The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1969 C10 350 engine is bogging at freeway speeds only

JonCheun · 04-04-2013, 06:27 PM

I had this same issue with my 350 in my 68 c10. I wasn't getting enough fuel pressure. I put a fuel pressure gauge in the line right before it goes into the carb and it was only reading 3 or 4 psi when it should be 7-9. I replaced the electric fuel pump and it fixed it.

04-04-2013, 06:27 PM	#8
JonCheun Registered User Join Date: Jan 2013 Location: Las Vegas,NV Posts: 59	Re: 1969 C10 350 engine is bogging at freeway speeds only I had this same issue with my 350 in my 68 c10. I wasn't getting enough fuel pressure. I put a fuel pressure gauge in the line right before it goes into the carb and it was only reading 3 or 4 psi when it should be 7-9. I replaced the electric fuel pump and it fixed it.