- This topic has 14 replies, 5 voices, and was last updated 7 years, 10 months ago by
.
- Topic
hi guys. i’m having problem with my car in the past few years. my car won’t start when hot. i mean in cold the engine start like new because he have a good starter. but when hot the engine really cost to start. i heard the crank that means the starter its doing his job but no ignition. i wiil appreciate any suggestion on this forum. bye.
- Replies
Have you tested the resistance of the primary on the ignition coil when the no-start is happening? The coil can fail when it gets heat soaked and not work again until it cools off. The same thing can happen to the stator (magnetic pickup) inside the distributor. Both of these parts can be tested, so don’t just go buy new ones until the ones you have are tested and proven faulty.
It takes fuel , spark and air for a gas engine to run . All happening at the correct time .
When hot , it is not getting spark ? How did you go about testing it ?
God bless
WyrIt could also be a case of “vapor lock”, when fuel in the line to the carb vaporizes due to heat soak when parked.
Have you done any work on the engine, like installing a different carb that required the original fuel line to be re-routed?
Does it have the fuel pump in the tank ore else where ? I am guessing , since it has a carb , probably not in the tank . Think they started doing that when they went to fule injection .
But , if it is in the tank , I think that pretty much eleminated vapor lock ?
God bless
WyrThe fuel pump on this vehicle, if it is stock, is cam driven and mounted on the block, not in the tank.
hi cap269. i will test it the next week because i’m away. the weekend i will test it and post the results.
hi evil-i everything is original and oem. the same carburator that bring the car in 1979. a little while ago the mechanic overhaul the carburator because smell to much the engine of gas. but now is perfect. i have read ALOT from internet about vapor lock. and my guess that will be the case in my situation. i will need ideas about minimize that effect that appear on my car. but i will post in a days the testing of coil and spark.
“Fussy ignition” is just an expression. Fussy is a word that means something like having a bad temper. So using the word with the ignition illustrates the ignition as having a bad temper. Don’t worry too much about it, it’s just meant to be a somewhat funny phrase and not a technical term. I’m looking forward to finding out what the results of your testing are next week.
- You must be logged in to reply to this topic.