my 1994 ford ranger when i turn the 4x4 and i start goin i hear a rilly loud thunking and also when my pickup is at an idle it reves up and down and we replased my feul filter help me please[img:ff1dcaf07b]http://www.2carpros.com/forum/automotive_pictures/490141_Tylers_pickup_044_1.jpg[/img:ff1dcaf07b]
Feb 25, 2010 at 10:44 PM