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Anonymous Posted on Mar 31, 2010

Car won't start put on new fuel pump already and filter

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  • Master 1,608 Answers
  • Posted on Mar 31, 2010
Anonymous
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I need to know what all you checked that made you put a new fuel pump in and what year the vehicle is.Did you check the fuel pump fuse,pump pressure,and connections?Sometimes the connections get corroded at the rear connector by the tank.Did you check for spark at the plugs?Let me know.

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remove the lift pump and make sure its not on the back of the cam ,it will never work like this ,then remove the pipe from the carb end and try putting some fuel down it to prime and wet the valves inside the pump ,if that doesnt work check for a porous pipe froim the tank to the metal pipe that runs to the pump ,if that doesnt work then look inside the tank ?
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New filter new fuel pump won't stay running

Well your engine has a carb, so it could be dirt in the carb, or a vac leak, or several other possible causes.
Does the choke close when the engine is first started ? Have you checked the fuel line to see if the pump is providing gas ?
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Fuel pump may have ailed this time.. You need to have fuel pump checked.
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Have you ever heard of testing before replacing parts ? Fuel pressure an flow tesing , testing the electrical circuit for the fuel pump , amp draw testing , voltage drop testing etc... Thier are no magical fixes in auto repair . No spark ! check B+ voltage an ground circuits for the ignition system , Ignition System Designs Operation and Testing an SD Premium video
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Motor turns over won't start. Cleaned terminals, put in new battery, still won't start. Removed gas cap to vent air on hot day, still won't start. Lights all come on, all electrics appear to...

Your problem may be one of the following:
First check or just replace the fuel filter. Usually located under the car in front of the rear axle, drivers side.
Next, the fuel pump may be worn out. Usually they get loud or stop working (running).
Next, check the fuel pressure regulator. Usually located on the front fuel rail, drivers side.
Is the vacuum line attached? Not leaking or rotted?
Also, do you smell a strong fuel odor when it won't start? May be one or more stuck-open injectors, or the coil pack is bad.
Checking these in the order listed will more than likely fix your problem.
The clicking noise indicates the battery can no longer run the starter, which also means the fuel pump won't run either.

It could be a fuel issue. How old is the fuel filter? Can you hear the pump run for a few seconds when you turn the key on? Try turning the key to ON without trying to start engine three times waiting for the pump to stop running each time. Then try to start the engine. If it starts, Its a form of Vapor lock caused by the extreme heat we have had lately, and a weak fuel pump.

If none of this works, try a new fuel filter first. From there have someone check the fuel pressure regulator and then the pump. If you are in need of a new pump, take my word for it and spend the money to get one from a Dealer, and not from your favorite parts store. Most parts store parts are made in China and they are JUNK.

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Engine won''t stay running,already replaced fuel pump

try a new fuel filter as well if the pump can't get fuel to the motor it won't run. You may have crud in the tank too. you need to find out if the fuel is getting to the motor.
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