I would suspect that your fuel pump trips out and/or the fuel filter is plugged. To check, you can pull the fuel hose off the fuel rail, put it in a water bottle and have someone turn the ignition key. The pump will run for a few seconds then shut off. Repeat, and see if there is sufficient flow.
SOURCE: BRAKE LIGHTS STAY ON ENGINE RUNNING BUT CAR WONT DRIVE
there is a button on your brake pedal lever that while braking gets
depressed, and turns on your brake lights. Now this component is a
plastic piece that can get knocked loose rather simply. You either need
to re-secure this component, or replace it
(you can get this part at any junk yard for nothing more than some pocket change)
SOURCE: won`t stay running after it warms up not overheating
is it carb, or efi ? and what size engin?
SOURCE: 88 fiero starts on it own, but wont stay running.
the brain is not sending the proper fuel pressure codes to the fuel rail to evenly distribute the fuel to the intake and fuel rail.
perform a fuel pressure test check on it ok? also run a diagnostic scan on it and see what codes come out.
SOURCE: 1986 nissan truck starts fine runs a min. then
Hook up a fuel pressure tester start and let run until dies and check pressure if plenty of pre.ssure If this is a carberated engine tune your air and fuel mixture jets located in front bottom of the carb.., hook up vacuum and set to your hightest reading and then set your idle screw to prefered idle which is around 8 RPM If this is a injected system hook up a fuel pressure guage and start engine and let it run until it stops keep an eye on pressure to see if the pressure drops or stops if so replace fuel ****
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