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Porsche p0491

WebJun 1, 2014 · P0491: Secondary Air B1 Insufficient Flow. I took it to the dealer and they did say it was an intermittent cold start issue. They first replaced the "change over valve … WebHello all, I have a 04 cayenne 3.2 base model, I have a P0491 and a P0492 code, and when I google it up, it only shows the V8 or the twin turbo model, any help would be appreciated, …

P0491 P0492 Porsche Cayenne Secondary Air - YouTube

WebJul 10, 2010 · See pages 6 and 7 of this newsletter pdf: What follows is the abbreviated version of the diagnostic procedure that pertained to my specific case. Refer to the above-mentioned link for the complete protocol. Step # 1: rule out the pump. Easy, mine works like a beast. Step # 2: rule out the check valve. WebJun 19, 2015 · The car has been an absolute dream and lived to all my expectations however I keep having the Engine Fault light appearing every few months! It keeps coming back to the same fault 1. P0491:... china southern airlines melbourne https://dougluberts.com

P0491 code - secondary air system BimmerFest BMW Forum

WebSep 27, 2024 · Recently my '07 Cayman presented engine codes P0491 and P0492 which are associated with the secondary air system. After researching the issue I resolved to test … WebJun 13, 2024 · P0491 and P0492 indicate that you have insufficient air injection flow into the exhaust manifolds. The oxygen sensors are looking for a leaner mixture caused by the air being injected into the exhaust and are not seeing it and setting the codes. ... The Porsche 993 suffered from clogged secondary air injection ports in the heads from carbon and ... WebApr 24, 2024 · So the P0491 is likely related to a failed or failing secondary air pump in most cases. These are the round electric air pumps bolted to the back of each cylinder head. Pretty common stuff. The P0021 is the scary one... Ask Your Own Porsche Question Porsche Mechanic: PorscheDoc That is what is known as a crankshaft to camshaft … grammick house

P0491 OBD-II Trouble Code: Secondary Air Injection

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Porsche p0491

Tech Q&A - Cayman With P0491 And P0492 Codes

WebOn average, the cost for a Porsche Macan Gears slipping when accelerating Inspection is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location. Car Service ... P0491 code means there is a problem on the side of the engine which contains cylinder #1 due to a bad air inlet, faulty wires, relay, pump, or fuse. WebDec 25, 2024 · We hope you find the Troubleshooting Porsche Check Engine Light guide helpful. Check these troubleshooting and repair guides for more help on your Porsche. ... Codes: P0491 or P0492. Mass Air Flow Sensor – Boxer engines are seemingly prone to running lean issues, causing rough idle and hesitation when accelerating. In many cases, …

Porsche p0491

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WebThe P0491 code tell there is a fault with the system – usually that the secondary air flow is too low on bank 1. Bank #1 is the side of the engine with cylinder #1. For bank #2, see … WebWelcome to the restoration & repair shop of Brad Mayeur, a specialist in Vintage Porsche models, especially the 914. With over 40 years of experience with Porsche restorations, repairs, parts & service on the air …

WebNov 2, 2011 · P0491 Secondary Air Injection System, Bank 1 - Insufficient Flow P0492 Secondary Air Injection System, Bank 2 - Insufficient Flow Possible cause of fault - Electrical fault in power supply or line between relay and secondary air injection pump - Secondary air injection pump relay mechanically faulty WebThere are a few things to inspect when this code comes up. The first is to inspect the system checking for a proper seal. Check the connection pipes and hoses between the secondary air system, (AIR), pump motor and the …

WebHere is my (hopefully temporary) problem: Recently my 2004 Cayenne S (115,XXX miles) has been lacking a little bit of power since I had bought it in 2014. I went through the check list of what it could be: Spark plugs, Coils, Air Filters, Throttle … WebI just purchased a 2005 Porsche Cayenne with 78k miles. I want to get the 80k service and am considering go through an independent mechanic. I'm torn on whether to go through Porsche (much more expens … read more

WebCode P0491 and P0492 ???? - Pelican Parts Forums Pelican Parts Forums > Porsche Forums > Porsche Cayenne & Macan Forum Code P0491 and P0492 ???? Register Garage FAQ Community Calendar Today's Posts Search Notices Welcome to the Pelican Parts Forum! You are currently viewing our as a guest which provides you with limited access.

WebJan 14, 2024 · Originally Posted by TheKenR Well the PCM will set the 0491/0492 codes based on what the O2 sensors see. So if there is a link then perhaps the faulty PCV valve is changing the exhaust mixture on the passenger side bank and the PCM mistakenly thinks the SAI system is not flowing properly? Only a guess because I don't know how the PCV is … grammichele newsWebOBD-II Trouble Code Description for P0491 Porsche Secondary Air Injection System Insufficient Flow The OBD2 Code Information Be Applicable For Porsche: china southern airlines nlWebSep 2, 2024 · Here are the common triggers of the P0491 code: Damaged air pump; Malfunctioning exhaust check valve; Circuit issues, such as damaged wires or poor … grammichele sicilyWebJul 29, 2007 · I recently installed K&N's FIPK (PN 63-7000) in my car and just passed 250 since the install and in the last 5 days I've had the check engine light come on with two fault codes (P0491 and P0492), which is Secondary Air Bank 1&2. I cleared the codes the first time and 5 days later it came back. china southern airlines online check inWeb What Does the P0491 Code Mean? An air pump is used on the vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module ( PCM) grounds the Air pump relay control circuit which energizes the Air pump. The PCM also grounds the Air combination valve vacuum control solenoid circuit, which energizes the Air vacuum control solenoid. grammieland hotmail.comhttp://forums.pelicanparts.com/porsche-cayenne-macan-forum/1098714-code-p0491-p0492.html grammier funeral home groves texasWebPORSCHE CAYENNE SECONDARY AIR PUMP CODE RELAY LOCATION REPLACEMENTIn this video we will show you where the secondary air pump relay is located on Porsche Cay... grammi crackers