Question about 2003 Kia Rio

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Will not start

I have replaced the crank and camshaft sensor. As well as spark plugs and wires. I have 12.6V on the battery. It turns over at a decent rate. I removed the fuel rail hose and turned the key on. I have pressure at the fuel rail. Getting spark. Also rented a code reader from auto zone. It coded out P0101,P0340. Air flow sensor is clean, and looks good.

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Did you have a check engine light on or did it just die. I had the same problem and it turned out to be the timing belt after i changed all the same stuff that you changed out so check that. If it is run a way your engine could be shot.

Posted on Dec 15, 2008

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Pulling the fuel hose off and checking that way is ineffective as there is no pressure on the pump so you need to put an in line fuel pressure gauge to be 100% sure you have operational pressure.Have you got a pulse at the injectors?You will need to plug in a noid light tester to determine if the pulse is good and exists.You could spray engine start up the intake before the air flow meter and see if it wants to run.If it trys to run then its likely a fault in the fuel system.Im assuming that the other repairs were done correctly.

Posted on Nov 04, 2008


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Locate the accelerator cable next to the throttle assembly towards the back and top of the engine and remove the shield. Pull the retaining pins using a pair of slip joint pliers if necessary.

Remove any other accessories that might interfere with the removal of the camshaft sensor like wiring harness, spark plug retainers or engine cover, depending on your particular Ford Taurus model.

Move the fuel-injectors wiring harness off the valve cover studs as well to gain access to the camshaft sensor if necessary.

Locate the camshaft sensor around the top of the engine. For more information, see the Resources box at the bottom of this article.

Unplug the camshaft-sensor electrical connector by pressing on the lock tab and pulling the plastic connector off the sensor.

Unfasten the two sensor mounting screws using a Phillips screwdriver and remove the sensor from the engine compartment.

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Tighten the two mounting screws using the Phillips screwdriver.

Plug the camshaft-sensor electrical connector.

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Install any other accessories you had to remove to gain access to the camshaft sensor like wiring harness, spark plug retainers or engine cover.

Replace the accelerator cable shield if you had to remove it. Use the slip joint pliers if necessary.

Connect the ground, battery cable using one of the wrenches to hold the terminal bolt in place and tighten the retaining nut with another wrench

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