I need advice on troubleshooting a problem on my 1997 Mercury Tracer, ENG: 2.0 and has approximately 153,000 miles. The problem is as follows; The car starts ok, however, it runs EXTREMELY rough at idle. If I bring up the RPM above 2100 the car will run smoothly. The problem is getting it up there. The only way to do this is by gently applying preassure on the accelarator. As soon as I put it in gear the car shuts off.
I hook it up to a code reader and it gives me the following code; P0340 (Camshaft Position Sensor Circuit) Bank 1 or single sensor. The freeze frama date reads as follows: