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Guest Message by DevFuse

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95 Impreza Mass Air Sensor Circuit Pbm.

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1 reply to this topic

#1 AirheadDave


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Posted 12 August 2006 - 12:50 AM

My 95 Impreza has been stalling for about 3 weeks. It usually happens in high outside heat, warmed up, after a short time shut off. When I start the car, everything is fine for between 10 sec and 10 minutes then the engine suddenly loses all power, and the RPM's stutter. It usually takes 3-5 seconds for the engine to die completely and there is a 50-70% chance that the engine will catch in that time and I can continue driving. If it stops, I can restart right away without a problem.

After 3 weeks the car finally threw a code: 100. Mass Air Flow Sensor Circuit fault.

Is there a history on these things I should know? Any place to start looking?

I haven't had time to check the wiring yet, but I thought that is where I'd start, hoping I can find a wear point or corroded connection.

Thanks in advance everyone.


#2 Manarius


    1995 Subaru SVX LSi

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Posted 12 August 2006 - 07:57 AM

I'd start by replacing the Mass Air Flow sensor itself. Find someone here who has one and is willing to sell it cheap (like 25 bucks). I had the exact same issues as you when my car's MAF sensor went bad.

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