It gets gas, spark, and turns over very well. but it just wont catch and fire, just turn over and alittle sputter. could it be my automatic choke? distributor cap? maybe not enough fuel? i ve tried everything i kno and still nothing so i am missing something.
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- First double check to confirm that you have a hot blue spark at the plug and that the plug is in good condition.
- If it has spark, and is getting gas, it should fire.
- If you don't know where to start with the screws, it can't hurt to try this. GENTLY turn the screws in until they seat, then back out 2 turns.
- Too much gas will drown it. and not enough it will die, so prime it and give it a try. With it running, you get to "tune" it.
Turning the screws in leans the mixture, and out makes it richer. As you lean it out, the RPM will increase, then drop off. You want it as high as it will go, the back off about 1/2 turn.
I am assuming you have a Pontiac Grand Am. You would need to have someone scan the computer for trouble codes to proceed. The codes will point you in the direction of the problem but not tell you what to replace or repair.
well first off you want to make sure your getting fuel and if you are getting fuel then check the pressure to make sure it is were it should be you can rent them from autozone for free it got a deposit but you get it back when you return it . if fuel is good check your spark pull out spark plug have someone try to start car look at the plug if you have bright blue spark in all your plugs spark is fine if orangeish color spark change ignition rotor and distibutor cap and wires you might as well do it all if spark and gas are both good
check crankshaft postion sensor as hard starts and on most cars if there bad they wont start also check camshaft position sensor they both tell your cars pc when to fire spark and to what cylinder to fire it to
Sounds to me like your choke is malfunctioning. Take the cover off of your carb when cold and see if the choke (top buttefly valve) is closed. It should be when cold. (you do not say what year truck you have so I am guessing as to the answer)
Is it acting like its out of gas. Also is it turning over but not starting. are u getting spark from ur spark plugs. When it was tuned up did the shopmess up the firing order of the distributor especially its a newer car. it could be teh fuel pump, filter etc. if its one of those its usually back by the tank. Also to see if ur getting spark u can pull a spark plug out plug it into one of the wires and set the spark plug on part of the engine and have someone turn it over u will see spark out of the end of it if u dont then thats ur problem. also it may be a relay. Overall u will want a manual so it can be pinpointed better also run some codes on it if u know how to.
This to me sounds like it could be the fuel pump but first I would check the simpler solution and make sure your alternator is good because if your started turns over fine but the car wont start the next part to check would be for me the alternator.