I have a '96 Explorer. In '98, I gave someone a jump and the light came on soon afterward. 
 
The car ran fine, so I did the black electrical tape fix and it's been that way since. Have had other work done on it(brakes, hoses, belts etc.) and my mechanic never mentioned it. 
 
I had some stalling and rough ride after an oil change, and I opened the hood and the oil guy checked the air filter and didn't seat the housing back properly so I reset it and no problems. Now I tell them not to check the air filter. 
		
	
		
		
		
		
		
		
		
		
		
	
		
		
	
	
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