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Originally Posted by 88sierra350
Just bought a 88 sierra with a 350 engine. Drove from Houston to the outskirts of San Antonio and it started sputtering, backfiring. Pulled over and it died on me. Now it will start up but if I take my foot off if the gas pedal it dies every time. Thinking catalytic converter or oxygen sensor but I'm not sure. I only have 20 miles I need to drive it to get it home and work on it. Any ideas how to do that without having to tow it?
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ive seen some extremely clogged converters before and never caused the vehicle to die, usually just very underpowered. but if thats something you think it could be, seperate the exahust somewhere before converter and try it. i used to just drill like five 1/4 inch holes before the converter if the connections were too rusty to take apart that way you can just weld them up if thats the issue