96' Grand Am - car started sluggish..... shut off ..now wont start
I checked out the ig-mod its OK, the coil pack is OK fuel pump i can hear , getting small back fire out of throtle body if i use starting fluid to help. I need this to get me to my new job on Monday!!!! HELP!!!!
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Reasons for engine turning over and not firing are simple. Spark or fuel. If you've changed the coil packs then chances are it's a fuel issue. Get in cab and turn ignition to second position whilst listening to back seat. You should hear the faint noise of the fuel pump working. If you can't, I suggest you firstly check your manual to find the fuse/relay for the fuel pump and check that. If they are fine, you need to replace fuel pump.
If you can hear it working and it still won't start, remove the fuel line going to injector rail and point into a jar whilst someone turns engine over. You should have fuel coming out. If this is fine, go back to ignition, remove a spark plug and turn engine over checking for a spark.
My bet is your fuel pump has packed-up. Good luck diagnosing.
There are only three items that enable an engine to run. It must have fuel,spark and air. I am sure that it is getting air. Check for spark next. Sounds like it is not getting fuel to me. Check that the fuel pump is running. On most GM vehicles you can hear the fuel pump run and whine a little prior to starting. Check the fuel pump relay also.
Check obvious problems first. Do you have any indicator dash lights on when trying to crank the engine? A security light means your Passlock system is malfunctioning. If you can turn the engine, then the battery is most likely ok but you can disconnect it for about 5 minutes then reconnect it which will reset the computer. I had an issue with a 99 grand am dieing after starting. Pushing the key in kept it running. Turns out my ignition switch in the dash went bad.There are three coil packs in the v-6 and two in the 4 cylinder. A loose wire would more likely be the cause. Check the fuses under the hood in the convenience center. A bad computer, module near the coil packs, or a bad hall effect cam sensor could cause the fuel injectors to not fire and cut off the fuel supply. Check the fuel pump to see if its working by turning the key to on but not cranking it. If you hear a 2 second sound of the pump then a click then the fuel pump is most likely working.
is it poss the engine is flooded with fuel? if you can remove the spark plugs see how wet they are. If wet, replace turn engine over while they are out remove fuel pump fuse and coil pack conector b4 you do this if unable to do this hold the gas pedal down all the way to the floor your vehicle is fuel injected this will create a fuel shut off mode which while held down will not deliver any fuel to the engine as the engine starts to fire and run rough take you foot of the pedal ane nurse it until it runs ok if it runs get your mechanic to check for leaking injectors dripping over night
There are few things that you will have to check.
1) Is the battery properly charged.
2) Are you getting spark at the spark plugs, when you crank the car to start.
3) Is there proper fuel in the car.
If the battery is not charged properly the car will not start.Check the voltage of the battery .It should be exact 12volt.
If there is no spark coming when you crank the engine then its the problem of either the spark plugs or the coil pack.the spark plugs gets power to spark from coil packs.Also check the fuel pump and fuel filter.If the fuel pump and fuel filter are worn out then it will not supply the fuel properly to the engine and this results in no-start problem. If all battery, fuel pump and spark plugs checked out OK then its time to check the wiring connections between the battery to starter and battery to alternator.This will help.
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if it is starting that is normal if not take off your distrubitor cap and check for spark if no spark check the wire going to the coil pack for spark, if very little or no spark replace your dist. cap rotor and coil pack.