erwin_schulz1
Skoda Citigo engine idle issue
Summary of the thread
A 2017 Skoda Citigo with a gasoline engine was experiencing idle problems and an illuminated check engine light, with the engine occasionally stalling during deceleration. The suspected cause was a defective hose connection from the pump to the air valve, potentially leading to a vacuum leak. After inspection, a cracked hose was identified as the source of the issue, causing erratic manifold pressure readings. Replacing the defective hose resolved the idle problems and turned off the check engine light.
Did this summary help you solve your problem?
4 comment(s)
erwin_schulz1 (community.author)
Thank you for your response. Could you please provide more detail regarding the specific hose connections I should inspect? Also, did you experience any issues with manifold pressure readings when you had a similar problem?
stefan_wolf1
In my case, the issue stemmed from a cracked hose leading to the air valve. The mechanic identified it as the source of a vacuum leak, which was causing erratic manifold pressure readings and subsequent idle problems. While I can't pinpoint the exact hose without physically inspecting your engine, focus on the smaller diameter vacuum lines connected to the air valve and intake manifold. If you are not comfortable with this, I suggest a visit to a workshop. They can perform a smoke test to pinpoint any vacuum leaks.
erwin_schulz1 (community.author)
Acknowledged. It seems the problem was indeed with the air valve hose. The workshop confirmed a vacuum leak, and the defective hose connection from the pump to the valve was replaced. The check engine light is now off, and the idle problems are resolved. The total cost was 175€. Thank you for your assistance.
rmh_community_comment_box_header
community_crosslink_scanner_headline
community_crosslink_scanner_intro
community_crosslink_scanner_title
community_crosslink_scanner_price
community_crosslink_rmh_headline
community_crosslink_rmh_intro
community_crosslink_rmh_title
community_crosslink_rmh_subtitle
community_crosslink_rmh_brand
SKODA
community_crosslink_rmh_model
CITIGO
stefan_wolf1
The check engine light and idle problems you describe sound familiar. I have a Citigo as well, though I haven't experienced engine stalling. It might be worth checking the hose connections related to the air intake system. A vacuum leak could definitely cause those symptoms. Think of it like a tiny hole in a straw – it messes up the whole system.