I have replaced the ECM,fuel pump relay,checked all the other relays,checked for shorts,blown fusses ect.as long as the coil has power every thing checks out ok.when the coil looses power I still can not find any thing wrong,if I tow it or bump it to push it,power is restored to the coil ????
SOURCE: engine turns but won't start
No.: TSB-07-11-001
DATE: January, 2007
MODEL: 2002-07 Lancer 2.0L
SUBJECT:
HARD TO START ENGINE DTC P0340 (and P0335)
PURPOSE
The engine may be hard or impossible to start and MFI DTC P0335 and possibly P0340 may be stored due to abnormal wear to the camshaft position sensor support. Oil grooves have been added to the camshaft position sensor support to improve lubrication
SOURCE: Fuel pump relay or emergency engine shut off
something is killing the relays poss fuel pump drawing to much amperage check pump with amp probe is pump noisey?
SOURCE: Losing power to the fuel pump
well that sounds like a relay. if your car is an automatic, double check than you replaced the ASD and fuel pump relays and not the trans control relay.
if its not the relay, its probably the ECU(PCM). 
SOURCE: My car died on the way home and won't start. I
The fuel pump relay is under the hood close to the battery (having to be generic here because depending on the engine size battery could be on left or right) in a black box with printed nomeclature about what is inside.(fuses,relays, etc.)
If it stopped very suddenly, might well be relay.. I fit fizzeled to a stop, the fuel pump may have failed..
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