Question about 1993 Buick Century

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I CHANGED PLUGS AND WIRES. I PUT A NEW FUEL FILTER AND NEW FUEL PUMP IN. I REPLACED THE COIL PACK. AND THE DARN THING STILL ACTS LIKE IT IS NOT GETTING ENOUGH GAS. THIS MORNING I HAD TO USE A CHARGER TO GET IT GOING. WHAT'S HAPPENING TO MY PONY?

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  • 170 Answers

Try the fuel pressure regulator, you will have to take it to a shop that has a tool to check the pressure, or you may try an auto parts store that will loan you the tool. Good Luck.

Posted on Sep 07, 2010

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Posted on Jan 02, 2017

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I have a 1989 Chevrolet Celebrity-2.8 multi-port engine. I have replaced the fuel pump, the fuel filter, put a new distributor cap on, replaced the spark plugs and new wires. Changed the air and oil...


Sounds like something getting warm/hot as engine warms up. Could be the MAP sensor, Coil/Coil pack, Ignition Switch(not the key cylinder), or possibly the Oxygen Sensor.

Next time it does this, pull a plug wire out of the coil pack and hold it close to the tower, and have someone crank the engine to see if your still getting a spark.
Could also be a loose connector on the throttle body injection, or a broken wire.

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Vehicle began shutting down when braking after a recent fuel up from "E", to half a tank. The next day when started, it was stalling, and only allowed me to reach 20mph. After about 100 ft., the...


Three things to check: Coil pack (the main box that spark plug wires connect to), Spark plugs and wires, that's not what's it, your fuel pump is gone. Definitely would get a fuel pump either way due to stalling of the car and possible excess air and a coil pack as well do to a malfunction reading with the emissions module causing the spark plugs to lose energy all at once which then can lead to the coil pack going bad and sending false emission rate timings threw the fuel management system causing the fuel pump to have the sensor go bad. This happened to me as well. Same exact thing. After I did those fixes, car was like I have never driven a true Audi till that day I changed the coil pack and fuel pump. Eventually to be safe I got all new 4+ Bosch spark plugs and wires just to prevent and imbalances. Changes your car into a pure German luxury mobile.

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TURNING OVER BUT WONT START REPLACED COIL PACK, FUELPUMP, FUEL FILTER, PLUGS AND WIRES. CANT FIGURE OUT THE PROBLEM


Have you checked the injector wiring? Each has only 2 wires you can check. If no power, test the injector power control module.

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Code claims multiple misfires changed the plugs and it continues to sputter and backfire especially when going uphill. Fuel filter? coil pack? plug wires?


check your high tension leads or plug wires. If you find one out of the correct resistance range, about 7ohms per foot, dont discount that the missfiring has damaged the coil pack for that cylinder as the wasted spark had no where to got except hammering the coil pack. As for the fuel filter refresh them often as the standards of fuel from the pump can vary

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When was the last time you changed your plugs, fuel and air filter? Also, got gas? Did you pumped gas at your usual place?

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When idling my 2003 Acura TL the engine seems to want to almost die, also when i got on the freeway it seem to pull hard and **** like it was having trouble shifting into 5th gear. It also seems to run...


You may need to change the coil pack(s) or modular. The modular is what the coil pack(s) mount to. I'm not familiar with that engine so you may have a 3 piece coil pack, or a 1 piece. (If it doesn't have a distributor). You may first try replacing the coil wire. There is a good chance that is loose, or bad. It could also be the coil itself. Try the coil wire and if it still acts up, then try the others. Also, when you changed the plugs, did you put new plug wires? When I do a tune up on my vehicles, I change the plugs, wires, distributor cap and rotor, (coil pack,modular), whichever is equipped, oil, oil filter, tranny fluid and filter with gasket, valve cover gaskets, oil pan gasket oil filter, and fuel filter. Try changing the fuel filter as well, as plugged or dirty fuel filters can cause stall outs. I hope this information helps. Thank you for choosing fixya.com for answers.

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