SOURCE: Hard starting hot or cold. Battery and starter are fine.
check fuel pump relay/should run pump for two sec when key is turned on. try turning key on but dont crank did pump hum/if it did look towards leaky fuel inj./faulty pressure reg. poss clogged fuel filt.
SOURCE: 2002 dodge ram truck
The check valve on the fuel line at the filter housing may be leaking back not maintaining pressure when the engine is not running.
SOURCE: 1999 dodge diesel 3500, fuel transfer pump
some models dont run when the key is turned on,but when the engine cranks the fuel pump starts running,
SOURCE: i have a 97 lancer and it wont start in the cold
hi do u hear aclicking nise when turn ingnition on if so try the fuel pump or relay, or short in ecu
SOURCE: 1999 f350 diesel engine shut down, turns over but
that fuse powers pcm fuel heater and some other things. when the fuse blows the pcm shuts down. causing it to not run. usually its the heater that is bad. it is located at the back driver side by the fuel pump. you can unplug it and see if it starts. if so you will need to replace the heater
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