Is the Porsche 993 battery charged while driving?
A properly functioning and fully charged battery is a crucial component to any vehicle. Ensuring the battery is being properly charged while driving can give you peace of mind knowing that your Porsche 993 will be ready to go the next time you are. This article applies to the Porsche 993 (1993-1998).
What kind of draw does a Porsche 993 have?
The normal draw on the battery in the 993 with the car at rest is between 35-55 milliamps (mAh). Test for parasitic draw on the battery by following these steps: Disconnect the negative cable (black) from the battery. Ensure your multimeter is set to measure amps and the probes are connected to the highest ampere setting.
What should the battery draw be on a 993?
Check that no interior or trunk lights are staying on after the car is parked and locked up. If you are unable to locate any potential issue, then the current draw on the battery can be checked with a digital multimeter. The normal draw on the battery in the 993 with the car at rest is between 35-55 milliamps (mAh).
How does the alternator work on a Porsche 993?
The alternator is one of the main components in the Porsche 993’s electrical system as it charges the battery and produces power to operate various electrical components when the engine is running. If tension is set too loose on the alternator drive belt, the pulley can slip and proper alternator operation can be disrupted.
Why does my Porsche 993 have no start?
This article applies to the Porsche 993 (1993-1998). A no-start condition can be extremely frustrating and inconvenient, especially for those who rely on their Porsche 993 for daily driving duty. Frequently, the root cause is electrical as there are many circuits and systems that must be activated in order for a car to start.
Why does my 993 key fob not start?
Try replacing the relay with a known good one. Another possibility is that the immobilizer is being triggered. 993 key fobs have a wireless transmitter that speaks to a receiver in the car. If they become out of sync with each other, the car won’t start. Having the fob re-learn itself to the car can fix this problem.
What happens when the DME relay goes bad on a 993?
There is a common issue in 993s where what is known as the “DME Relay” goes bad. The starter motor works fine, but the ECU won’t give the engine the signals it needs for fuel and spark. Try replacing the relay with a known good one.