I have 2004 chev mailbu 2.2 It will not start I put a new fuel pump and it geting fuel pressure I can pour gas in it and it will ran intil all gas is gone
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Did you verify that you have proper fuel pressure? Should be around 60 PSI. If pressure is low, ensure that fuel filter is not installed backwards. If fuel pressure is OK, check your injectors with a noid light to see if you have injector pulse. If the truck starts with gas poured into the intake, it is NOT the spark plugs causing the problem. You are chasing a fuel delivery issue, NOT a spark issue.
those are known for fuel pressure problems does it start hard all the time if so then u will need a fuel pressure test to see if u have 45 to 55 psi . if it starts hard after sitting a while then the fuel pump is not holding pressure u will have to replace. and change fuel filter
Check the fuel pressure at the shredder valve, you should have 62 to 65 PSI when the fuel system is primed. (engine not running) With the engine started and running the pressure should drop by 5 PSI, anything less then 62 PSI in your fuel system when trying to start the engine will cause a no start. Note; that try to start a the engine by pouring gas through the throttle body may cause an internal fire in the intake ports and will cause the fuel injectors to melt creating a more expensive problem. As for the fuel pump in the gas tank, it''s held on by and snap ring which you can remove with a simple screw driver. Good luck and keep me posted, and don't for get to replace the wire harness from the frame to the gas tank. It's a $12.00 investment that's worth more then it's cost.
Check fuel pressure and fuel flow, If the pressure is lower than what is recomended injectors will not function correctly , no start condition (trys real hard though)
DID you put in new gas, fuel treatment, new sock on fuel pump, all new fuel filters, buy inline fuel pressure gauge, check for codes?, this is not a carb where you pour fuel at it , do you have a repair manual for your truck and have you checked troubleshooting guide?
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