Cranks but no start?

Tiny
DAVE REINHART
  • MEMBER
  • 2005 HYUNDAI SONATA
  • 2.7L
  • V6
  • 2WD
  • AUTOMATIC
  • 192,334 MILES
Everything ran fine minutes later I erased codes and now it won't start.
Sunday, October 2nd, 2022 AT 3:39 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,924 POSTS
It wound start and run or it won't crank over? do you have a security light flashing? If so, check out the guides below to help fix the problem. Also, we should run the codes again to see what came up, you could have a bad PCM.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

and

https://www.2carpros.com/articles/car-cranks-but-wont-start

and

https://www.2carpros.com/articles/how-to-reset-a-security-system

You can try a hard reboot which is done by removing the negative side of the battery, with the cable loose from the negative side of the battery, hold it to the positive terminal for 1 minute this will discharge the memory capacitors in the BCM and PCM allowing the system to reboot.

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Monday, October 3rd, 2022 AT 2:32 PM

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