WebCustomer: I have a 2007 Carrera 4 (997) with a rough idle (13K miles). Dealer says everything is fine. I disagree. Some blogs said replace MAF sensor ($300) other say replace coil packs. ... Porsche M97 engine hard start after fueling part is vapor. 4.5.2024. PorscheDoc. Independent Porsche shop owner. 500 Satisfied Customers. WebDec 25, 2024 · Locate the OBD-2 port under the dashboard and plug in your scanner. Turn on the ignition and allow the scanner to power up. Press ENTER and select your Porsche model from the list. From the main menu, scroll down to Read Codes. Fault codes will show on your LCD and describe the problem.
Smoothing Out the Shakes — How to Fix a Rough Engine Idle
WebApr 19, 2024 · Access the Contributors Only Forum. Contributing Members Only Downloads. Send attachments with PMs. All image/file storage limits are substantially increased for all Contributing Members. Option Codes Lookup. VIN Option Lookups (limited) By stan8404, January 22, 2011 in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) WebMay 5, 2015 · If the CHT sensor is bad, it will tell the ECU that the car is properly warmed up when it is not. This can cause too rich of a fuel mixture similar to what a bad O2 sensor (or MAF unit) will do. This will cause very rough starts and idles. Replacing the CHT will usually solve the problem straight away. Figure 3. philips hue forum
Rough idle - Car stalled while driving - 997-1 Series (Carrera, …
WebDec 25, 2024 · Locate the OBD-2 port under the dashboard and plug in your scanner. Turn on the ignition and allow the scanner to power up. Press ENTER and select your Porsche … WebOct 25, 2014 · Friday 24th October 2014. Like I say never an issue before and it only flashes for about a minute whilst idling and was then fine. Not had any more issues since and it's being raining and cold ... WebMy 2004 911C4S has a rough idle that makes the car vibrate. Just a slight increase in RPM makes it smoothe out. I've changed spark plugs, fuel filter, air filter, cleaned the injectors and throttle body. Even replaced a worn out transmission mount. Runs great at speed but shakes when idling in stop and go traffic. philips hue force update