WebJan 19, 2024 · The Porsche System Tester 2 (PST2) is a rare and expensive tool that can be used to diagnose multiple car systems on a variety of Porsches. Every dealer has one of these, or the later-model PIWIS tester so that they can quickly diagnose problems and change settings on the various computer systems within the car. WebDec 23, 2024 · Poor acceleration. The most obvious sign of clogged catalytic converter in Porsche 911 is slow acceleration or degraded engine performance. When you press the gas pedal from a stopped position, the vehicle may accelerate normally initially. But after reaching a certain speed, the performance of the engine will drop due to blockage of …
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WebP0431 Warm Up Catalyst Efficiency Below Threshold (Bank #2) P0432 Main Catalyst Efficiency Below Threshold (Bank #2) ... One other option, there is a company who make a specific-for-Porsche OBDII reader - here for your car: Durametric Good Luck! Read full answer. Sep 16, 2013 • Porsche Cayenne Cars & Trucks. 0 helpful. WebFeb 18, 2024 · The P0431 code indicates the powertrain control module (PCM) has perceived the warm up catalytic converter (on bank 2) is not operating properly. If your … key west parts and accessories
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WebAug 30, 2024 · I need help DTC OFF P0421, P0431 Porsche Cayenne S 2008 P0421 Warm up catalyst efficiency below threshold bank 1 P0431 Warm up catalyst efficiency below … WebNov 11, 2024 · P0431 Catalytic conversion, bank 2 – above limit value Possible cause of fault - Oxygen sensors in front of and behind catalytic converter are interchanged - … WebHi Folks, My 997 is showing codes P0431 and P0421. I understand that these refer to catalyst (in)efficiency. Could this just be downstream 02 sensors or am I in for replacing … is la rams nfc or afc