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95 s10 4.3 vortec.. stalling/chokes out

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znap712
New User

Apr 9, 2012, 10:03 AM

Post #1 of 5 (2334 views)
95 s10 4.3 vortec.. stalling/chokes out Sign In
95 s10 blazer4.3 vortec,starts runs but chokes out.at about 30/35 mph....have replaced fuel pump.filter.plugs wires,ckd map sensor,p/u coil,repl. throttle control,getting 40/50 psi , car did sit for a year.,has been running but just recently started this new prob.thanks, also anyway this could be a clogged c.converter.how do you test that,thanks


(This post was edited by znap712 on Apr 9, 2012, 11:17 AM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 9, 2012, 11:24 AM

Post #2 of 5 (2286 views)
Re: 95 s10 4.3 vortec.. stalling/chokes out Sign In
You still don't have sufficient fuel pressure and you need to determine why.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



znap712
New User

Apr 9, 2012, 12:27 PM

Post #3 of 5 (2267 views)
Re: 95 s10 4.3 vortec.. stalling/chokes out Sign In
ok,am i overlooking something simple,fuel filter again or??? complex,what else is there pump ...filter...thankyou for response


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 9, 2012, 12:48 PM

Post #4 of 5 (2264 views)
Re: 95 s10 4.3 vortec.. stalling/chokes out Sign In
Pump, filter and regulator or the power supply to it. You need to dead head it to find out how much pressure the pump is capable of. You need a minimum of 55PSI but it should be over 60.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



znap712
New User

Apr 9, 2012, 12:52 PM

Post #5 of 5 (2260 views)
Re: 95 s10 4.3 vortec.. stalling/chokes out Sign In
ok,first test showed 40/50. will recheck that first,new napa pump,





 
 
 






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