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1996 Mercury Mystique Question: I just replaced my mass air sensor and now with it in there the car is stalling

 

Question

richardr55, 2.0L 4 Cylinder, Stuart, FL, October 02, 2012, 18:20
 Rookie

today i put the old one in and the car didnt stall but check engine light came on with the new mass air sensor
the check engine was off what would the car to run rough

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  • Answer #1

    Greg's Orange Auto (14209 Answers) , Orange, CA - (714) 361-9386
    globalhelper October 03, 2012, 06:38
     Master

    WHY DID YOU CHANGE IT AND WHERE DID YOU BUY THE PART. AFTERMARKET AIR FLOW SNSORS ARE MARGINAL AT BEST

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    richardr55, October 03, 2012, 07:36
     Rookie

    i got it on ebay and the reason I changed it was a check engine light was on and checked codes and that told me it was the mass air sensor .
    I just went out side and ran the engine with the mass air flow sensor not conected and ran great so discounected the battery and conected the mass air flow sensor and drove it better but didnt go to far

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    ziptie12, October 03, 2012, 09:16
     Master

    The code is for the system or circuit affected , NOT necessarily the part. I agree with globalhelper about the part(s) , OEM is usually best.

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    richardr55, October 03, 2012, 09:29
     Rookie

    any ideas what it maybe Im a little mested up now that i put the old one back in and didnt stall and when i put new one in it it stalls out
    RR

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    globalhelper, October 03, 2012, 10:07
     Master

    YOU BOUGHT IT ON E BAY WOW REALLY IT COULD BE THE SENSOR OR THE CIRCUIT. THE DOESN"T ALWAYS MEAN CHANGE THIS PART, THATS WHY WE GET THE BIG BUCKS WE DIAG THE CIRCUIT

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    richardr55, October 03, 2012, 11:00
     Rookie

    when i went and read the code PO102 WAS THE CODE READMEAN ANY THING TO YOU??

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    globalhelper, October 03, 2012, 12:29
     Master

    code po102 mass air flow sensor circuit low imput. could be sensor or signal

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