Question about 1994 Nissan Quest

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Hard to start any time of the day for 1994 Nissan Quest XE.

I was told the fuel pump is electric, so after inserting the ignition key I have to wait for awhile before starting and it crank but don't start then I have to pump the gas 4 or 5 times then sometime it will start. When It starts everything is running fine very smooth like brand new. Spark plug, spark plug wire are less than a year old, rotor are only few months old. One fuel injector was change due to malfunction, add fuel injector cleaner every full tank (it start easy when tank is full) and it fuel is less than half tank, the problem of hard starting begins. Did researched and it points to the fuel pressure regulator, fuel pump but not sure which one is to change. Otherwise the van is running like a champ. Please help me identify why it is hard to start.

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Turn your key on, DO NOT TOUCH THE GAS PEDAL and start, good luck. Pumping the pedal doesn't do a thing for fuel injection. In thre days of carburetors and you had control of your own property, Pumping did a couple of things. It set the choke and added more fuel. But that was yesterday and yesterday's gone.

Posted on Jul 01, 2009

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