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'92 Es300 Stalling With Maf Plugged In


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Hey guys, I was trying to clean my maf today with MAF cleaner. But after i plugged it back in, my car would stall and there would be a check engine light. However, when I unscrew and pull out the maf a bit the car starts and idles like normal, except with the cel. Is the maf damaged? The car only stalls when the maf is plugged all the way in. Any help would be appreciated! Thanks in advance!

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The 92 uses an AFM, not a MAF. They don't get dirty on any metering portion. By cleaning it, you may have destroyed the PCB in the top of it, which would make it, well not work!

MVC-476F.jpg

MVC-477F.jpg

AFM-2.jpg

AFM-1.jpg

Try resetting the ECU & plugging it in. Otherwise... eBay / Junkyard time!

Be sure to check it with a multimeter.

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Good deal. You've got the right idea tho!

What you wanna do is take the upper intake manifold off & clean it, the throttle body, EGr valve & IAC valve.

IAC-ACIS.jpg

Change the spark plugs while it's off too!

(and check the distributor cap& rotor, wires & everything else fancy!)

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