an air leak in the fuel system, timing out computer fault, lift pump faulty or failing,expensive. injectors dirty or warn, injector pump fault- expensive
You eating the engine.
Your 2012 Mitsubishi Adventure diesel engine may be hard to start due to several potential issues. Common causes include a weak or failing battery, clogged fuel filters, or problems with the fuel injectors. Additionally, issues with the glow plugs, which are essential for starting a diesel engine, could also be a factor. Regular maintenance and diagnostics can help identify the specific problem.
Yes, using starting fluid in a diesel engine can be harmful. Diesel engines rely on high compression for ignition, and starting fluid, which typically contains ether, can cause pre-ignition, knocking, or even damage to engine components. It's better to use products specifically designed for diesel engines or to address the underlying issues causing hard starting.
Timing needs adjustment is the most likely cause.
Most diesel engines are hard to start when it is cold. Plugging the diesel engine block heater in will help the engine start.
The year and engine size would help us help you.
Most of the time a diesel has a hard time starting when its cool. When they have a hard time starting when hot, it is usually caused by the fuel running back into the tank. Check for a cracked fuel filter housing or a cracked low pressure fuel line. It is possible you have the wrong fuel filter. Install a top quality name brand filter like Wiks or Baldwin that has an anti bleed back valve in the filter.
Try replacing glow plugs.
Hard starting can be the effect of many different things such as: clogged gas line, air filter, or oil line, bad wire connections, or simply a bad engine. Back-firing is from unused gas in the muffler that is ignited by a spark or flame form the engine and is itself harmless.
The #1 cause of hard starting a 1991 ford explorer is having lost your keys
Could be bad glow plugs.
Maybe a head gasket leak they're hard to see and can cause coolant leakge and you might smell the coolant in the car