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I own a 1990 buick century wagon great car ran excellant just recently i have be

(1990 Buick Century)
in Staten Island, NY on August 14, 2015
been having a problem with the car runing .i start the car it idles when you put it in gear it stalls,figured it was the gas added gas treatment it didnt work had car towed to mechanic good friend honest went over the car changed the fuel pump with delco replacement changed the module under the coi;s cleaned the throttle body changed the fuel filter the car was running for him all day i went to pick up the car drove it home it stalled as i stopped at lites started right up and felt like it had a low idle drove it home with two feet keeping it running to prevent the low idle from making it stall arrived home shut the car next day started the car same situation it started once you added a littlegas peddle to increase idle it would stall i then changed the fuel pressure regulator car started ran a little rough shut it down figured there was a little air in system (fuel line)started car again it ran great better then when i picked it upp from the mechanic it was strong and responsive thru the accellerator took it for a test drive it ran and responded great just like it always did came home shut it down started it again had my son take it for a ride same results ran great shut the car down again went inside my home came out an hour lator and the same problem occurred car starts runs rough when you give it a little pedal it stalls starts up and runs rough increase the idle thru the pedal or under the hood manually and it stalls cant seem to figure out the problem no codes or any check engine lite any help would be greatly appreciated thank you also forgot to add the crank position sensor was changed also
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Popular Answer
on August 14, 2015
Disconnect Mass Air Flow (MAF) sensor wire connector... See if that helps.
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on August 19, 2015
thank you for your advise i did as you said and disconnected the maf the car ran a lot better i replaced the maf w i started it up and the car ran great very responsive no miss no codes i took it for a test ride it went about a quarter mile and it started to break up again returned home shut the car down started it up ran good no miss took it for a ride about a mile and it ran good am i missing something did it have to reset i am waiting a little while to try it again any help would be appreciated thank you waited 1 hour went back out to the car the car started as soon as you give it gas thru the accellerator it stalls again any help would be appreciated thanks
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