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


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.

6 Answers


Check fuel filter and fuel pump,

2 out of 2 people think this is helpful.

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

2 out of 2 people think this is helpful.

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

1 out of 1 people think this is helpful.

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

Muffa Baker

I have a ? About my 1996 grand Marquis its losing power sputtering then shut down wait a minute then might crank and go

Muffa Baker

Also it do the worst with a/c on

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