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2002 Buick loose gas cap error. Please help - 2000 Buick LeSabre

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2002 Buick loose gas cap error. Please help - 2000 Buick LeSabre


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I have a 2002 buick lesabre with series 2 3800 I have replaced fuel plentum' fuel pump 'fuel filter' lower intake gaskets' spark plugs (AC delco) wires 'removed GPS, and I still have a security light on and when I step on the gas it falls flat on its face starts chuging. I'm running out of ideas. The only thing I can think of is the ECM. I Also have gas cap loose light on..someone please help me.


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2000 Buick Lesabre has security light, check engine & gas cap loose light on?


I'm sorry you feel that way about mechanics but there are those that you can trust. I'm a diesel mechanic and have been in business in Australia for 20 years and I am disappointed to hear this sort of statement.However it is possible that what you he ... 2000 Buick LeSabre

91 ford f350 gas on starting it acts as if u have to blow it out to keep it running pushing it full throtle then when it gets going it looses power if u dont keep throtle perfectly even if it gets to much it looses power if it don't get enough it looses power an it hits an misses an back fires we've ouy fuel pumps an it still does it so back to original pump an still it does it I put in new plugs an bug an cap, wires, fuel filter an it still is acting the same please help


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My 1998 volvo V70 XC had two eng light codes: 1) P0442 evap leak small and 2) P0455 evap leak large. I replaced the fuel tank gas cap for a new one and reset the codes with OBDII. After I drove 100 miles a code P0455 evap leak large turned on. I'm not sure what to look first, charcoal canister, any fuel lines on top of gas tank. Please help. thanks


A 0.040 leak has been detected in the \015\012\011\011\011\011\011evaporative system. (A faulty gas cap may cause this code). \015\012\011\011\011\011\011Also see\015\012\011\011\011\011\011 ... 1998 Volvo V70

1995 Buick century was dyeing intermittently every few day and now it dies every 6 - 7 minutes at idle, mid speed, air on or off, warm or hot, gas cap on or off. A few suggested that it was the fuel filter, replaced it, no help, then the crank position sensor, I took it out and put it back because it make no sense to me that it is bad because it idles just fine, start great, runs perfect then about 6 - 7 minutes later it chokes and dies. No errors found on diagnostics at the mechanics garage ei


Here is the common cause of surges, stalls at stops, slow idle\015\012speed, erratic idle speed, rough idle and engine hesitation (and other\015\012problems), it is in most cases the idle speed control air-bypass valve\015\012and or throttle ... Buick Century

2001 buick lesabre gas cap loose warning light continues to stay on after being replaced


GM vehicles are fmaous for this warning. I had the same problem in my GM vehicle and had to replace the EVAP vent solenoid. Are you getting a DTC yet or just the tighten gas cap message? INspect the fuel cap to make sure it is not damaged and is i ... 2001 Buick LeSabre

Buick lesabre 2003 service engine soon and gas cap loose light


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My 2000 Buick Lesabre won't accelerate... The past few weeks it's been shaking as the gears change, and i was on cruise control on the highway and i pressed the brake and then couldn't accelerate again. I pulled over, and the car doesn't move at all in reverse, drive, 1, 2, or 3... but the engine revs, but nothing moves! Please help!


This is caused by Worn out Clutches inside the Automatic Transmission. You will need a Rebuild on the Tranny. This will stop these Problems. ... 1995 Buick Regal

Code p0449. got this code p0449 evap vent valve.i need some help please. just read some one said check gas cap maybe i put it on to tight?feels little loose side to side.but when i hooked it up to codereader it said p0449 evap vent valve? & where can i find it so i can change?


GM uses an EVAP solenoid that is located under most vehicles near the gas tank and connects to the charcoal filter can. Codes can be set and will drive you crazy trying to figure out if you have a bad gas cap, broke lines---this is where they try to ... 1999 Buick Century

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What color was the fluid, does it rev up & not move is ther a check eng light on & is the dipstick full with eng running? if the filter fell off in pan it will **** air you might try over filling it by 2 qts to prove this. note this is comput ... 2000 Buick LeSabre

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I have a code P0496 and my car from time to time says i need a gas cap and I brought another gas cap and it still say I need a gas cap from time to time....help please


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HELP PLEASE code po452 ON A HYUNDAI TIBURON GT 2003?? I HAVE REPLACED GAS CAP, FUEL TANK PRESSURE SENSOR PUGE SOLONOID... i AM LOST PLEASE HELP GOTTA FIX NOW FOR MARTA PLEASE


Code 452 is for a low voltage signal coming from the pressure sensor. The computer sends voltage to the sensor and expects a return voltage within a certain range. If you have replaced the pressures sensor and the problem continues, it may be i ... 2003 Hyundai Tiburon

I HAVE LOST MY GAS CAP 3 TIMES. EVERY TIME I BUY A NEW ONE IT JUST DOESNT SEEM RIGHT? i have had it with the parts store. i currently have 3 caps they are all different? my gage is way off. can you please tell me or show me what the cap looks like EXACTLY this is very frustrating. please help


Fuel cap 96 gmc. locking cap 96 gmc. they should have the right one at auto zon ... 1999 GMC Jimmy

I have a 2005 buick lesabre that has a check gas cap light on and service engine light (P0455). I have replace gas cap with new GM cap and check all vaccum lines for leaks do you know of anything else I need to check?


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2004 Buick LaSabre engine service light is on and dealer and autozone says it is a loose gas cap but it is not loose. What do I do?


The cap might need a pressure check. Just because it stays on and tight doesn't mean it is functioning properly. It must meet EPA standards to function properly. Your cap is special part of your emission system and if it is not working properly you w ... 2004 Buick Rainier

Charcoal canister leaks on 1992 toyota pickup whenever i tighten the gas cap down. it goes thru fuel pumps like crazy and ive checked all vaccum lines and the fuel line running back to the tank from the canister and it wasnt clogged. the only way i can get it to not leak is drill a hole in the already vented gas cap. i have also changed canisters and still nothing is working. please help im lost


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My 1990 Stanza Is Running On 3 Cyl. I Got New Plugs Distrb Cap Rotor It Just Didn't Solve The Problem Runnig Ruff. I Know Its Getting Gas Because The Plug Is Wet I Did The Plug And Wire Test And I Am Getting Spark, Please Help I Spent 42 Dollars For Nothing. I Even Tryed Disconnecting The Battery Could It Be An Fuel Injector? Looking From Left To Right It Plug #2 We Did A Comp Test 75lbs In All 4 Cylnders. I Have A Bald Head And I'm Trying To Grow Hair To Scratch It........ Please Help


Start the car. let it idle. get under hood. you should have your four spark plugs starting from left to right in front of you. starting on the left is cylinder #1 and #2, next to that one, and so on....\015\012\015\012while car is run ... 1990 Nissan Stanza

The "service engine soon" light on the dash came on and stayed on about the same time as a "gas cap loose" message came on on the info panel. The cap isnt loose and the car seems to run fine. I pulled the trouble code and it said " EEC system-slight leak." Not sure where this device is or how to service it. Can you help me?


The eec is the sensor for the evap system, either the gas cap is leakin or one of the hoses, the system is made to keep the gas tank at minus 1 lbs pressure, anything that disrupts this will send a message, could also be the fuel tank itself ... 2004 Buick LeSabre

We have a 2001 Buick LeSabre Custom and the tire pressure light comes on and the pressures are within a pound of each other and gas cap light comes on and we've bought a new gas cap and the driver's seat belt light will flash on . Is there a control panel for all these lights? Fuses?


Yes there is a fuse for that. Check under the hood on the right side. It is mounted behide the battery connection, which is in front of the raditor refill tank. Also one fuse box under the rear seat mounted in the center with a varpor line attached w ... 2000 Buick LeSabre

2005 Cadillac Seville. Replace gas cap displayed and service engine soon lightcame on. Replaced gas cap however service engine soon light is still on and the car is due for smog. Help please


Im having the same problem with my deville did replacing the cap fix the problem ... 2005 Cadillac Seville

I own a buick 2000 lesabre the turn signals don't work but hazards do. my speedometer also is out. i also feel a quick in the transmission when i release the gas.? can i some one help me. im only 22 and i love my buick lesabre


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