https://www.dieseltruckresource.com/forums/ Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only. en Wed, 20 May 2026 00:38:00 GMT vBulletin 60 https://www.dieseltruckresource.com/forums/images/misc/rss.jpg https://www.dieseltruckresource.com/forums/ https://www.dieseltruckresource.com/forums/12-valve-engine-drivetrain-100/help-white-smoke-difficulty-restarting-after-driving-337093/ Mon, 18 May 2026 10:50:20 GMT I am trying to find the source of the white smoke at idle that is worse on acceleration on my 1991.5 ve Cummins I have ball honed the cylinders, replaced the piston rings, replaced the head gasket,... I am trying to find the source of the white smoke at idle that is worse on acceleration on my 1991.5 ve Cummins I have ball honed the cylinders, replaced the piston rings, replaced the head gasket, new cylinder head with new valves, seats, springs, arp headstuds, oil pump, water pump, new radiator, thermostat, intercooler, starter, air filter, hx 35 turbo, hvlp, fuel filter, Oregon fuel injection stock rebuild injection pump, ddp 5x12 injectors and have checked piston protrusion, correct thickness head gasket, injection pump is on tooth e, and I have rotated the injection pump every way within the slots for adjustment, have deleted the wif sensor, and fuel heater all with no change to the smoke, and now the truck has started a recent hard hot restart needing to be cranked several times while flooring the throttle truck has 290,000 miles and has no visible fuel leaks, have bled air out of the lines extensively, cracked open each injector with a noticeable miss sound without clearing up the smoke on each injector ]]> 12 Valve Engine and Drivetrain Oldiron1991 https://www.dieseltruckresource.com/forums/12-valve-engine-drivetrain-100/help-white-smoke-difficulty-restarting-after-driving-337093/