Question about Chevrolet Blazer
No start unless u pump gas pedal ...then have to keep pumpin to stay running fuel psi is....56psi started off by runnig rough no is to this
Sounds like low fuel pressure.
A GM vortec engine needs at least 65 psi to start and run.
Posted on Jan 15, 2013
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Posted on Jan 02, 2017
Sounds like the relay is not shutting off fuel pump. Turn the key to on position ( not start ), pump should only run for a few secounds and you will hear a click and pump should shut off, if it keeps running relay is bad. If it works like it should than fuel regulator (if there is one) would be the next posability.
Posted on Apr 08, 2009
You most likely have no power to the injectors when switch is initailly turned on. Sometimes this is caused by a sticking oil pressure switch. Check wiring diagram to see if power source is through this switch.Hope this helps God Bless
Posted on Sep 18, 2009
well with out a trouble code there isnt much help you are going to get online. go to your local advanced auto or parts store and have them retrieve the code or codes from the pcm. if you can't get the van to the parts store you can rent a code reader from most part stores
Posted on Dec 29, 2009
chek the fuel regalater on the back of the fuel rail. it has a rubber hose to it.and even if you can here the fuel pump dosent mean it isnt weak.
Posted on Apr 25, 2010
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