1994 blazer tahoe 4.3 vortex w series
#1
Thread Starter
Join Date: Jan 2008
Posts: 2

I have no power once ir warms up it keeps boggin out then it takes a few min before it restarts
I have replaced the injectors the spider tps iac plugs cap rotor fuel pump computer and prom
egr map fuel filter firing order is right I replaced the distributor also cn anyone tell me what I can do now to get this thing to run right
I have replaced the injectors the spider tps iac plugs cap rotor fuel pump computer and prom
egr map fuel filter firing order is right I replaced the distributor also cn anyone tell me what I can do now to get this thing to run right
#2
Join Date: Sep 2007
Location:
Posts: 146

Have you checked the catalytic converter?
SES light on?
SES light on?
#3
BF Veteran
Join Date: Jun 2006
Location: Vancouver. B.C. Canada
Posts: 3,429



I'm thinking possible plugged exhaust. Try pulling out the O2 sensor and running it.(to test)
#4
ORIGINAL: Chevy Lover
I'm thinking possible plugged exhaust. Try pulling out the O2 sensor and running it.(to test)
I'm thinking possible plugged exhaust. Try pulling out the O2 sensor and running it.(to test)
#5
Thread Starter
Join Date: Jan 2008
Posts: 2

converter is good o2 senseor is brand new
#6
Join Date: Aug 2007
Location: utah
Posts: 69

have you check for compression? in all cylinders.
you said you replaced yourfuel pump did you make sure fuel pressure is around 50psi-60psi running/off? maybe falty pump.
any check engine lights? codes? is the timming correct?
good luck
you said you replaced yourfuel pump did you make sure fuel pressure is around 50psi-60psi running/off? maybe falty pump.
any check engine lights? codes? is the timming correct?
good luck
#7
This just sounds like a typlical ICM failure to me. Check this thread and see if you get the same impression.
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