Engine revs when I turn off side lights

Tiny
FRANCO1
  • MEMBER
  • 2007 SUZUKI IGNUS
  • 1.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 24 MILES
Hi,
When I turn off the side lights the engine revs falter (reduce) for a couple of seconds. It does not happen if I turn off other appliances.
Thursday, November 29th, 2018 AT 3:16 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

It sounds like the throttle bore is dirty. Start by disconnecting the battery and then following this guide.

https://www.2carpros.com/articles/throttle-actuator-service

Here are the headlight wiring diagrams so you can see how the system works. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Friday, November 30th, 2018 AT 12:25 PM

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