car sputter loses power going up hill and then will accelaerate and take off

kmac123
10

Asked by kmac123 Aug 26, 2014 at 11:56 AM about the 1997 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

car runs fine until going up steep incline it will start sputtering , no acceleration almost will
come to a stop and then the engine kicks in and accelerate and takes off.

4 Answers

T_S_T
26,025

Check fuel filter and fuel pump,

2 out of 2 people think this is helpful.
FordNut
30,335

Ditto. And keep more than 1/4 tank in it..preferably more

2 out of 2 people think this is helpful.
kmac123
10

changed fuel filter and fuel pump and still sputters and runs rough going up hill.

1 out of 1 people think this is helpful.
clarenceo
0

Replace the ignition coils and use premium gas. It also can be a vacuum leak.

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