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Doin' the MAF
In case any of you begin experiencing the following drivability surprises, you may want to swap out the MAF sensor. My usually reliable '92 with 137K began to suddenly die whilst cruising along at any speed. Slipping it into neutral while rolling, it would restart immediately, & go on its merry way for 10 miles, 80 miles, or 500 feet, then die again. It would die 3-4 times within a short trip, then run like new for another 100 miles. It would also occasionally die at idle. There have probably been a dozen threads on this SVX feature over the years. I cringe when the "sensor" word is mentioned, since it becomes a crap shoot if no code is displayed. However, previous Network info about this anamoly led me to Mike's (Rufus') left-over parts store, where he found a MAF sensor once mounted on an Impreza, vintage uncertain. It was hard for me to believe something resembling a light bulb filiment in a plastic tube could bring 230 hp to its knees. However.... I spritzed the existing MAF filiment with carb cleaner three times & let it dry thoroughly while using the Impreza unit for several days experiencing NO more surprises in the process. I later put the "old", cleaned MAF back in, & drove a perfect 10 miles until it crapped out again. Lesson learned. One question. I can't be the first to slap on a "non-SVX" MAF in a pinch. So far everything's smooth, & I feel no difference in performance. Might there be any future "concerns" by using the Impreza unit, or are they virtually identical except for the part number? I prefer to buy Mike an exotic six-pack, rather than pay Mr. Subaru the 360 bucks for a Gen-u-ine SVX MAF. Comments welcome. Ron.
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Good s**t happened. 69 was worth the wait. '92 stock semi-pristine ebony - 160K '96 Grand Caravan - 240K '01 Miata SE - 79K '07 Chrysler Pacifica - 60k - future money pit. |
#2
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Ron,
I was wondering what the progress was on your problem since the last time we spoke. Here is the link to Dayle's tip for cleaning the MAF. He says he does it twice a year. It probably cleans the electrical connection as well. http://www.subaru-svx.net/forum/show...&highlight=MAF Take a bottle of plain white vinegar, a large clear bowl and 1 stock Mass air sensor. Set the sensor in the bowl, and add vinegar until it rises just above the wires inside. Leave overnight. In the morning, rinse with water if you want and re-install sensor in car White vinegar is a mild acid thats why I use it. Cleans any oil and dirt from the sensative wires and helps keep your car running better. Try this method to see if the stock MAF will come back to life. If the Impreza MAF works, keep it. At this point in our cars lifetime, some things can work as well or better, or cheaper than stock OEM. That's why we have PWR radiators and ECUtune chips, alternator wiring mods, etc. .
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. Subaru Ambassador 1996 Polo Green LSi #216..138,100 miles...SOLD JFICX8659TH100216.....Date of Manufacture: November 16, 1995..... Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan In-Service Date: January 2, 1997 "The Pristine Green Polo Machine” First Polo Green on the Network First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000) First 5000K HID factory fog lights (2007) First SVX JDM BBS wheels on a USDM SVX (2013) HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler. R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016 2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback 2007 Mazda Miata MX-5 PRHT...102,000 miles. Plenty of parts, service and windshields. 4th Registered Network member —2/21/2001 My NEW locker..I...My Email..I..Wikipedia/SVX . . Last edited by svxcess; 12-05-2005 at 11:05 PM. |
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Quote:
Ron (considers a yellow Wal-Mart battery to be a mod.)
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Good s**t happened. 69 was worth the wait. '92 stock semi-pristine ebony - 160K '96 Grand Caravan - 240K '01 Miata SE - 79K '07 Chrysler Pacifica - 60k - future money pit. Last edited by Ron Mummert; 12-06-2005 at 07:52 PM. |
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Can you post the part number of that Impreza air flow sensor?
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Bill 94 SVX LE 130,000mi |
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Quote:
Ron.
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Good s**t happened. 69 was worth the wait. '92 stock semi-pristine ebony - 160K '96 Grand Caravan - 240K '01 Miata SE - 79K '07 Chrysler Pacifica - 60k - future money pit. |
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Ron and Mike,
Smart work to try the Impreza MAF - BTW, Ron, John forgot to mention that the Box-o - wine cleans the MAF wires just as well. But, NO, you wouldn't - would you????? Harry
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newsvx 1992 SVX LSL, #1215 1997 SVX LSi, #370 "I live with fear every day. Sometimes she lets me go racing." "Getting Older and Slower" Locker: http://www.subaru-svx.net/photos/user.php?newsvx |
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