P1101 is a diagnostic trouble code (DTC) for "Mass Airflow Sensor Out of Self Test Range". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this …

Jun 22, 2021 · Since P1101 is a so called MAF code why would the throttle body and tube going to it have anything to do with the MAF?. Does the throttle body measure air flow, i didn't think …

Apr 14, 2025 · Got P1101 Mass airflow sensor code. 2020 Malibu 1.5L. 35K miles. Well maintained. No performance issues while light on. Not losing oil. Replace air filter, was clean. …

Jan 29, 2025 · P1101 keeps coming back. Original owner. 2016 Malibu 45k miles. I took the airbox changed air filter, intake tube going for MAF to the turbo, there is some yellowish liquid …

May 16, 2022 · The cause of P1101 on this car is nearly always 1) filter or airbox tightness, 2) dirty throttle body, 3) oil sludge blockage in the camshaft cover PCV orifice from relaxed …

Nov 29, 2020 · I have recently had my check Engine light come on, with the P1101 code which has to do with a mass airflow sensor or the air generated to the engine, I have switched the …

Oct 3, 2024 · P11O1 Keeps coming back: Replaced MAF,cleaned Fuel system and also added new air filter. But the check engine light shows up in the morning and goes off …

Jun 8, 2021 · P1101 is a MAF sensor malfunction and P2097 shows your engine is running rich. The two issues are probably related.

Nov 15, 2024 · U0073, P0700, U0101, U0100, U0129, U2413, P1101. I suggested the known bulletin for the communication bus, but the dealership summed it up to a wiring issue. They …

Feb 7, 2025 · Hi All, Been reading a lot about the intake air flow system since I got this P1101 code with check engine always on, and from what I read (on internet, no service manual...), …