1997 GEO PRIZM - CAR IS IDLING UNEVENLY OCCASIONALLY. WHEN IT IS NOT IDLING PROPERLY IT SOUNDS LIKE IT HAS A FLAT TIRE, IT KNOCKS (?) OTHERWISE IT RUNS SMOOTHLY AND QUIETLY. BUT WHEN IT DOESN'T, IT IS VERY DISCONCERTING. (INSPECTION OF ENGINE NOISE)
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I recommend Carlos Miller if your in the Fort Worth area. He was competent but down-to-earth. He obviously knew a lot more than me when it comes to cars, but he was able to teach me a lot about my car in a way that wasn't arrogant but helpful and friendly.
1995 GEO PRIZM - OIL CHANGE
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Before replacing the pump, first be sure that filters, fuel pickups, fuel pump relays, and electrical connectors are in good working order. A clogged fuel filter, for instance, can restrict flow and cause some of the same symptoms.
Your engine needs gas to run. The gas, however, is stored in the gas tank, not in the engine. When the engine needs more fuel, the fuel pump is responsible for pumping the gas from the tank to the engine, where it is used to power the vehicle. As the fuel pump deteriorates, it will be less and less efficient at pumping gas to the engine, and your vehicle will have a harder time running. When the fuel pump completely dies, it will be unable to pump gas to your engine, and your car won’t run.
Fuel Pump Replacement Estimates for Popular Geo Models