I have a 2003 Silverado, 5.3, 4x4. I has 6in lift and 37in tires. Other than that it is stock. The truck is currently running sluggishly, not wanting to accelerate at times, rough idle, etc. Its not throwing any error codes. I have provided some readings. I am an amateur with hp tuners so if I did not provide the right data, please let me know. Thanks in advance for any help I get. cruise.hpl