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Pirate209 · 08-15-2001, 11:13 AM

I had a similar problem with my 97 F150 with a 4.6. The light flashed and it would idle rough but would smooth out when it would rev up in the upper RPMs. It turned out to be two spark plugs. I would not take it to the dealership. It cost me 140 dollars for them to hook it up to the machine and change two spark plugs. Check your spark plugs first that may be your problem and could save you lots of money.

08-15-2001, 11:13 AM	#7
Pirate209 Registered Member Join Date: Jun 1999 Location: Greenville, NC, USA Posts: 34	I had a similar problem with my 97 F150 with a 4.6. The light flashed and it would idle rough but would smooth out when it would rev up in the upper RPMs. It turned out to be two spark plugs. I would not take it to the dealership. It cost me 140 dollars for them to hook it up to the machine and change two spark plugs. Check your spark plugs first that may be your problem and could save you lots of money.