Is this sufficient air flow?
#1
Is this sufficient air flow?
IROC transplant into a1955 Chevrolet sedan. I had the filter coming through the radiator support, then just behind as shown. I've even removed the filter entirely! I keep getting Code 34 MAF Sensor Low regardless. Can anyone offer any advice?
Mike
Mike
#2
Joined: Jul 2010
Posts: 795
Likes: 62
From: Marion, IL
Car: 86 Trans Am/85 K5 Jimmy
Engine: 406 FIRST/350 TPI
Transmission: TKO 600/700R4
Axle/Gears: 9Bolt/10Bolt front & back
Re: Is this sufficient air flow?
Can't imagine this is causing the code. What is the history on the MAF sensor? What brand is it? I don't run a MAF car but have heard the aftermarket units are problematic I think?
#3
#7
Re: Is this sufficient air flow?
Is this what you are looking for?
Mike
COULD LOW TPS VOLTAGE AFFECT IT? I'M SEEING DESIRED .54 +/- .075. .44 ISN'T MUCH LOWER, BUT IT IS LOWER.
Last edited by mcb55-210; 10-29-2024 at 02:48 PM.
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Re: Is this sufficient air flow?
Mike
#12
Re: Is this sufficient air flow?
You can't read the maf voltage with a simple scan tool. It can be done with modified programming and more sophisticated scanning/tuning tools that can also be modified accordingly.
However, the MAF voltage would be between 0.00-0.090 volts (calibration dependent), which is why it is setting a Code 34. Are we sure that the maf is even being powered? Check the maf power relay and related wiring.
6 gm/sec would be about 0.00 volts (if using a 305 bin like APYS) which is less than the 0.140 volt threshold, so this value is consistent with the Code 34 failure detection settings. Sorry, I tend to forget about 305 bins.
6 gm/sec would be about 0.090 volts (if using a 350 bin like ARAP) which is also less than the 0.140 volt threshold.
However, the MAF voltage would be between 0.00-0.090 volts (calibration dependent), which is why it is setting a Code 34. Are we sure that the maf is even being powered? Check the maf power relay and related wiring.
6 gm/sec would be about 0.00 volts (if using a 305 bin like APYS) which is less than the 0.140 volt threshold, so this value is consistent with the Code 34 failure detection settings. Sorry, I tend to forget about 305 bins.
6 gm/sec would be about 0.090 volts (if using a 350 bin like ARAP) which is also less than the 0.140 volt threshold.
Last edited by tequilaboy; Yesterday at 11:44 AM.
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