Changed motor in 2007 cobalt won't start
I put a motor in 07 cobalt it cranks but no start I don't hear fuel pump priming..will run if I pour gas in only a few
seconds help please..I changed crank sensor
It runs while you add gas so it's not getting gas. Check the fuel pump fuse and relay first. You should hear it running for a few seconds when you turn the key on.
Copy that I did not hear it....will check fuse and relay tomorrow... Could I have maybe put a ground wire somewhere wrong when putting new motor back in...also while problem solving earlier before I changed crank sensor I took off the old fuel rail and put it on the new motor ...is there a fuel reg on the fuel rail?thanks for your help
Here is how i would diagnose this problem 1. Fuel pump/filter fuses 2. Fuel pump/filter relay(s) 3. Turn on car and listen for fuel pump whining noise (good means its working) 4.Check Fuel Filter (open up a little and start car see if gas comes out) 5. Test Pressure on fuel lines with gauge 6. Check Grounds
Sounds good fuel pump worked before I took motor out.thanks
Question the car set for over a month with little to no gas in it could that harm the fuel pump? The car will run when u pour a little gas in the throttle body but dies..I checked the relays switched with a good one no help ...gotta be the fuel pump right I do not hear it prime when I turn the key...
Thank you to whom ever replies. This has really been a nightmare. Been doing this in the mornings, then going to work 10 hr shift I'm a welder fabricator not a mechanic.this is the 3rd motor in this car nothing but problems.first time insurance paid for motor and I took to a shop. This time me and my buddy are doing it.fun fun thanks again I'm reading that I'm not the only one with problems with my cobalt.
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