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Fuel pump?

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Old Feb 11, 2005 | 08:23 PM
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vega
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Default Fuel pump?

1999 Dodge Intrepid 3.2 117,000

After driving for an hour on the highway, the engine starts sputtering and then dies. After sitting for 10 minutes it will restart, but runs very rough. After sitting for an hour or so it will start and run fine. Runs fine driving around town.

Any help? Comp codes 0171 and 0174
 
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Old Feb 12, 2005 | 02:47 AM
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P.B.
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Default RE: Fuel pump?

ORIGINAL: vega

1999 Dodge Intrepid 3.2 117,000

After driving for an hour on the highway, the engine starts sputtering and then dies. After sitting for 10 minutes it will restart, but runs very rough. After sitting for an hour or so it will start and run fine. Runs fine driving around town.

Any help? Comp codes 0171 and 0174
Those codes are detecting both oxygen sensors are getting lean readings. Test for fuel pressure. There is usually a test port on the fuel rail that feeds the injectors. It should read between 40-50 lbs. Test it when the car is running good and bad. If iy drops when the car is running like crap, then you need a fuel pump.
 
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