1990 Southwind motorhome won't keep running
we have a 454 Chev engine, with TBI. It will start, but cut out and die within 1 min. maximun. We've sprayed starting fluid into the intake (TBI) and it died anyway (it made no difference). We also ...
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Sounds like fuel. If memory serves me power is sent to the fuel pump for a 20 seconds or so, then after engine starts the oil pressure switch ensures you have power to fuel pump after you engine starts. You can check to see if your pump is working after startup. You can hook up a fuel pressure gage and see if pressure drops. Also a timing light will show spark.
