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Buick Century Fuel System

20 messages,  Last post on Jan 30, 2009 at 11:35 PM

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What is this discussion about? Buick Century, Fuel System


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#11 of 20
Re: thinking of changing fuel pump buick century 94 [jdh93] by jdh93
Nov 05, 2007 (7:42 am)
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Replying to: jdh93 (Nov 01, 2007 5:36 pm)

have a 93 Century. About 3 weeks ago the already rusted out muffler and tail pipe fell off. It ran fine for another 2 weeks. About a week ago, it was completley dead. The starter was rebuilt and it ran fine for about 2 days. Then it began to often die right after it tarted. After various tries restarting it, it usually starts, but it releases a plume of smoke and then runs and idles very sluggishly. Sometimes it dies while I am driving. There is a strong smell of gas. This only happens about half the time. It often starts on the first crank and runs and idles smoothly. I have replaced all filters and treated the fuel system and the injectors. # mechanics have looked at it, but the problem never arose when they checked it. They hooked it up to the diagnostic computer, but it didnīt indicate a problem. I live in an area where there are no Buick dealers and where I donīt have a reliable mechanic.(I am new to the area.) Can anyone make ny suggestions as to what should be checked, what the problem sounds like or give me any advice in general??? Does it soundlike I need to have the exhaust system looked at? The car has only 70,000 miles on it. ( My grandmother bought it new) and it has been reliable for me up until now. Please help me if you can. Thanks.
#12 of 20
Fuel leak by nullsmurf
Nov 26, 2007 (10:03 am)
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I had a coolant leak, a breach in the lower intake manifold gasket. To do the gasket, I disconnected supply and return side fuel couplings at the injector manifolds. As I reassembled, the return side went back together and sealed. The supply side did not. The coupling nut is tightend to its maximum, but the fuel line is "sloppy". Under pressure, it leaks badly. Did I neglect something - an o-ring?
 
#13 of 20
Re: thinking of changing fuel pump buick century 94 [jdh93] by broduer
Nov 28, 2007 (8:21 pm)
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Replying to: jdh93 (Nov 05, 2007 7:42 am)

You might want to think about the fuel injectors. I had a ford taurus that did the same thing and the guys down at ford said that it was the injectors. Just a thought. let me know how you make out.
#14 of 20
Re: thinking of changing fuel pump buick century 94 [jdh93] by jckid66
Dec 01, 2007 (6:45 pm)
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Replying to: jdh93 (Nov 05, 2007 7:42 am)

I have a 90 century with a 2.5 engine and its doing the same thing as yours.. I can not get it started and when you do get it started it runs for a while then quits and is hard to start but once it warms up its ok for awhile... also there is random clicking coming from the injector and some times the gas will fill it up and overflow the
TBI !!!!! now keep in mind I have replaced the Throttle position sensor, fuel regulator, and injector also the injector would randomly squirt when you hear this clicking.. I would be VERY grateful for any help in this matter thank you in advance
 
Bill
#15 of 20
please help me asap by meshell
Dec 17, 2007 (6:37 am)
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i just bought a buick century from a dealer who didnt have the best rep for selling quality cars... but my other car was about to die and i was desperate, right after i signed the papers and a no warranty slip...... the car started acting up.... it acts like it doesnt want to start unless u gas it while turning the key... and it randomly dies but only when the car is stopped it will start right back up but its a little annoying when it dies and im at a red light and the light goes green before i can get it going again.... if any one has ne suggestions please help me
#16 of 20
siphoning gas - century 99 by senorkoki
Jan 09, 2008 (1:19 pm)
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hi:
 
i have century 99 that's been sitting idle for 2 years - kept in a non-insulated garage w/ about 3/4 full tank of gas.
 
i wanted to siphon the gas out - but am unable to.
i'm now assuming that there is a siphon restrictor.
 
is there any other way to get the gas out other than bringing it to a mechanic?
i have yet to start the car.
 
should i just change the oil and put a treatment into the gas w/o changing gas?
thanks
#17 of 20
loss of speed by rmarcus
Jan 25, 2008 (4:49 pm)
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94 buick century 2.5 liter 4 cylinder 197thousand miles. A month ago I got head gasket repair wrong gasket(redone) also idler pulley the cold weather hit and it seemed like my ignition switch was hard to turn over. Never had cold problem starts before was kind of frustrated then driving to work 70 mph 15 below zero thought there was a wind gust then noticed a drop in speed and felt like gas peddle was harder to step on.couldn't go faster just kept getting slower, check engine light came on got off freeway 1mile later, temp gauge was over half. parked no steam or water under car worked all day started car not stiff no check engine light. started driving could go no faster than 30 at stop sign tried putting in park and revving engine sounded okay no missing. and no rumble noise ,put in gear. first pressure on gas like normal more pressure a rumbling noise no faster than 25 mechanic said catalytic converter. no. computer module no. fuel filter a little dirty didn't change anything gas running rich ,checked sensors they could get to, two days later took to affiliate shop .day and a half later still baffled now we are talking about drive chain or belt the first mechanic ruled out because of fiber optics. second mechanic says belt or chain 500.00 for this job just to find out yes or no. already 500. into labor of guessing .Is the head gasket responsible for this or does anyone have any ideas. do i just get a different used car.
#18 of 20
change a fuel pump in 1998 buick century by jgelt
Sep 27, 2008 (8:11 am)
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how difficult is it to access the fuel pumpin a 98 century
#20 of 20
Fuel Leak by leo32
Jan 30, 2009 (11:35 pm)
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I have a 2005 Buick century and I can't turn on the vent because I have a fuel leak under the hood. Inside the car smells like gas. I was wondering if anyone could tell me how I can get it fixed,or if there's somthing that I can use to stop the leak???

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