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Ok so I had taken a break from working on the Cayenne while I built a new LR3, and started my used parts business. So I am back to chasing this down as I really want to have some fun with the CTT. When it's running right it is so good to drive.
Idle is rough and when revved it is very unhappy. There is occasional back fires as well. Also when revved and you come off the throttle there is a tendency for it to try and stall. It was running smooth before I did plugs and a new starter. So my thoughts are I cocked something up while doing the other work. There is sounds of air moving up by the throttle body and I can't decide if its my mind playing games on me or a vacuum leak.
Voltage running is around 14.2 and a rough idle.
Off Voltage is 12.5
Items replaced
Inlet T as the old one was held together with bubble gum and happy thoughts
Spark plugs
Starter
I have sprayed carb cleaner all around the vacuum line areas with no noted change in the engine.
This is everything that I pulled using the Launch scanner. I really feel like it might have something to do with voltage is there something I could have popped a fuse when doing the starter? Is there a main power bus that I need to be checking. I can see terminal 30 is an issue, is that fuse 30 or something else entirely.
Any thoughts or ideas help etc greatly appreciated
How long has the car been sitting with the gas in it and was that gas stabilized when it was fresh. Stake fuel will cause these issues and I've personally seen gas go bad two separate times in as little as 3 months.
How long has the car been sitting with the gas in it and was that gas stabilized when it was fresh. Stake fuel will cause these issues and I've personally seen gas go bad two separate times in as little as 3 months.
Like immediately. Maybe you got bad gas. Also, if you had been running ethanol enriched fuel, the tank got low and you filled up with non-ethanol you can force a phase separation event and have this type of issue.
Like immediately. Maybe you got bad gas. Also, if you had been running ethanol enriched fuel, the tank got low and you filled up with non-ethanol you can force a phase separation event and have this type of issue.
No about 1/2 way through the tank so about 3-4 days after fill up. Non Ethanol fuel in my area is not a common find.
Anyone have any thoughts on the gateway code 0532 Low system voltage? When I look at DTC that seems to be a climate control issue. Is that correct or am I missing something
01-24-2022, 09:54 PM
Chasing a Misfire and backfire CTT
