Pre-1997 Models

87 F150 Bogs down and backfires

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Old May 11, 2020 | 11:19 AM
  #91  
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Originally Posted by somemorebob
is your truck single tank or dual tank? I'm kinda wondering if the in the tank low pressure pumps is working..
Dual, but can only use the rear. Another thing to fix once I recover from the $$$$$$ is spent...
 
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Old May 11, 2020 | 01:42 PM
  #92  
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From: Grenada Mississippi
Good on you and congrats. Way to hang in there.
 
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Old May 11, 2020 | 01:51 PM
  #93  
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glc
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From: Joplin MO
There should not be any vacuum on the EGR line at idle. If it's running rough, there is probably vacuum on it. Trace the line back and see what's passing vacuum when it shouldn't.

The parts catalog at Rock Auto shows a EGR valve position sensor and a EGR valve control solenoid/motor.
 
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Old May 11, 2020 | 02:06 PM
  #94  
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Originally Posted by glc
There should not be any vacuum on the EGR line at idle. If it's running rough, there is probably vacuum on it. Trace the line back and see what's passing vacuum when it shouldn't.

The parts catalog at Rock Auto shows a EGR valve position sensor and a EGR valve control solenoid/motor.
I have the EGR Valve and Sensor on mine. Will track the line but do not thing it goes into solenoid/motor.



Will check for

Have

have

 
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Old May 12, 2020 | 10:45 AM
  #95  
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Originally Posted by glc
There should not be any vacuum on the EGR line at idle. If it's running rough, there is probably vacuum on it. Trace the line back and see what's passing vacuum when it shouldn't.

The parts catalog at Rock Auto shows a EGR valve position sensor and a EGR valve control solenoid/motor.

found the EGR valve control solenoid/motor...
 
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