Question about 2002 Mitsubishi Lancer
4g93 gdi engine starts
wont rev above 3000 rpm-starts misfiring
cuts off as i mash the x
sounds like starving for air
scan tool once said fuel rail sensor
swapped - air flow sensor, fuel pump & fuel pump (tank)
is there a fuel pressure boost pump on the engine?
Hi it sounds like your high pressure pump needs replacing. the pump can be repaired but you will have to find someone who knows about it, i fix a lot of them before. there is a spring that pushes out the piston in the pump so it can compress the fuel that spring losses its ability to extract the piston back out. i have pictures of one if anyone wants to see
Posted on Nov 12, 2014
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Posted on Jan 02, 2017
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