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Limp Mode

FStallcup
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FStallcup Member

FStallcup

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I'm new to Renntech and hopefully I follow the decorum correctly.  If not I apologize.  Anyway, I have a 2000 Boxster S.  It has been sputtering on take off and gave codes that suggested the MAF was out.  I disconnected the MAF wiring and it greatly improved the performance.  I ordered a MAF and by the time it came in I believe my car went into Limp Mode.  I installed the new MAF and cleaned the throttle body but it still acts like it is in limp mode.  I also changed the spark plugs hoping this would help.  The only code I'm getting off it now is P1118 and also the codes for missing on cylinders 2 and 3.  Is it possible that is simply still in limp mode?  If so is there a way for me to reset it?     

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JFP in PA Member

JFP in PA

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5 minutes ago, FStallcup said:

I'm new to Renntech and hopefully I follow the decorum correctly.  If not I apologize.  Anyway, I have a 2000 Boxster S.  It has been sputtering on take off and gave codes that suggested the MAF was out.  I disconnected the MAF wiring and it greatly improved the performance.  I ordered a MAF and by the time it came in I believe my car went into Limp Mode.  I installed the new MAF and cleaned the throttle body but it still acts like it is in limp mode.  I also changed the spark plugs hoping this would help.  The only code I'm getting off it now is P1118 and also the codes for missing on cylinders 2 and 3.  Is it possible that is simply still in limp mode?  If so is there a way for me to reset it?     

 

Welcome to RennTech :welcomeani:

 

Some of the replacement MAF units require some reprogramming using either a PST II or PIWIS system in order to work correctly.

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FStallcup Member

FStallcup

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19 minutes ago, JFP in PA said:

 

Welcome to RennTech :welcomeani:

 

Some of the replacement MAF units require some reprogramming using either a PST II or PIWIS system in order to work correctly.

Thanks for your response.  I replaced the MAF with the one ending in 125.01.  The guy at Porsche of Nashville said it would not need to be programmed.  Just plug in and go.

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mikefocke Member

mikefocke

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Do you have the old MAF? Was it a -124 or a -125? Because there are two MAFs for the 2000 model year depending on the chassis number. The info I had for the -124 (the one that needs the reflash if any -125 is substituted) is:

"Early 2000 (1/31/2000)

 (thru Boxster 2.7L Chassis #98 6YS 62 0414 and #98 0YU 62 5099)
(thru Boxster S 3.2L Chassis #98 0YS 66 0257 and #98 3YU 66 2413)"

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FStallcup Member

FStallcup

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Mine is 98 0YU 66 2192

I installed the 125 as recommended by Porsche of Nashville.  I spoke with a Porsche repair shop earlier this morning.  He doesn't believe it's limp mode.  Whatever the reason I've got cylinders 2&3 misfiring. It doesn't correct it when I disconnect the wiring from the MAF.

The codes I am getting are:

P1118

P0300

P0303

P0302

 

I switched the spark plug coils in 2 and 3 with 5 and 6 to see if the problem moved with it.  Just got back from getting the codes.  Now it is giving me:

P0302

P0303

P0304

P0305

P0306

...and no longer getting P1118

 

Edited by FStallcup
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