How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
10949255
Type Your Chevy Question Here...
GM Tech (Cam) is online now
A new question is answered every 9 seconds

Truck died knew the injector pump was going bad, replaced

Customer Question

Truck died knew the injector pump was going bad, replaced injector pump cranks but will not start
Submitted: 1 year ago.
Category: Chevy
Expert:  Roy replied 1 year ago.
good afternoon my name is ***** ***** I will assist air in the lines needs to be pruged in order to start. the system needs to be bled. you can do this by cracking a line at the injector while cranking until fuel comes out of the line. you may have to do this to several to get it running. once it does start it may run rough until all the air is out of the system.this is assuming that the injector pump is the actual failure Roy
Customer: replied 1 year ago.
The injector fir twice then quits, will air in the fuel rail cause this to
Customer: replied 1 year ago.
This is a high pressure system, 6000 psi
Expert:  Roy replied 1 year ago.
yes, it will. try bleeding the filter at the housing. there is a bleeder at the top. Roy
Customer: replied 1 year ago.
New fuel filter and bled,pumps up hard,get a little soft we'll cranking
Expert:  Roy replied 1 year ago.
please explain.. pumps up hard and gets soft cranking
Customer: replied 1 year ago.
We pump filter side till it get hard pressure crank engine, gets spongy
Expert:  Roy replied 1 year ago.
when the pump fires the injectors it will lessen the pressure. what are you pumping it up with??? Roy
Customer: replied 1 year ago.
Manual pluger on to of fuel filter,beelding injectors now
Customer: replied 1 year ago.
Do all of the injectors need blead
Expert:  Roy replied 1 year ago.
yes, they all need to be bled

Related Chevy Questions