I have a 2006 Sonata 4cyl with A/T
I have owned the vehicle for three years and currently has 205,000 miles on it. The situation has only happened 3-4 times since I've owned it. Occasionally after the car has warmed up and has been running a while,it will crank but will not start.
The episode lasts about 3-5 minutes, and once it starts, it runs fine. Sometimes when it cranks it acts like it wants to start,and sometimes it cranks and there's nothing at all.
The no-starts have been very sporadic, however the last two episodes occurred a week apart and the last episode lasted over an hour before the car would start.
The check engine light did come on for a few days during this time,but has since gone out. I'm not sure if it's related.I plan to have a diagnostic check done next week.
I also recently experienced a loud rattle on start up, which I understand may indicate a failing timing chain tensioner. I've been looking at a lot of forums with people having similar problems, and many suspected reasons center around the crankshaft and camshaft position sensors. I'm now wondering if the problem may be related to the engine management system and apparent timing components wear.
I want to have the job done right, but I'm afraid of the repair shop throwing a bunch of parts at the car trying to solve the problem. Any help anyone can share narrowing down the problem would be appreciated.