I have a D21 KA24E engine 1996 Nissan PU and ithe "oil" dipstick should be right next to the spark plug wire going to #4 cylinder. It is between the engine and the brake booster. It has a yellow loop...
As with most automotive computers the normal procedure for resetting the cars computer is to disconnect the battery for one mintue. After that reconnect the battery and your vehicles computer should...