2008 Hyundai Sante Fe - randomly will not start
I have a 2008 Hyundai Sante Fe with a very strange issue. I cannot duplicate it, it just happens
whenever it feels like it! The car is a V6 and has approx. 75,000 mostly city miles.
Randomly, the car will not start. When I put the key in the ignition and turn, the radio, lights etc. all turn
on but when I go that extra little turn to the right to start the car, nothing. There is no pattern – radio on
or off, lights on or off, door open or closed.
Due to my business, I start and stop the car, on average 10 to 12 times a day, many days a lot more. It
has not done this first thing in the morning, only after I have done at least one stop at a client’s house.
When it acts up, it may take anywhere for 1 minute to 30 minutes before I can get it to start. I just keep
trying. I end up just stuck wherever I am until it decides to start. It may happen once a week or 2 times
The dealership had it for 2 days and ran multiple diagnostics on it and tried to duplicate. Finally on the
2nd day an error code showed up for a stop lamp switch, which they fixed.
Battery, battery cables and starter were all tested and were fine. They removed the ignition and tested
(ignition switch was replaced last September). Battery is 6 months old.
Corrosion can build up in a couple of days...do think it's a compromized connection from the battery to chassis ground. Do take a look at this ground wire that connects the negative to chassis, disassemble wirebrush and re-assemble for a reliable ground connection.
the connections do have to pull 300 CCA to make the starter turn...if they seem okay, could be "wimpy" and not lettin' all the juice thru~
also me mustn't forget ground connection to the engine, probably overlooked by the person who put your battery in initially~ this one also has a 1/0 battery cable to pull the gigundo amperage load~
It sounds like a problem of worn starter switch which is made of copper. When you turn the key, a battery supply electricity to the starter motor in which switch spin and pull into the motor to conduct electricity. Over time, the copper parts (two parts: left and right) get worn and do not make a good contact. It is random and gets more frequent as time goes. The copper parts are $5-6 and I paid express online to pay around $25. It fixed it. I forgot the part name, but try to search for 'starter switch'. Once you take a starter off, it was easier than I thought. Good luck.
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