996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

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Old Sep 17, 2013 | 07:13 AM
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Originally Posted by scsponger31
yes. i have purchased two from that dealer. they work exactly as intended. only reason i needed another is i sometimes hit the raised rev limiter which kills mafs.

looks like their price has gone down a bit $42.00 & free s&h? i suppose one could buy the new bosch maf in the box for 200-300. i read that it comes with shiny brown wax paper.
 
Old Sep 17, 2013 | 07:18 AM
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Originally Posted by '02996ttx50
yes. i have purchased two from that dealer. they work exactly as intended. only reason i needed another is i sometimes hit the raised rev limiter which kills mafs.

looks like their price has gone down a bit $42.00 & free s&h? i suppose one could buy the new bosch maf in the box for 200-300. i read that it comes with shiny brown wax paper.
I may have to give it a try then. 5 times cheaper!
 
Old Sep 17, 2013 | 07:23 AM
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how can you go wrong? i wouldn't speak on it unless my experiences were favorable.

also.. not for nothin'.. there are VERY reputable tuners that specifically use these refurbs as needed. they shall remain nameless.

the seller is standup too. you'll have it in one day. pls let us know how it works for you.
 
Old Sep 17, 2013 | 07:27 AM
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Originally Posted by '02996ttx50
how can you go wrong? i wouldn't speak on it unless my experiences were favorable.

also.. not for nothin'.. there are VERY reputable tuners that specifically use these refurbs as needed. they shall remain nameless.

the seller is standup too. you'll have it in one day. pls let us know how it works for you.
Just bought one. Now I just have to deal with the coolant smell haha.
 
Old Sep 17, 2013 | 08:21 AM
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Originally Posted by scsponger31
Just bought one. Now I just have to deal with the coolant smell haha.
cool. should work great. re coolant smell? hopefully it's nothing.
in fact, maybe it's part of the "new normal"! lol
 
Old Sep 21, 2013 | 12:04 PM
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Replaced the MAF. Now hitting 1.2 bar!! Abs/psm lights are still on though :/
 
Old Sep 21, 2013 | 12:31 PM
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Have you drive cycle vehicle a couple of times ?
 
Old Sep 21, 2013 | 01:45 PM
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glad the maf worked out! ..and hope it isn't too soon to tell! lol..

did you CLEAR the codes though...? also the "reset" protocol for a new maf must be followed!
 
Old Sep 21, 2013 | 04:05 PM
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Originally Posted by '02996ttx50
glad the maf worked out! ..and hope it isn't too soon to tell! lol..

did you CLEAR the codes though...? also the "reset" protocol for a new maf must be followed!
I cleaned the stock MAF well and put that back in. No lights or sputter now but also not hitting anything past 1 bar. What is the "reset" protocol? It is possible I missed something.
 
Old Sep 21, 2013 | 04:30 PM
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I would buy a new oem.bosch maf just my opinion not wanting a debate.
 
Old Sep 21, 2013 | 05:15 PM
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Originally Posted by scsponger31
I cleaned the stock MAF well and put that back in. No lights or sputter now but also not hitting anything past 1 bar. What is the "reset" protocol? It is possible I missed something.
All and any talk about the maf is moot given you haven't actually changed it yet. I sure wouldn't count on cleaning it as a solution but some folks have had success with it.
Personally I wouldn't hope for it to work
properly, given that it isnt designed to be "cleaned".

My advice ( for what it's worth? ) Is to clear any/all codes, then install a new or refurbished maf and turn the ignition on for approx one minute until you hear the clicking? ( Tb reset? ) then start the car. Do not press the gas pedal while it's "adapting"
I don't know any more about it than that. But I do believe the new maf needs to adapt to new fuel trims etc.

Again, cleaning the maf and expecting positive results is ( to me anyway ) wishful thinking, and fraught with uncertainty.
 
Old Sep 21, 2013 | 06:05 PM
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Originally Posted by '02996ttx50
All and any talk about the maf is moot given you haven't actually changed it yet. I sure wouldn't count on cleaning it as a solution but some folks have had success with it.
Personally I wouldn't hope for it to work
properly, given that it isnt designed to be "cleaned".

My advice ( for what it's worth? ) Is to clear any/all codes, then install a new or refurbished maf and turn the ignition on for approx one minute until you hear the clicking? ( Tb reset? ) then start the car. Do not press the gas pedal while it's "adapting"
I don't know any more about it than that. But I do believe the new maf needs to adapt to new fuel trims etc.

Again, cleaning the maf and expecting positive results is ( to me anyway ) wishful thinking, and fraught with uncertainty.
I installed the refurb MAF prior to cleaning the stock. Hit higher boost levels but lights came on. I will probably go with a Bosch unit.

I appreciate everyone's input. This forum has saved me more than once.
 
Old Sep 21, 2013 | 06:11 PM
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Originally Posted by scsponger31
I installed the refurb MAF prior to cleaning the stock. Hit higher boost levels but lights came on. I will probably go with a Bosch unit.

I appreciate everyone's input. This forum has saved me more than once.
that is confounding beyond my ability to assist, though obviously i would not suspect the maf if you tried the "newer" one and hit higher(?) boost. whatever that means for your car..but you hit higher boost levels with the refurb and then the abs/psm lights, and you think it's the maf still. hmm, ok.

i'm sorry it didn't work for you, though i'm still not sure it didn't. lol. it was worth a try. again, my car runs at 1.2 with the refurb maf. zero issues. chalk up another headscratcher

add: also.. if you neglected to reset it when you replaced it ( them ) all bets are off. it matters.

and in an attempt to partially redeem myself lol ( although i feel my advice "might" have helped and that the refurb isn't the "issue" ).. here's the best price on the oem maf i think you will find .. $180.. free S&H

http://www.ebay.com/itm/Porsche-Air-...item1c35e11d39
 

Last edited by '02996ttx50; Sep 21, 2013 at 06:24 PM.
Old Sep 21, 2013 | 07:20 PM
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What codes are you getting? Without reading those, it's a shot in the dark. There are lots of difference reasons for those lights to come on, the MAF only being one of them.
 
Old Sep 21, 2013 | 08:25 PM
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Originally Posted by scsponger31
I cleaned the stock MAF well and put that back in. No lights or sputter now but also not hitting anything past 1 bar. What is the "reset" protocol? It is possible I missed something.
i just realized something upon re-reading your post(s).

the fact that you didn't boost past 1.0 after messing with these components means nothing, ESP in "city" conditions. my car runs at 1.2 but that doesn't mean in the 1/4 mile i usually have to play with i can see that every time! ya know? although i have offered as much help as i can, i strongly suspect you may have reached the limits of your capability to play with your car and achieve favorable results and there is no shame in that.

if i were you? i'd buy a new bosch maf ( to eliminate that as the cause of your psm/abs wakeup ) and have a mechanic install it, and clear the codes and advise. sorry to say, but it sounds like you have clearly reached your limitation ( unless plugging in a new maf puts you instantly at 1.2 again..lol ) GL with it. it can't be that big a deal. only so much stuff can go south vis a vis mafs,..provided all else is functioning normally.

that may be the $64k question here.
 


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