I got the needswings installed and a set of LET phenolic spacer gaskets. After starting I had a big miss that was limiting power driving around the block. Pulled the intake and gaskets, searched everything, hoses, clamps connectors and found nothing absolutely nothing wrong or out of place.

Started it up and it ran fine???????? THe intake was torqued carefully both times, I am really scratching my head. The Engine check light came on the first time and did not go away after the car began to run better the second try?

How do I get the codes to better understand this ? The supercharger was working both times and was audiable so that was not involved as I see it.

Everything looks great and runs fine now but I wanna get smarter about this if possible. Thanks.

3/9/08 update:
After driving the car 4 short trips the CHECK ENGINE light reset and everything is right as rain.

 

I'm no genius on these computer controlled cars..(gimme a 440 with a carburetor and I'll make it sing a song!)....but if it were me.........i'd clear the codes by pulling the battery cable for a few, do a throttle reset, and see how it goes.

I think maybe your MAF has been reading one thing for quite a while....now you're really running some air past it and it got a little confused. The Mercedes software probably needs a little time to "learn" it's new environment.

Maybe even run it for a little while.....as I understand....the CEL, once triggered, can take a few cycles to reset itself.

 

MAFs don't exist on MOST Diamler Chrysler vehicles....................speed density systems are used.

 

WOW.....really?

Then please explain to me what cavity 11 of the PCM connector is for. Or possibly what they put all of this in the service manual for?

9 - 8 ENGINE - ELECTRICAL DIAGNOSTICS

ZH

(P0101) MAF SENSOR PERFORMANCE

When Monitored and Set Condition

²

²

is greater than 14° for approximately 5 seconds, or the MAF Sensor reading is greater than a calculated
value that is determined by engine speed and throttle valve angle for approximately 5 seconds.

POSSIBLE CAUSES

FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN

FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT SHORTED TO GROUND
SENSOR GROUND CIRCUIT OPEN
MASS AIR FLOW SENSOR SIGNAL CIRCUIT OPEN
MASS AIR FLOW SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
5-VOLT SUPPLY CIRCUIT OPEN
5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
MASS AIR FLOW SENSOR
POWERTRAIN CONTROL MODULE

Diagnostic Test

1.

Turn the ignition on.

With the DRB III

Is this DTC present?

Yes

AIR FLOW CIRCUIT.

 

Another possibility would be the phenolic spacers were leaking... I bad intake manifold gasket can cause a similar issue on none boosted cars...

 

Really can't help you other than to report that my car ran fine after installing the Needswings intake.

 

Sent you an email Woody.

The 3.2L Kompressor uses a MAP sensor with a MAF simulator. The non Kompressor cars are MAF based....at least on the MB side.


If the car is running fine now, all that you should need to do is clear the code from the first part of the install.

Call me if you need help.

 

Interesting.............I guess the non SRT N/A benz engines actually have MAFs. I; like many on this forum, have removed my entire intake and never saw a MAF. I will change my prior statement to...........damn near all Chrysler/Dodge built engines don't have MAFs..........they use speed density system.

 

Also sounds to me like a leaking phenolic spacer may have been the issue. Because upon your reinstall it ran fine.

 

the crossfire never had a Chrysler/Dodge built engine in it, SRT or not they are 90% MB and that's why they have MAFs and are faster then any other chrysler built car with just a 3.2l engine

 

really? where is the srt6 MAF sensor located?