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SwampAss
06-09-2008, 10:16 PM
I searched the threads for the above DTC and found it's a "too rich at idle" code. I threw a CEL after installing my CP-E CAI. Like a doofus, I never took the negative lead off the battery when I changed my MS CAI over to the CP-E one. I knew how it went on and didn't need no danged instructions.

It's showing 14 flat to 14.3 at idle. It occasionally went to 14.7. I cleared the code and took the negative lead off my battery for 10 minutes. Who's wagering I fixed it?

FWIW, the car pulls hard for being 100F out.
stockms3
06-09-2008, 11:03 PM
You Fixed It!
SwampAss
06-09-2008, 11:07 PM
that's one for fixing it.


anyone else?
MSP #167
06-09-2008, 11:07 PM
the code will return. adding a cai on the ms3 changes the flow of the air passing the maf and messes up the readings. It causes more turbulance of the air than the stock intake, that's why you get that code.
SwampAss
06-09-2008, 11:08 PM
the code will return. adding a cai on the ms3 changes the flow of the air passing the maf and messes up the readings. It causes more turbulance of the air than the stock intake, that's why you get that code.

My other CAI has been on for 22,000 miles and never threw a code.
MSP #167
06-09-2008, 11:09 PM
different cai different flow...
MSP #167
06-09-2008, 11:12 PM
this is the reason mazda stopped the production of the ms cai, alot of cars were coming in with that same code and the only thing to stop it from coming back is to put the stock intake back on.
SwampAss
06-09-2008, 11:23 PM
I've been on this forum since the MS3 came out. I've never seen anything in regard to what you're talking about.
MSP #167
06-09-2008, 11:36 PM
I've been on this forum since the MS3 came out. I've never seen anything in regard to what you're talking about.

I've been working on ms3's since they came out.....I've dealt with every problem they've had.
SharkDiver
06-10-2008, 01:48 AM
I've been on this forum since the MS3 came out. I've never seen anything in regard to what you're talking about.

+1

Also 14.7 is normal..What was the afr when you thru the code?
haberdashery
06-10-2008, 02:45 AM
shoulda gotten a short ram!
SwampAss
06-10-2008, 07:43 AM
it hovers around 13.0-13.8. I drove my normal 40 minute commute this am and it still settles in the 13s. But, if I sit for about 10-20 seconds, it adjusts back up to 14.7. No CEL
JaxJeff
06-10-2008, 07:48 AM
it hovers around 13.0-13.8. I drove my normal 40 minute commute this am and it still settles in the 13s. But, if I sit for about 10-20 seconds, it adjusts back up to 14.7. No CEL

I had this problem too it only di it twice but cleared itself both times. Mine seems to do it only when the car sits at idle for like 10 mins or more.
Both times the CEL was on the car ran like a beast though.
SwampAss
06-10-2008, 07:55 AM
I have a aeroforce scan gauge. I just reach down and clear that ish. :)
mcb
06-10-2008, 08:21 AM
There shouldnt be a problem with CP-E CAI... they designed the maf housing to not trow code. I installed mine a month ago and no cel. (save that gas cap code) Many user have it for a long time and it seem no one is getting DTC with it.

Maybe swamp its just that your car dont like you? Be gentle with her, talk to her. (hippy)
SwampAss
06-10-2008, 08:30 AM
the car runs great. It compliments the standback nicely. It seems to pull a bit cleaner down low than the MS CAI. I could be imagining it too.
stockms3
06-10-2008, 12:17 PM
I Was Right Bitchez
desperado-c
06-10-2008, 02:08 PM
There shouldnt be a problem with CP-E CAI... they designed the maf housing to not trow code. I installed mine a month ago and no cel. (save that gas cap code) Many user have it for a long time and it seem no one is getting DTC with it.

....

CPE good, no codes since install a year and a half ago. MSP #167 confused. CPE not equal MS-CAI. MS-CAI bad. If code return, Swampass bad. Not following instructions in some other way.
SwampAss
06-10-2008, 02:12 PM
Tarzan check for bees.
Mid_Life_Crisis
06-10-2008, 02:31 PM
Tarzan check for bees.

Where Tarzan find broomstick in jungle?
SwampAss
06-10-2008, 02:58 PM
Google my last post.
knowledge007
06-10-2008, 03:11 PM
I have been throwing this code often. And I am sure you all remember what I have...CPE CAI, TBE with High Flow. I think its a boost leak, as I threw a P0300 code the other day. I haven't thrown that code since I had the standback installed, so I really think its a vac leak somewhere. I just bought the forge b/c I have a feeling I fucked up the stock bpv when I boosted the car to 18 psi and thats why it is defective. Forge came in today so I will be trying it out later tonight. Also, if that doesn't fix the situation, then next is to check my inlet pipe. If anyone would be so kind as to tell me how I could get to the inlet pipe and frankly where the hell its located.
matsuda
06-10-2008, 05:10 PM
A couple of thoughts:

1) I believe that the CP-E CAI is the best intake money can buy. It is a CAI (yes, intake temps do make a difference, the ECU does not ignore the IAT sensor) and the machined MAF housing is a thing of beauty.

2) Don't look at A/F ratios because the fuel system is usually running closed loop. Check the LTFT's instead. For example, if the intake had a leak after the MAF sensor, the ECU will try to compensate by adjusting the fuel trims. In this case, the A/F ratio may look normal but the LTFT's are going to be way off. At idle, the LTFT with a CP-E CAI is usually less than zero (i.e. a negative number). If the LTFT (at idle) is ever greater than +/- 10%, something is wrong.
SwampAss
06-10-2008, 07:20 PM
Long term fuel trim?
SwampAss
06-10-2008, 07:24 PM
LTFT is -1.5% @ idle.
Mid_Life_Crisis
06-10-2008, 07:38 PM
Google my last post.

Way I heard it was a hillbilly and a broomstick instead of a Tarzan and a kick.
matsuda
06-10-2008, 07:59 PM
LTFT is -1.5% @ idle.

That's good.
SwampAss
06-10-2008, 08:38 PM
Maybe I'm doing it wrong. now it shows 7.0. It seems like it takes 60 seconds to update. I got it to go -1.5 again but it went back to 7.0
matsuda
06-11-2008, 04:35 AM
Maybe I'm doing it wrong. now it shows 7.0. It seems like it takes 60 seconds to update. I got it to go -1.5 again but it went back to 7.0

Is the engine fully warmed up?

Note that you will see 4 different LTFT readings depending on the engine load:

1) Idle
2) "Off-idle" (minimal load) You can see it by pressing the accel pedal slightly when you are in neutral (or clutch pedal down).
3) Medium load (for example, cruising on the freeway)
4) High load / WOT
SwampAss
06-11-2008, 07:33 AM
it is with it fully warmed. It also seems like it takes forever for it to refresh the data. On a side note, I haven't gotten another CEL and for what it's worth, my A/F is hovering where it's supposed to be.

I also went back and made sure all of my connections were good and checked for possible leaks. It's all tight.