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mike switzer
mike switzer,
Category: Chevy
Satisfied Customers: 445
Experience:  lead diagnostic tech at Aamco
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I have same problem with my 93 s10 blazer w

Customer Question

I have same problem with my 93 s10 blazer w
Submitted: 7 months ago.
Category: Chevy
Expert:  mike switzer replied 7 months ago.
what would that problem be it doesnt say anything on my side other than it is the same problem
Customer: replied 7 months ago.
S10 blazer stop running. Changed fuel pump. I connect fuel psi tester and while cranking it's around 55-60psi after a while the psi drops after sitting. Truck won't start
Expert:  mike switzer replied 7 months ago.
when it doesnt start do you smell gas in the engine bay or no. does the engine oil dipstick smell like fuel?
Customer: replied 7 months ago.
No
Expert:  mike switzer replied 7 months ago.
does it only not start after it sits and bleeds down fuel pressure?
Customer: replied 7 months ago.
It will start if I spray it
Customer: replied 7 months ago.
The fuel test guage loses psi after sitting a few
Expert:  mike switzer replied 7 months ago.
does it continue running when you spray it or no?
Customer: replied 7 months ago.
It seems like injectors r not getting fuel
Customer: replied 7 months ago.
No it stops
Expert:  mike switzer replied 7 months ago.
have you ever changed the poppet injectors on that engine? what size engine do you have?
Customer: replied 7 months ago.
4.3 spider injectors, changed twice
Customer: replied 7 months ago.
Did not change regulator. Did change fuel pump
Expert:  mike switzer replied 7 months ago.
did you change them to the updated version? they are independant injectors and a regulator should should come with it.
Customer: replied 7 months ago.
It's what they call the spider injector and no regulator came with it
Customer: replied 7 months ago.
4.3 l 1993 s10 blazer with a w in vin #
Expert:  mike switzer replied 7 months ago.
if the ones your purchased did not come with a regulator i would start with replacing that i was trying to find the one i was talking about there is a version were instead of the poppet valves that it had originally they replaced each one with an actual fuel injector and each one was wired. it is much more reliable of course it cost a bit more as well.

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