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Old 08-15-2013
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ranger fuel pressure

Its a 98 2.5 ranger.code p0171.checked psi with a tire gauge(not sure if its correct)was at idle with 32psi.
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Old 08-15-2013
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32Psi seems kinda low whens the last time you changed the fuel filter?
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Old 08-15-2013
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Any idle or top end issues ? Fuel filter would be a great start.
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Old 08-16-2013
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Itll idle up and down sometimes and sometimes with ac on coming to a stop it almost dies.in 5th it dont like to accelerate even at 70
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Old 08-16-2013
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I would say you have a vacuum leak. Check all your vacuum lines and if possible ( you can carefully check using carb or break cleaner sprayed around the intake at each gasket to see if the idle changes at all ) the intake / plenum gasket(s) . There is a outside chance the MAF could be the issue but not as likely. You can get some MAF cleaner and clean it if you want .
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Old 08-17-2013
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I just changed the intake gaskets.upper and lower tb iac and egr when i changed the plugs.
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Old 08-17-2013
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Sounds like you've got it covered. When did the problems begin ?
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Old 08-18-2013
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I only had it for a couple weeks.has never had any low end power even with the po.if i start off going up a hill i have to rev it up and kinda ride the clutch till it starts moving good..but it seems to run fine till it gets to normal operating temp and sometimes when it is at normal it runs good.
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Old 08-18-2013
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Try cleaning the maf ( maf cleaner only ) and see if that help.
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