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PeterC4

Warning lights on, ABS, PSM failure during race day

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On a racetrack today with my '04 996 C4S and after a few laps, PSM failure light came on. Thought the car was maybe a little too hot. Stopped and cooled down for a while, went back out and then it seemed okay, then other warning lights went on PSM ABS failure, Check Engine. Car went into pits, and then wouldn't start. All warning lights went off when boosted and then the car wouldn't run correctly or more than 20km/h. Had to tow the car back to the City. I think its the alternator. I'll report back to readers. The most unnerving thing that happened is during the back straight, the lights went on and car lost power. Despite being an '04... you can appreciate the electronics at work in these cars. I hope its only the alternator. Sure was an expensive tow 210 kms back to Toronto, from Shannonville Racway.

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On a racetrack today with my '04 996 C4S and after a few laps, PSM failure light came on. Thought the car was maybe a little too hot. Stopped and cooled down for a while, went back out and then it seemed okay, then other warning lights went on PSM ABS failure, Check Engine. Car went into pits, and then wouldn't start. All warning lights went off when boosted and then the car wouldn't run correctly or more than 20km/h. Had to tow the car back to the City. I think its the alternator. I'll report back to readers. The most unnerving thing that happened is during the back straight, the lights went on and car lost power. Despite being an '04... you can appreciate the electronics at work in these cars. I hope its only the alternator. Sure was an expensive tow 210 kms back to Toronto, from Shannonville Racway.

Alternator..... When mine went out it acted about like yours. . I put in a new battery when replacing the alternator just in case. Good luck...

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