My daughter's 1996 Taurus idles rough and shifts hard into drive when pulling away from a stop or when first put it into gear. She says the gas milage isn't as good as it was, but I don't think she's checked the exact milage. The rebuilt engine has about 22,000 miles on it and did run smoothly until about 7 or 8 months ago. I've replaced the sparkplugs and sparkplug wires, but the ones I took out looked like they were still in very good shape. The sparkplug for the no. 1 cyl. Was very slightly discolored, but I pulled off the wire and there is a strong spark. I had a code for something in the egr system and had a mechanic replace a valve that was a DPL? Or something like that. It looks like it provides pilot pressure to the egr valve. Anyway that got rid of the code, but didn't correct the rough idle. I've looked for vacuum leaks, but I don't see anything loose or hear anything obvious. I hope someone can help steer me in the right direction. Thanks
have the same problem?
Monday, January 31st, 2011 AT 2:23 AM