I got this tip from Brad Mayeur. He said to unplug this 2 wire plug and the engine will run better. My engine is a 2.0L D-jet. When plugged in at cold start the engine runs well until engine warms up. Then it will die. If I keep it unplugged it runs fine. So what does this do and why does the engine runs better without it? Brad says that due to the age of the cars it doesn't work like it should. Just want to know why it is?
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