Question about 1984 Chevrolet Citation

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Won't start. engine turns over, all spark plugs good. no fuel getting to engine. how do i troubleshoot the fuel pump and carburator

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Normally, when you twist the key to ignition, you should hear a fade sound of the fuel pump pushing fuel to the tubes. If you don't check fro fuse or in the worst case scenario, you have a dead pump. That will mean you need to pull off your fuel tank and remove the pump from inside there.

Posted on Sep 06, 2010

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spark plugs are deep in the head yet you should get all the the old fuel out first, stale fuel wont ignite and will also clogg fuel filter. you need a mix of atleast 70% new fuel even then its not good for the injecters. If its a manual gearbox a tow start is a quick fix although no go for auto's. cant be much wrong if car was fine when parked, plugs-fuel-filter and possibly fuel pump for sure. If that doesnt fix take plug out put in lead and crank engine to be sure you have spark even just put any plug you know works in lead leaving your plugs in engine just to check for spark y turning over engine looking for spark on plug good spark will be blue but any spark is good.

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My 1997 ford tauras was running fine until the water pump went bad I changed the water pump and now car won't start it turns but won't start what could b the problem


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If this is a sudden occurrence and nothing suspicious happened prior, you most likely lost either gas or spark to the engine. You need to check for both.

Do you hear the fuel pump in the gas tank buzz on for a couple of seconds when you turn the ignition key to ON? Unless the fuel pump turns on and puts gas under high pressure at the fuel injectors, the engine cylinders won't get gas to start. Correct fuel pressure is crucial to know if you have a fuel pump (or fuel filter) problem. If the pressure is correct, it is probably not a fuel problem but a spark problem, although there are less common instances where a fuel injector circuit may malfunction.

The ignition system not producing spark at the spark plugs is the other common problem of no starts. Buy a cheap spark tester at a parts store, plug it into one of your spark plug wires, then crank the engine over and watch for a strong blue spark. You might need a helper to do this. If you see a consistent spark, the ignition system is probably good, although you should probably check more than just one plug wire-sometimes one bad ignition coil in a coil pack will cause no starting. Good luck.

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Engine will not run. This car sat thru the winter in a unheated garage. I have spark, I have fresh gas. Thinking that the fuel pump was dry, I turned the egnition key to on position with out cranking...


try some starting fluid (either).

Inspect the wiring at the fuel pump (if not in the tank).

Alternately, have the psi tested on the fuel line.

Are you certain there is enough fuel and the car is not uneven (as on a hill preventing a low fuel availability to get to the fuel pump to pump such that it can pump the fuel?)

Another stupid question - have you looked at any of your sensors -- such as the crankshaft positioning sensor?

This should give you a couple ideas anyway..
Best regards
Ck

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Hello,well there are only 2 things that make any engine run...fuel and spark.. #1. to check if your getting spark you want to use a pair of pliers with rubber grips( if not you will get shocked ) then pull one of the spark plug wires off the plug (and if you have an old spark plug laying around you can put it on that wire turn engine over and see if you get a spark.) and holding it a 1/4" inch away from plug(or any metal surface of frame) have someone else turn engine over and see if your getting any spark?( its easier to see spark at night.) #2. if you have spark,then its in the fuel system.( will be your fuel pump,fuel pump relay,clogged fuel filter,ect.) if you dont have spark,it will more than likely be your ignition coil... good luck...yz-maniac.

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If the fuel lines are all in good condition then you can safely assume that the problem is in the fuel pump and you will need to replace it. (If the fuel pump is in really bad shape the engine oil on the end of the engine oil dip-stick will smell like fuel)

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