How to Tell There is a Vacuum Leak by Looking at Fuel Trim Numbers | STFT LTFT
May 4, 2026•Channel
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Video Details
Published2 months ago
Duration3:32
Video IDPfBE2lNjWFI
Languageen
CategoryAutos & Vehicles
PrivacyPublic
Made for KidsNo
Video TypeRegular Video
Performance Metrics
Views1.4K
Likes108
Comments7
Engagement Rate8.51%
Likes per 100 views7.99
Comments per 1K views5.18
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Description
How to tell there is a vacuum leak by looking at fuel trim. If short term fuel trim (STFT) or long term fuel trim is greater than +15, most likely there is a vacuum leak caused by a bad intake manifold gasket, cracked or loose vacuum hose, bad brake booster or hose, plenum gasket and so on.