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1BDSTRM
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2000 Porsche Boxster misfire 1, 2, 3,4
1BDSTRM replied to 1BDSTRM's topic in 986 Boxster Convertible Top Issues and Solutions
I would agree except that the misfire happened before ever changing the coil packs and plugs. The car had ran for a year without issues. The previous owner only drove it maybe once or twice a month so it didn't see much run time. I purchased it and started using it as a daily. It has some oil leaks at the valve covers so I took to the car wash sprayed it down with degreaser and washed the crap out of it. Drove for about three miles to a hard left accelerating hard through the corner and it started stumbling almost died. That is what led to changing the coil packs. Now present time I have changed all the components aforementioned. When looking at the live data when running the misfires go away above approximately 1780 rpm.drop below that and the misfire comes back. Didn't know if maybe the variocam or camshaft position sensor on bank 1 needed to be replaced. Thanks for the info though. I put a little dielectric on the boot last night to help get the thing to seat. What a pain. -
I have a 2000 Porsche Boxster I purchased about a year ago. 125,000 miles on it. Had no issues with it except a few drivetrain issues. I had stopped one morning on the way to work and pressure washed the transmission and the bottom of the engine. About half way there it started running rough. Thought maybe I might have got the coils wet. The car sat for twelve hours. Cranked it it still ran rough, drove it home basically in third gear and to the pedal to the floor. Hooked it up to a friend of mine diagnostic machine. Gave misfire code for cylinders 1, 2, 3, and 4. Also O2 sensor for Bank 2 ahead of catalytic converter. I have removed the throttle body cleaned it, discovered I needed to change the AOS. So this is what has been done. Throttle body cleaned Intake cleaned MAf cleaned New air filter New NGK coil packs New plugs 4 new Bosch oxygen sensors IMS has not been changed yet, next on the to do list. I don't have Porsche mechanic nearby to take it to. I do the majority of my on work. But without throwing a ton of cash at it and just start buying and replacing all the other sensors. Just seeing if I can get some help on here. Appreciate it. Thanks in advance.