Detailed guide for SPN 102 FMI 16
Back to top ↑If it whistles and won’t pull hills, pressure test it. Visual checks miss the small leaks that kill power.
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Share ↓SPN 102 FMI 16Severity: Warning
SPN 102 FMI 16: Boost pressure below normal – charge air leak or restriction
Quick Answer
Boost pressure below normal – charge air leak or restriction
Code
SPN 102 FMI 16
Severity
Warning
Applies to
Check OEM application
Can I drive?
Driving suitability is not established by this code alone.
Common Symptoms
- Low power
- Hissing/whistling
- Boost lower than normal
Likely Causes
- CAC hose leak
- Loose clamp
- Restricted air filter
Common Fixes
- Pressure test the charge air system
- Inspect hoses/clamps and repair leaks
- Replace restricted filter
Full technical sections↓
What does SPN 102 FMI 16 mean?
Back to top ↑Boost pressure below normal – charge air leak or restriction
Video walkthrough for SPN 102 FMI 16
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Top 10 Heavy Equipment Fault Codes Every Operator Should Know
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