Some days my truck works perfectly but some days don`t want to start, and I put a new battery. but still do it. pleas some one help me.
Start with checking battery cables. When it doesn't start, will the headlights turn on? If not suspect a battery cable/connection issue. If the headlights turn on and nothing happens, possible a starter motor problem
Testimonial: "yes headlights turn on"
yes headlights turn on
If vehicle will not crank over, suspect a starter motor internal problem or no power getting to the starter motor on the start cycle of the key. You can also try to see if it will start in the neutral position to eliminate a neutral safety switch problem. If still no start in neutral, suspect a starter motor problem. In some cases, you can tap on the starter motor with a blunt object while some one holds the key in the start position to see if it will start. If it does, the starter motor will need replacement
ok will do. thank you so much. very helpful.
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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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