Porsche p0491
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. WebError Code P0491 is defined as Secondary Air Injection System Insufficient Flow Bank 1. This means there’s a problem on the side on the engine that holds the cylinder #1, usually …
Porsche p0491
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Web 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. 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 …
WebPossible sumptoms of OBD code P0492 Porsche – Engine Light ON (or Service Engine Soon Warning Light) Causes Possible causes of OBD code P0492 Porsche – Intake leak – Damaged AIR system components – Faulty AIR Solenoid Valve – Faulty AIR system relay Possible Solutions The OBD2 Code Information Be Applicable For Porsche: 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
WebSep 4, 2024 · I went to ECP and picked up a OBDII scanner and it comes up with: P0491 Secondary Air Injection System Insufficient Flow Bank 1 P0492 Secondary Air Injection … WebJul 29, 2007 · Ask A Question 2003 996 C4 Fault Code P0491 and P0492 asked on Sun 07/29/2007 Engine Vehicle Information: Model: Carrera 4; Year: 2003; Body Type: …
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 ...
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 … bl902hw 説明書WebAug 25, 2024 · Fault codes p0491 andp0492 204 porsche boxster s not mechanical. Fix all mechanical part it keeps coming back. Fix all - Answered by a verified Porsche Mechanic daughter stands up to momWebApr 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 … bl9309cb5trWebJun 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 … bl9309cb6trWebSep 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 … bl902hw 遅いWebError Code P0492 is defined as Secondary Air Injection System Insufficient Flow Bank 2. This means there’s a problem on the side on the secondary air injection system, which is responsible for emissions control. This code is a generic trouble code, meaning it applies to all vehicles equipped with OBD-II, or vehicles made since 1996 up to present. daughters store austinWebFind a Dealer. Use my current location. Or. daughter starts mother smoking