WebFeb 11, 2008 · After the tune-up there was no starting problems, but now a few months later, its hard as shit to start when its warm, Whats the deal? 90 4runner, v6, 5spd, toyota SAS, rear leaf swap, 5.29's, 38.5 boggers...95 Chevy 1500 350 4x4 WebJun 24, 2005 · 1,389 Posts. #8 · Jun 21, 2005. A buddy of mine had a similar problem with his 98 350. It ended up being his fuel pump. The mechanic said that the truck needs x amount of pressure to start the motor and with the pump getting weak, it would start hard when it was warm. Just my $.02 work.
Hard starting when engine is warm only. - CarGurus
WebDec 3, 2024 · But when it refuses to start on a hot engine, you need to find out the cause because it may result in irreparable damage. A lot of causes come with a hard-starting engine when warm. Vacuum Leak. Vacuum … WebApr 27, 2011 · 356 Posts. #4 · Feb 12, 2010. Cold pumps will prime and hold pressure better. Once it gets hot from running too hard, it will back flow. Sometimes running a fuller tank of gas will help for a bit till you can replace it because the gas flow keeps it cooler. K. may you live to 120
Hard Start when warm Subaru Outback Forums
WebJul 20, 2012 · Do you see any smoke or haze coming from your exhaust when hot?? My truck had the exact same symptoms as yours. The diesel shop here diagnosed one … WebTry cleaning the MAF and O2 sensors. It seems like it's a flooded condition, when starting after a brief shutdown. Like the injector driver from the computer is holding the injectors open. The PCM can't tell if the engine is hot or cold. Cleaning the throttle body may help, as well as air and coolant temp sensors too. WebJan 19, 2014 · This will make for rough restarts. The way to find out is to put a fuel pressure gauge on it, get the truck up to temp and then shut it down and see how long it holds fuel pressure. It should hold it very well for a long time. If it falls off quickly then it is the fuel pump. For priming the fuel pump, btw, turning the key to run and pausing a ... may you never chords