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Service Engine Soon
09-23-2010, 07:11 PM
2001 Escort ZX2 L4 DOHC
I noticed the service engine soon light come on today. The engine runs a little rough at idle, but normal while driving. I also can hear air coming from the engine when it's running and even for a second or two after I turn off the engine.
I hope this is something minor, but any ideas would be greatly appreciated!
09-23-2010, 10:34 PM
First step it to figure out what trouble code(s) are in the computer. If you can hear a vacuum leak than I would bet that it is a lean code. There is a vacuum elbow that deteriorates frequently. it connects to the intake right below where the throttle body sits.
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