6.9 sudden NO power and smoking

IDIBRONCO

IDIBRONCO
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It's on top of your injector pump where the return comes out. It's the piece that actually screws into the pump. Post #11 has a picture of it on the left side.
 

Nero

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Never changed the pump. Changed fuel and air filters that were due. Glad I checked that check valve.
Oh I thought I read somewhere that you changed the pump.
None the less, glad you figured it out!
 

Brian VT

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That brass elbow screws into it.
Gotcha. Thanks for taking the time to post that.
I replaced my pump last year. I didn't know about that valve. And I don't know if a clean one came with my "new" pump or if I'm still running an old crusty one that I reconnected to the new pump.
My truck is running fine but I'm wondering if I should check that valve to see if it can run better.
 
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