Mass Air Flow / MAF Sensor Performance
The BOBCAT-P0101 (Bobcat) diesel fault code means: Mass Air Flow / MAF Sensor Performance. This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- beginner
- Estimated cost
- $20-$350
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Common Symptoms
- Power loss
- Increased smoke during acceleration
- Rough idle
Probable Causes (Ranked by Likelihood)
- Intake leak between MAF and turbo (common on track loaders from vibration) Likely
- Plugged air cleaner element Likely
- Contaminated MAF sensor Possible
Step-by-Step Diagnostic Procedure
Inspect charge-air cooler boots and silicone couplers for splits.
Service Bobcat air cleaner per daily walk-around spec.
Clean MAF with CRC MAF-safe cleaner only, never rag.
Frequently Asked Questions
What is Bobcat code P0101?
Bobcat P0101: Mass Air Flow / MAF Sensor Performance. This code is reported on Bobcat equipment running the described engine family.
Can I keep working with Bobcat code P0101?
Usually drivable short-term, but fix soon to avoid derate or DPF issues.
How much does Bobcat P0101 cost to fix?
Typical repair cost: $20-$350. Off-road diesel shop labor runs $125-$175/hr in 2026. Dealer diagnostic software (Bobcat Service Analyzer) is usually required.
P0101 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: