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**kwmech** · 06-10-2020, 12:44 AM

If you still have the old fuel filter, rip the input end off of the paper and separate the pleats and have a look. You may find that they are full of brown crud.

06-10-2020, 12:44 AM	#13
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,407	Re: 78 Suburban bogs then dies on long grade If you still have the old fuel filter, rip the input end off of the paper and separate the pleats and have a look. You may find that they are full of brown crud.