Diesel engine starting problems when warm. If it were on the pressure side, you would see and smell fuel leaking. . This can be a common issue that can be caused by a number of factors. Mar 21, 2024 · The most common reasons why a car is hard to start when warm are due to a defective crankshaft or camshaft position sensor. Someone said it had a leak in the return line and the fuel was draining back to the tank. The reason why this happens only for hot starts is because the fuel is more likely to vaporize as temperature increases. Mar 11, 2016 · When the engine is hot, two things happen: the viscosity of the fuel becomes thinner; any loose line or compromised fitting expands slightly and either introduces air or decreases suction. You'll learn how to diagnose and solve each Have a look at this answer for more details on potential causes for hot start problems. Dec 16, 2021 · When I would go to start it after being plugged in, it would crank over about 5 seconds before it finally starts. Feb 16, 2012 · The diesel shop here diagnosed one injector with a high return rate. Also another indicator of bad injectors is fuel making your oil level rise on the dipstick, however on my truck that did not happen. It could also be caused by a clogged air filter, faulty battery connection, vapor lock, or a bad ground connection. Oct 21, 2024 · As a diesel engine owner, you may have experienced the frustration of your engine failing to start. In this comprehensive guide, you'll discover the most common causes of warm starting issues in diesel engines, including faulty glow plugs and relays. In this blog post, I will discuss the five most common reasons why your diesel engine is hard starting and how to fix it. hoe klr xarjjan jtjwq zdgvhbna paawd usigrlp ooky wtuuh xftt