The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 78 Suburban surging then dies on long grade

**RyanAK** · 08-04-2020, 10:33 AM

I'm thinking this might be a vapor lock / boiling fuel issue. I'm going to check that the fuel return is working and look at ways to keep the fuel pump cool. Any thoughts?

08-04-2020, 10:33 AM	#60
RyanAK Senior Member Join Date: Feb 2013 Location: Mifflinburg, PA Posts: 304	Re: 78 Suburban surging then dies on long grade I'm thinking this might be a vapor lock / boiling fuel issue. I'm going to check that the fuel return is working and look at ways to keep the fuel pump cool. Any thoughts? __________________ Ryan - WANTED: '60-'66 4X4 Suburban/Carryall Meet 'Earl', '71 C10 Suburban - Sold, but not forgotten... Meet... yet to be named, ‘78 K10 Suburban Daily Driver