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cat 3116 problem

4K views 7 replies 4 participants last post by  dirtrider 
#1 ·
It quit running like fuel filter was bad,changed the filter and no start.I checked for juice and gnd. on solenoid,got that.I took the solenoid out and the pintle out of solenoid,put solenoid back in without pintle and she runs.I then drove it back to shop 3 hours away,put a good solenoid in and now it is doing the same as before.Do anyone know what it may be or had this problem before?
 
#3 ·
filter

I filled the filter up and took plug out at top of filter boss and filled it up,this one has no manual prime pump.I noticed it would not pull the fuel after taking plug out again,fuel didnt go down.I did loosen lines but nothing happened,can the valve that the solenoid pushes stick.
 
#5 ·
The solenoid clicks when the key turns on,it is in a 93 gmc bucket with a pushbutton tranny control.It could be a 95 though,we had just got it and were working it out of town.I did have to run it out of fuel by taking filter loose to shut it down,took forever.I will take the solenoid back off and check that little flap thing in there monday,thanks for helping.
 
#6 ·
I have seen some problems with fuel lines on the GMs sucking air. They use an automotive style hard plastic line. Also take a look at the pick up tube inside the fuel tank. If memory serves me right I believe there is a bracket in the tank that supports the pick up tube.Sometimes the bracket will wear a hole through the tube. If this does happen the engine will act up when fuel level drops below the hole that gets worn in the tube.
 
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