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Sounds like it's getting too much fuel because is still in cold start mode by computer. This is because of a faulty heat sensor. Once the heat sensor tells the computer it's warm, it runs fine, IF the sensor is working. If not, the computer doesn't know any better than to keep it in cold start mode. I hope this makes sense to you.
If it misfires when wet/damp, I'd change plug wires, but if it is only a problem from cold start, I'd be looking at the choke settings. Seeing how I have no info on year, I'm guessing by the fact that points were changed, that it is also carburetor and not fuel injected.
could be a few things the start up could be the idle air control sensor (my first thought), the coolant temp sensor for the computer might be a secondary thought for the engine being cold if the computer thinks its warm. that would be the first 2 places i would start without a check engine light or code to reference
I have a '97 Saturn SL and had the same problem. If the car was cold when I started it, it started up no problem. If I had just come back from driving it and turned the car off, let it sit for about 5 min, and tried to start it again, the starter would turn but the motor refused to turn over. I ended up replacing the O2 sensor and the engine temperature sensor. I haven't had a problem since then. O2 sensor can be kinda pricey though. Good luck!
yes you hit the nail right on the head there,, its the tem sensor playing you up, its telling the car's computer its warm when its still cold and it cuts back the fule like pushing in the choke,,, this causes the engine to miss fire and lack power till its warm change the sensor
yes they are linked together I had the same problem and the solution is your coil pack needs replacing there for there is no spark for the spark plugs to the engine thats why the rev counter is moving it the engine cutting out really quickly.
There not expensive I got 1 from a scrap dealer for 20 euro and really easy to install its just 2 bolts and a connection.
The smell off fuel is from when your trying to start it back up the fuel is being pumped into the engine and not being burned
Hi! I can only give a suggestion as to slow starting, The starter motor windings have probably been cooked? so when cold seem o.k. but at operating temp expand and the armature receives less power. Have you recently tried starting from cold with a poor battery? if so this is the reason, volts go down Amps go up stewing the windings in the starter motor. Misfire could be due to condensation? is the vehicle Garaged?
Hope this helps!