Very low RPM's when idling

Tiny
L TIATOM
  • MEMBER
  • 2011 HYUNDAI I20
  • 1.2L
  • 4 CYL
  • 4WD
  • MANUAL
  • 32,000 MILES
RPM's down to 600 from normal rpm 800 or 850 rpm when idle. I have cleaned throttle body but still same low rpm. Please help it's emergency.
Tuesday, March 12th, 2019 AT 11:36 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,490 POSTS
Hello,

It sounds like the MAF sensor can be not reading correctly. here is a guide to help you clean it:

https://www.2carpros.com/articles/mass-air-flow-service

Please run down this guide and report back.
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Thursday, March 14th, 2019 AT 12:53 PM
Tiny
L TIATOM
  • MEMBER
  • 61 POSTS
Sir, I can't locate any such MAF sensor in my Hyundai i20 1.2 petrol India version.
I can only locate the MAP, TPS and ISCV sensors. Please help.
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Wednesday, March 20th, 2019 AT 8:36 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,490 POSTS
We need to run the codes to see what's going on. here is a guide to help us get started. You may have a vacuum leak as well.

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

and

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please run down this guide and report back.
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Thursday, March 21st, 2019 AT 10:28 AM

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