joepf Report post Posted May 8, 2019 I have a 2004 Tiffin Allegro with a Cummins ISL Diesel that giving me false reading on check engine light and oil pressure light and gauge. I've located the sender but I need to get the right replacement and/or advise of my problem. Can someone help? Thanks, Joe Share this post Link to post Share on other sites
richard5933 Report post Posted May 8, 2019 Have you cleaned and checked the connections? Sometime the problem can have a simple fix. Share this post Link to post Share on other sites
wildebill308 Report post Posted May 8, 2019 1 hour ago, joepf said: I have a 2004 Tiffin Allegro with a Cummins ISL Diesel that giving me false reading on check engine light and oil pressure light and gauge. I've located the sender but I need to get the right replacement and/or advise of my problem. Can someone help? Thanks, Joe Hi Joe, welcome to the forum. What makes you think the readings are wrong? Bill Share this post Link to post Share on other sites
wolfe10 Report post Posted May 8, 2019 Have you downloaded the Cummins computer checking for stored codes? Share this post Link to post Share on other sites
