<strong>Yahoo Message Number: 101948</strong><br/>Can anyone on here help me with information on an injector pump? We have had black and white smoke coming from our exhaust since climbing the mountain at Vail pass. Coach runs fine but sure puts out a lot of smoke. <br/>We took it into a shop in Lakeland florida and were advised it was a bad injector pump.. (1998 Detroit Diesel , series 40) they...