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Engine shuts down after running for about 3-4 hours

SatoSato QatarPosts: 1
edited September 2016 in Chevrolet
Hi All

I hope someone can help !

I have a 2007 Tahoe LS 4x4 and recently my engine has been vibrating abnormally while in idle, it drives fine for 3-4 hours (continuously) but every time I approach a stop, engine vibrates roughly and then after complete stop engine hesitates and sometimes shuts off....I have to wait a couple of minutes and it starts again.....

I have done a computer diagnosis and I had to change throttle body, after relearning the new throttle body, the problem persists and no errors shown.....could it be the fuel pump?

Its to be noted that I am living in Qatar now, and really hot during summer, temperatures can reach 55 C at times.

I appreciate any help...thanks

Comments

  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,482
    Yes I would test fuel pressure when the stall occurs. But wow---at 131F who knows what might happen!
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