94 s10 blazer..no check eng light!! dies after driving for a minute

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Dec 20, 2011 | 09:33 PM

#11

kerrhbk

Thread Starter

Joined: Nov 2011

Posts: 4

changed fuel pump now its just steadily missing out!!!

I changed my fuel pump after checking my fuel pressure, it was at 47 psi at filter and under the hood. Once i changed the pump it has a miss in it when accelerating. Did i do something wrong?

Dec 21, 2011 | 07:11 AM

#12

swartlkk

Administrator

Joined: May 2005

Posts: 41,334

From: Waterloo, NY

Sounds like you installed a bad pump. Pressure should be ~60psi at the fuel pressure test port for the CPI engine.

Dec 21, 2011 | 11:54 AM

#13

kerrhbk

Thread Starter

Joined: Nov 2011

Posts: 4

I said that wrong..my psi was 47 before i replaced my pump

Dec 21, 2011 | 11:56 AM

#14

swartlkk

Administrator

Joined: May 2005

Posts: 41,334

From: Waterloo, NY

So what is the fuel pressure now that you have replaced the pump?

Jan 17, 2012 | 03:53 PM

#15

firewalker

Beginning Member

Joined: Jan 2012

Posts: 24

From: Jenks, OK (outside Tulsa)

Fuel Filter

Notes

The fuel filter may be overdue for a change, if it is time or past time, just saves problems down the road.

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