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#1
10-09-2007, 12:24 PM
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1990 suburban just wont frickin start!
I have a 90 gmc suburban with the 350 5.7L v8 and it wont start. It needed a fuel pump and that was replaced with a strainer and a sending unit. There is gas in the fuel line it is just not firing out of the injectors. They have no juice. Can't figure out why. It turns over fine and runs if you spray gas or starting fluid in the throttle body but wont stay running? Please help
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#3
10-09-2007, 01:35 PM
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Re: 1990 suburban just wont frickin start!
Can you hear the fuel pump prime when you turn the key to run? If not you have a wiring or fuse/relay problem. If you can hear it prime and it is a brand new pump you should try replacing the fuel filter.
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#4
10-09-2007, 06:41 PM
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Re: 1990 suburban just wont frickin start!
The injectors will not fire if the ignition module or pickup coil is bad. Most parts stores can test the ignition module.
//2000CAYukon
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