Dedicated to performance modifications and repair and maintenance information for Dodge & RAM trucks with the Cummins diesel engines, EcoDiesel, and HD gas engines. We’ve got articles covering the legendary 5.9 Cummins 12v and 24v engines, 6.7 Cummins, EcoDiesel, and more.
The Cummins “53” Block was used in Cummins 24 valve ISB diesel engines from 1998.5-2002. Manufactured by Brazilian company, TUPY. The “53” block casting has thin water jacket walls that are susceptible to cracking. With coolant cavitation, corrosion, coolant pressure in the block, frequent or heavy towing they may crack, causing a loss of coolant. Failing to…
The Cummins 5.9L “B-Series” diesel engine was produced from 1984 up until 2007. First generation versions were named the 6BT but also commonly referred to as the 12v, or 12-valve. Each cylinder had 2 valves, hence the name 12-valve. Midway through 1998, the 6BT was replaced with the ISB, which stands for “Interact System B”….
If you Google P1693, you will probably see something that reads “Turbo Charge Control Circuit Malfunction”. However, on Cummins turbo diesel engines, this code has nothing to do with the turbocharger. P1693 is considered the “companion code”. It is triggered when the powertrain control module (PCM) detects a code that us not actually associated with the…
