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Guest Message by DevFuse

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Sta..sta..stumbling problems...

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1 reply to this topic

#1 Vertigo


    New User

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  • Phoenix AZ

Posted 13 November 2003 - 10:05 PM

I have a stumbling problem on my 88 spfi subaru. I have never replaced the fuel pump and it has 150 thousand miles on it however the fuel filter was replaced in april. now when I start it it wont even go past 1000 rpm sometimes unless I go really slow on the gas and not hard on it. before if I just floored it, it would stumble but now it stumbles all the time. what could this be? bad TPS? fuel pump? it did rain a bunch yesterday and I'm wondering if that hurt it or something.

#2 SubaRube


    Eat, Live, Breath Subaru

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  • San Leandro, CA

Posted 13 November 2003 - 10:17 PM

Have you checked the timing lately? My car was doing the same thing and the timing was retarded out of range.

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