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Mass airflow sensor 2001 Grand Prix question

waxworm09

By waxworm09
in Automotive Information Sharing

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waxworm09 Rising Star

waxworm09

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My Grand Prix stalled on me the other day, so we hooked up the computer and it came up with the code for a mass airflow sensor. I was surprised to find out after calling every parts store in town, the cheapest I could find was $130 for a remanufatured sensor, $150 for a new one. However I did find one at a salvage yard for $85. Would you recommend saving the 45 bucks and buying it at the salvage yard, or paying extra at the parts store? I think it has a one year warranty at the parts store. Or any other suggestions on where to look for one? I had no idea that little sensor would cost so much, and it's in my work car with 221k so I would like to fix it as cheap as possible. Thanks for any suggestions.

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waxworm09 Rising Star

waxworm09

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I didn't try cleaning it, I will try that tonight. I did some more searching and found another one at a salvage yard for 60 bucks in the local area. Maybe I'll try the used one for 60, that would save 90 bucks compared to the new one. Either way ill stay away from the remanufatured ones. When I install a new one, do I disconnect the battery or have to do anything other than just plugging it in? Not sure if the computer needs to be reset or anything like that..

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leech~~ Grand Master

leech~~

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I didn't try cleaning it, I will try that tonight. I did some more searching and found another one at a salvage yard for 60 bucks in the local area. Maybe I'll try the used one for 60, that would save 90 bucks compared to the new one. Either way ill stay away from the remanufatured ones. When I install a new one, do I disconnect the battery or have to do anything other than just plugging it in? Not sure if the computer needs to be reset or anything like that..
I think that I would unplug it to give it a reset to the cleaned one or new one.
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JOHNBIGDOG Proficient

JOHNBIGDOG

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I think that I would unplug it to give it a reset to the cleaned one or new one.

Disconnecting the sensor with the key off will do nothing. Disconnecting the sensor with the car running will set the MIL. Disconnecting the battery for some time will / can turn off the MIL (Malfunction Indicator Light)

On a side not the car will run and drive with out the MAF (Mass Air Flow)connected. So If need be you can drive it, but It will turn on the MIL.

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leech~~ Grand Master

leech~~

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Disconnecting the battery for some time will / can turn off the MIL (Malfunction Indicator Light)

Yep that's what I ment but didn't state clearly. It will run on the "default" setting but the eng light will come back on and stay on! wink
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waxworm09 Rising Star

waxworm09

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Well, I bought a can of electronic cleaner, took out the sensor and sprayed it and let it dry. I put the sensor back in and the service engine light went off so I thought I was good to go. saturday night the light came back on. so i have since removed the sensor twice and sprayed it with the cleaner, but the service engine light is still on. The car still runs fine, but not sure for how long. So im going to buy the sensor for $60 at the junk yard and give that a shot i think. If that doesnt work ill have to pay $150 for a new one i guess.. Cant believe they cost that dam much!

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