There are a lot of threads here about white smoke, but most of them also report a coolant smell in the exhaust, indicating a failing water seal.
I've got white smoke for 30 seconds or so on a cold start, but zero coolant smell from the exhaust, and it starts up fine while cold. It does idle roughly for those 30 seconds, and then it's fine after that. There IS a coolant leak somewhere. I can smell coolant in the engine bay after running it for a while, and the coolant level is dropping. But no coolant smell in the exhaust. It needs additional coolant daily.
This could be a separate issue, but in addition to the above, it has trouble starting when it's hot. To get it to start when it's hot, I crank it for about 2 seconds, then release the ignition. I repeat that 2 or 3 times, and then it fires right up. Then it has a rough idle for 5-10 seconds.
Once it's started up and running smoothly, there's no loss of power or any other problems while driving. No problems idling at stoplights. All the problems are right at startup.
I just bought it a few days ago, and the previous owner just recently changed the coils and wires. I changed the spark plugs 2 days ago, and when I did, the rear 2 plugs came out with black, sticky goo on them. Probably not coincidentally, I'm getting a flashing CEL (misfire), and the code indicates it's the rear rotor.
I'm working my way through the troubleshooting tips in the misfire and rough idle threads. In the meanwhile, I was wondering if anyone had any ideas about what could be going on.
I had an RX-8 before, but I had to sell it 9 years ago to move overseas. I'm back now, and really glad to have an RX-8 again, even if it does have a few problems ;)
I've got white smoke for 30 seconds or so on a cold start, but zero coolant smell from the exhaust, and it starts up fine while cold. It does idle roughly for those 30 seconds, and then it's fine after that. There IS a coolant leak somewhere. I can smell coolant in the engine bay after running it for a while, and the coolant level is dropping. But no coolant smell in the exhaust. It needs additional coolant daily.
This could be a separate issue, but in addition to the above, it has trouble starting when it's hot. To get it to start when it's hot, I crank it for about 2 seconds, then release the ignition. I repeat that 2 or 3 times, and then it fires right up. Then it has a rough idle for 5-10 seconds.
Once it's started up and running smoothly, there's no loss of power or any other problems while driving. No problems idling at stoplights. All the problems are right at startup.
I just bought it a few days ago, and the previous owner just recently changed the coils and wires. I changed the spark plugs 2 days ago, and when I did, the rear 2 plugs came out with black, sticky goo on them. Probably not coincidentally, I'm getting a flashing CEL (misfire), and the code indicates it's the rear rotor.
I'm working my way through the troubleshooting tips in the misfire and rough idle threads. In the meanwhile, I was wondering if anyone had any ideas about what could be going on.
I had an RX-8 before, but I had to sell it 9 years ago to move overseas. I'm back now, and really glad to have an RX-8 again, even if it does have a few problems ;)
Rough start and white smoke, but no coolant smell in exhaust
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