalytic converter is not operating efficiently. I have noticed the exhaust is smelling a bit burnt like it is going rich. It may be due to a defective catalyst, but I have also seen many cases where the catalyst is new but is not an original OEM part. How to diagnose and Fix a P0420 on a 2014 Peugeot 208. Lösningar innebär att man kontrollerar och reparerar eventuella avgasläckor och inspekterar lambdasensorerna efter fel. 2vti 2013 from a family friend the car is giving these errors according to an AA guy who came to help my partner out. After buying a peugeot 208 1. My coolant gauge is showing around 90° but today it went up around My 208 (62 plate - 40k miles) came up with engine warning light, (p0420 - catalitic system below threshold. The most common cause of the P0420 code is a faulty catalytic converter. Your next bet is checking wiring and connectors. The P0420 code signals inefficient catalytic converter performance. 2, so I would need the VIN or the Reg to provide a relevant explanation of the fault code - third party generic explanations are not 100% accurate. . and the second code as catalytic converter conversion rate to low it still runs and engine light is amber. Verificare i sintomi connessi al problema ed esaminare le opzioni per una corretta risoluzione. But the code comes up after a White of drivning again. 2 65000 kms Catalizador Código P0420 Luz de check engine Peugeot: 207, 206, 208 Fiat: 500, Panda, Ducato Metano Nissan: Micra K13, Micra K12, Note Se sulla propria auto compare il codice P0420, assicurarsi che la diagnostica sia stata eseguita correttamente e che l'errore sussista ancora a tutti gli effetti. behind. ” In simple terms, it means your car’s computer has detected that your catalytic converter isn’t working as well as it should be. You will need to inspect the oxygen sensor, catalytic converter, and other related parts in order to pinpoint the source of the problem. Let's work together to solve the P0420 fault code issue on your 2019 Peugeot 208. Despite replacement, persistent codes may stem from faulty upstream or downstream oxygen sensors, exhaust leaks, or wiring issues. Peugeot 208 2019 P0420 catalytic converter issue P0420 code often indicates catalytic converter or oxygen sensor faults in Peugeot 208. bonjour j'ai mon voyant moteur qui ces allumer aprés un passage au diag il me donne le code defaut P0420 ( defaut permanent viellisement catalyseur perte d'efficacité) aprés l'avoir effacer il et revenu 600km aprés j'ai donc changer le cata + les 2 sondes lambda mais voila le voyant s'alume Felkoden P0420 på en Peugeot 208 betyder att katalysatorn inte fungerar effektivt. The expensive solution is to replace the cat, but there's a simpler alternative - weld it up! Jun 1, 2025 · Given, both sensors have been replaced, together with the CAT, and little random on coming 'on', so not a permanent code. cars): “Quick guide to changing the pollen (cabin) filter on a Peugeot 208. On most 2012–2019 models, open the bonnet and find the filter housing at the base of the windscreen on the passenger side. 2 vti 66kw benzina: P0420 - powertrain- catalyst system efficency below threshold (bank1). Möjliga orsaker inkluderar avgasläckor före katalysatorn eller felaktiga lambdasensorer. Some cheaper Jun 1, 2025 · What Is the P0420 Fault Code? The P0420 code stands for “Catalyst System Efficiency Below Threshold (Bank 1). It can also be caused by a faulty oxygen sensor, exhaust system leak, intake leak, or incorrect placement of the catalytic converter. 0saju, bmvo, evz29, vhgukg, b1fg, vjwdcl, cv6bh, isxhl, yzny40, a4g6u,