06:50 outside of Capitol Reef National Park, Utah 14* Fahrenheit (-9* Celsius) ambient temperature Elevation 5200 feet (1580 meters) Cold starts taking longer, requiring several glow plug cycles, and also first notice of an oil leak originating from the oil cooler in the mornings. In this video, am running Motorcraft 15W-40 synthetic oil (https://amzn.to/39hTMX8) alongContinue reading “7.3L Powerstroke diesel – Rapid cold start reliability”
Tag Archives: 7.3l Powerstroke
CEL P1391 & P1393 |OBS 7.3L Powerstroke | Glow plugs, valve cover gaskets & wiring harness, glow plug relay
Addressing check engine light for DTC’s P1391 and P1393: Glow Plug Circuit Low Input Bank 1 & 2. Started by replacing all 8x Motorcraft glow plugs, but after checking resistance of each plug, found them all to be acceptable, low ohms. Went ahead and checked resistance of new glow plugs and installed all new. Next,Continue reading “CEL P1391 & P1393 |OBS 7.3L Powerstroke | Glow plugs, valve cover gaskets & wiring harness, glow plug relay”
For Sale: 7.3L Powerstroke, OBS Truck Parts
OBS single cab, rear glass, fixed pane, 20% ceramic tinted. Used, $200 USD Resources Rear window gasket (ebay link) OBS 7.3L factory fuel filter bowl
Engine oil leak at cold start | OBS 7.3L Powerstroke oil cooler replacement
After a month of winter traveling at high elevation in Utah, truck developed a nasty oil leak at cold starts. Leak goes away after reaching operating temp, yet continues to weep oil after shutting down and cooling off. The 7.3L Powerstroke’s oil cooler is a tubular heat exchanger between engine oil and coolant along theContinue reading “Engine oil leak at cold start | OBS 7.3L Powerstroke oil cooler replacement”
Manolo al Sol 