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Old 06-19-2012, 02:48 PM
GonzoSS GonzoSS is offline
Ford Ranger Owner
 
Join Date: Jun 2012
Posts: 54
Default Re: P0171.....looking for vacuum leak

Quote:
Originally Posted by upchucker View Post
just wondering, how did you check the fuel pressure? and you say that your pressure was about 30 PSI, so what was wrong? you're pump was pumping but not to full capacity?
FYI, this thread is about a year old.

To check fuel pressure you will need a fuel pressure gauge attached to the fuel rail. OP said pump was bad, so my guess is that it was not putting out full pressure.
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