No codes present not showing any injection duty cycle on scanner good fuel pressure but will not start all fuses and relays tested and working this is the 4,3 litre with central fuel injection
SOURCE: 1999 chevy blazer fuel problem
probably not fuel filter . probably going to have to remove the upper intake and replace the fuel injector spider(fuel inj assebly) if it is droping fuel pressure it is leaking into the upper manifold
SOURCE: 98 chevy s-10 wont start
real comon starting problem for these is moisture in the cap and rotor and plug wires. replace cap, rotor, and wires. while you have the cap and rotor off check the two vent holles in the base of the distributer to see if the screens are plugged. be careful with the srews that hold the cap on the distibuters are plastic and will break.
SOURCE: 2002 blazer 4 wheel drive hard to start
If the pressure is slow to rise, you should consider changing the fuel filter if it has not been done in the past 30,000 miles.
Next, disconnect a spark plug and check for spark while engine is cranking. Use a spark tester or old spark plug grounded to the engine block.
Let me know.
Regards,
SOURCE: 1988 silverado, tbi 350 has 12 psi fuel pressure,
Fuel pressure is a little low, check the pressure regulator, and the fuel filter
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