How do I start 993?
Lock the car using the remote. Unlock the car, open the driver’s door, get in, close the door, insert the key in the ignition, and rotate the key to the start position. If that fails, return the key to the off position and activate the remote. If the doors lock, the immobilizer is now armed.
Is there a Porsche 993 that won’t start?
A Porsche 993 that won’t start can be very frustrating, but with a few simple checks you can rule out some relatively inexpensive problems. This article applies to the Porsche 993 (1993-1998). You try to start your Porsche 993, and it’s just not happening. The engine cranks over but nothing more.
Do you need a battery to start a 993?
Continue reading to learn how to diagnose a 993 with starting issues. The 993 needs a good battery in order to power fuel and ignition as well as crank the engine over fast enough to start. To check the condition of the battery, it has to be measured while under load. To do that you only need a multimeter that can measure at least 15 volts.
Why does my 993 key fob not start?
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. Figure 3. Part of the immobilizer system is inside the key fob.
Why is my starter motor not working on my 993?
The starter motor cranks the engine, but it wont fire up. 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.
A Porsche 993 that won’t start can be very frustrating, but with a few simple checks you can rule out some relatively inexpensive problems. This article applies to the Porsche 993 (1993-1998). You try to start your Porsche 993, and it’s just not happening. The engine cranks over but nothing more.
What should I do if my Porsche 993 is idling?
Spray some PB blaster or WD-40 the night before on the O2 sensor bolt at the bung hole to make removal much easier. If the O2 sensor is good, then check the temperature sensor. The wiring harness may be cracked or damaged. If the CHT sensor is bad, it will tell the ECU that the car is properly warmed up when it is not.
Continue reading to learn how to diagnose a 993 with starting issues. The 993 needs a good battery in order to power fuel and ignition as well as crank the engine over fast enough to start. To check the condition of the battery, it has to be measured while under load. To do that you only need a multimeter that can measure at least 15 volts.
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.