Why is my Porsche 911 engine not starting?
If the relay doesn’t fix it, it could be the DME computer itself, faulty sensors (flysheel speed and position), or faulty grounds. Try disconnecting the DME computer and cleaning the contacts. 7. Check all ground connections (brown wires) for corrosion. Disconnect them, clean them, and replace.
How to troubleshoot a Porsche 911 Carrera engine?
Here’s a few useful 84-89 carrera tidbits that others sent me while going through my recent diagnosis. 1. Remove a spark plug wire and insert a test plug into the wire, place it next to the engine, have someone crank the engine and look for a spark (or remove one of the plugs and do the same).
What are the symptoms of a bad idle control valve?
$0.00 1 Irregular idle speed One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. 2 Check Engine Light comes on Another symptom of a potential issue with the idle control valve is an illuminated Check Engine Light. 3 Engine stalling
What are the symptoms of a bad fuel pressure regulator?
The symptoms are very noticeable, too. You may notice a very rough idle, rough acceleration, slow acceleration, and vibrations from the engine. There are also many causes of engine misfires. It can be a problem in the spark plug or the ignition coil.
What to do if your car Idles all the time?
Try disconnecting the O2 sensor wire in the engine bay, if the idle improves you’ll know that the O2 is affecting the situation. The sensor is out of the loop until it warms up a bit and that’s when this issue seems to manifest.
Can a closed throttle idle switch work on a pelican?
One more update: Closed throttle idle switch works properly, registering about 6 ohms at closed throttle and open circuit when throttle is moved. WOT switch also works properly, registering open circuit until pedal nears the floor and then about 6 ohms.
How does pressing the gas pedal kill the engine?
Barely pressing the gas pedal kills the engine. Opening the throttle a bit more aggressively revs it up just fine but when you let go it drops back down and may or may not actually die.