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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

shutting off??

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Old Jul 31, 2011 | 07:14 PM
  #1  
VONxRUBENxLA's Avatar
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shutting off??

so now my truck is shutting off. it will randomly shut off now in drive. it shuts off every time i shift into reverse. i changed the egr, fuel pressure regulator, and fuel filter. and i checked the fuel pressure today and it was about 33-35 psi

so what else could be my problem. could the fuel pump cause all this?
 
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Old Aug 1, 2011 | 02:59 AM
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Could be a lot of things, are you still getting any codes. What year truck is it...in general I would suggest a full tuneup, and to check the IAC, does not sound like a fuel pump problem, could be as simple as an air filter, or PCV, dirty IAC, or a vacuum line...here is a link
Ford Fuel Injection » Idle Air Bypass (IAB)
 
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Old Aug 1, 2011 | 07:15 AM
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Originally Posted by Slip ford man
Could be a lot of things, are you still getting any codes. What year truck is it...in general I would suggest a full tuneup, and to check the IAC, does not sound like a fuel pump problem, could be as simple as an air filter or PCV dirty IAC or a vacuum line
Ford Fuel Injection » Idle Air Bypass (IAB)

is there a way to check the IAC to see if it is bad??
 
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Old Aug 1, 2011 | 07:38 AM
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Look at the bottom of the page: Ford Fuel Injection » Idle Air Bypass (IAB)
 
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Old Aug 1, 2011 | 08:53 AM
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easy enough to check. so next question how do i clean it?
 
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Old Aug 1, 2011 | 02:49 PM
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From another forum: IAC Cleaning - FSB Forums
 
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Old Aug 1, 2011 | 07:58 PM
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so the IAC is not the problem. this is driving me crazy.
 
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Old Aug 1, 2011 | 10:17 PM
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Originally Posted by VONxRUBENxLA
so the IAC is not the problem. this is driving me crazy.
I assume that means you tried cleaning the IAC and you still have the issue?
 
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Old Aug 2, 2011 | 02:10 AM
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Originally Posted by VONxRUBENxLA
so now my truck is shutting off. it will randomly shut off now in drive. it shuts off every time i shift into reverse.
Have you tried the ignition switch.

When mine went bad, my truck would shut off every time i turned the wheel to the right (even when returning the wheel from a left hand turn) And when ever i tried to change gears (Park to reverse, reverse to drive, ect)
 
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