Fuel pressure to high

Asked by Jul 29, 2019 at 05:37 PM about the 2010 Mercury Grand Marquis

Question type: Maintenance & Repair

Car would not start, not getting fuel to
engine. Replaced fuel filter and pump. Now
engine light is on and giving codes p0191 &
p1273. Fuel pressure is now reading at 76
psi. Replaced pump again still getting same
error.

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