i have a pontiac sunfire and the injectors are dumping way to much fuel or they are stuck cant figure it out

1999 PONTIAC SUNFIRE
150,000 MILES
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BOBARELLY
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car gas fouling spark plugs have replaced fuel pressure reg, map sensor, fuel pump
Nov 17, 2011 at 2:29 AM
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RIVERMIKERAT
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Are there any codes stored in the computer? Try a good quality fuel system cleaner. Check the O2 sensor.
Nov 17, 2011 at 4:33 AM