Chevrolet P1101: Intake Air Flow System Performance

Is your scanner showing Chevrolet P1101?
No worries. We'll show you what it means and how to deal with it.

Presented by

Randy Worner

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Chevrolet P1101: Intake Air Flow System Performance

OVERVIEW

Severity

High

DIY Difficulty Level

Intermediate

Repair Cost

$50-$400

Can I Still Drive?

Yes (Short-term only)

What Does The Chevrolet P1101 Code Mean?

The ECM detects that the actual airflow rate is greater than the calculated airflow.

The engine speed is between 465-4,600 RPM. The IAT Sensor is between -20 and +100°C (-4 and +212°F). The ECT Sensor is between -7 and +125°C (+19 and +257°F). This DTC runs continuously within the enabling conditions.

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Dorman 86689C 399 PC Automotive Electrical Repair Kit
>>> Chevrolet Air Cleaner Bracket

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Chevrolet Volt Hybrid DTC – OBDG01 HYBRID Diagnostics Document, page 141.
GM, 2013, Service Bullettin – Possible Oil Consumption Or Blue Smoke From The Exhaust CEL Or Fuel Trim Codes.
GM, 2013, Service Bullettin – Check Engine Light On with DTC P1101 Set.
GM, 2013, Service Bullettin – Malfunction Indicator Lamp (MIL) On, Various DTCs Set, IPC Inoperative, Display and/or BCM Fuse Blown.
GM, 2013, Service Bullettin – Car and Truck Fix it Right the First Time Issues.