My 99 mustang v-6 coupe started "sputtering" and loosing power...?

Question:
What could this be?

Answers:

which clk year do you think looks better?

you need to put it on a diagnostic test wich are not too expenssive but sounds like either a bad faulty plug , ignition module or even maybe an oxygen sensor but if it would be the oxygen sensor youd notice quite a big change in gas mileage and last but not least your injectors may need to be cleaned cause the 3 first things i said was if your fire is faulty but if its the gas side maybe your losing gas pressure meanning fuel filter cloged ,faulty fuel pump or gas pressure regulator.the last two other things it could be would be either your EGR valve is leaking or your map sensor wich since weather changes in winter the mass absolute pressure changes and your computer cant get a good readin. but dont change anything before the diagnostic points you in what direction to start checking. but changing your fuel filter , spark plug wires and spark plugs should be done at every 40 K miles id do those no matter what .its not expenssive and keeps your engine burning clean to save major later problems. Good luck and happy new years.P.S. even if your check engine light doesnt come on, when it works bad, the running diagnostic will point the faulty figure.

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ware can i get a handbook for a jeep grand cherokee N reg auto please?

it depends, when is the last time you had a tune up?

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1994chevycamerotroubleshooting?

Sounds like low fuel pressure, may try changing your fuel filter first.

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