engine shuts down on 1990 Oldsmobile Cutlass Supreme

its actually a 1980 model olds cutlass supremecar hard to start but will, after it runs for awhile (10 - 20 miles) shuts off, feels like its not gettin gas. changed filter and pump works great, any ideas???

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1 answer
Try checking converter and exhaust for blockage, also EGR valve. Do you have a check engine light on if so scan for codes see if you are getting any that relate to the above or oxygen sensor. let us know what you find, and we will go from there