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yeh i've found this out too (the hard way)

i was changing my filters over and i forgot to plug the afm back on started the car n it was ideling like shit i thot oh my god wat did i do??? i didnt think it wud be the afm not for 1sec coz i thot the car wudnt start but yeh i looked around and found that the afm wasnt plugged in i got so relieved wen it started idelling good.. phheww

Edited by assyrian4evaa
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funny enough, I had the AFM unplugged before due to my paranoia after it was stolen once, I thought unplugging it would cause the car to idle like shit and deter opportunistic thieves. Well, one day, after starti9ng the car, I realised I hadn't actually plugged it in and it was idling quite well unlike the previous time where it wouldn't even idle....so that was a bit of mystry

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HOW the FU*K would the car know how much fuel/air to mix if i cant calculate the air flow without the AFM

The car would look at its other inputs... e.g. Coolant Temp, RPM and put in a pre-calculated amount of fuel. The Fuel map in the ECU would tell it the values - and since your off boost, it should be able to get away with it a bit.

Cars do have to have a bit of tolerence if they lose a sensor, they may not run right - but they should be able to let you slowly drive home.

Cheers

Sumo

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