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GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

need some help

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Old Oct 21, 2010 | 02:27 PM
  #1  
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Unhappy need some help

My 1998 GS400 has been setting in storage since Dec. of last year I picked it up drove it home from Dallas to New Mexico car was fine about a week after I was driving on the freeway and the car starts hiccuping but no lights on and the car only dose it on the freeway whats the problem with it please help
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Old Oct 21, 2010 | 02:49 PM
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Did you drain the oil before you drove it home? And did you add fuel stablizer before you stored it?
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Old Oct 21, 2010 | 03:09 PM
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went to sears got everything checked and oil changed in Dallas and we did add fuel stabilizer before i put it in stored
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Old Oct 21, 2010 | 03:11 PM
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could it be the fuel filter or pump
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Old Oct 21, 2010 | 03:20 PM
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I added Sea Foam no change
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Old Oct 21, 2010 | 03:35 PM
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Originally Posted by 98_gs400
could it be the fuel filter or pump
It very well could be, it’s very easy to check if the fuel filter is dirty.
https://www.clublexus.com/forums/gs-...el-filter.html
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Old Oct 21, 2010 | 07:21 PM
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no lights usually means fuel pump or fuel pressure related item since car doesnt see it as a trouble code
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Old Oct 22, 2010 | 02:41 AM
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clean the MAF sensor with MAF cleaner. let us know what happens>
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Old Oct 22, 2010 | 07:10 AM
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I had a car hucciping once due to a clogged fuel filter. The car had been sitting still for a while also.
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Old Oct 22, 2010 | 07:15 AM
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def check the fuel filter. . thats most likely gonna be the issue
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Old Oct 22, 2010 | 09:18 AM
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OK thanks ill get the fuel filter done and clean the MAF sensor and go from there
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