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Codes P1505 and P1507, misfire?

Tiny
EPRJ25
  • MEMBER
  • 2004 HYUNDAI GETZ
  • 1.6L
  • 4 CYL
  • 2WD
  • MANUAL
  • 107,940 MILES
My car has been misfiring when idle or driving but I changed the crankshaft sensor and now it doesn’t misfire when idle but only when driving. I used a scanner and it showed 2 codes which were P1505 and P1507.
Saturday, May 11th, 2024 AT 4:22 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

This model Hyundai isn't offered in the US, but I suspect the codes are the same with other 2004 Hyundai vehicles. So, I attached diagnostics for both codes below. The diagnostics came from a 2004 Hyundai Accent, which is offered in the US.

The codes are related to the idle air control circuit. I don't know if that is where you are seeing problems. Take a look at the diagnostics and let me know if they help.

I hope this helps. Let me know.

Joe
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Saturday, May 11th, 2024 AT 8:58 PM
Tiny
EPRJ25
  • MEMBER
  • 2 POSTS
Yes, thanks for that. I was able to fix the idle air controller and now the scanner only reads one code which is P1507 (idle speed control actuator.)
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Tuesday, May 14th, 2024 AT 2:06 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

That indicates the coil driver has a short to either power or ground. The same diagnostics apply with this code as I attached above.

This appears to be an electrical issue, so make sure the wiring is in good condition and the connector is as well.

Let me know.

Joe

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Tuesday, May 14th, 2024 AT 6:13 PM

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