So how am I getting MAF readings on the OBDII? At idle I get around 50cfm and cruising around 300cfm. I didn't do anything to the MAF sensor yet because I didn't realize it had tamper torx screws.
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10-20-2016
So how am I getting MAF readings on the OBDII? At idle I get around 50cfm and cruising around 300cfm. I didn't do anything to the MAF sensor yet because I didn't realize it had tamper torx screws.
10-20-2016
just cause you see a signal dont mean its a good signal, the code says it suffers from low voltage. that means its not working right.
10-23-2016
New MAF sensor did the trick. Now I can drive her like the hot rod she is! Highest KR I saw was 1.7 with the hammer down.
10-23-2016
10-23-2016
that might go away after the trims re learn.
10-23-2016
Sweet. What else should I be keeping an eye on?
10-23-2016
just the long term fuel trims and kr really.
11-08-2016
So I've got about 700 miles on it since the mods. Driving to work I might see up to 1.0 KR, but when I really got on it on an entrance ramp, I recorded 2.4 KR. How much is too much?
11-08-2016
do you have an L67, and what are you mods?
11-08-2016
L67, headers, 3.5 pully, zzp tune, NGK TR6's, 10.5mm wires, MSD coils,180 degree thermostat.
11-08-2016
a 3.5" pulley should be good with those mods, I would look around and see if you can find anything like an O2 sensor hitting on the firewall. I wouldn't think you would have any kr with those mods and pulley. might be worthwhile to look for a spark plug wire that is running too close to the header and is shorting out. I usually don't worry about kr less than 1*.
11-08-2016
O2 sensor could be hitting tunnel occasionally. I bought an extender but realized i cant install it with the header attached. Maybe if i take off the dogbones and disconnect the catback and rock the engine.
11-08-2016
If you can get under the car, you could also use a hammer to dent in the firewall
11-08-2016
Yeah, I tried that twice. First, when I installed the headers, and then again, when I realized the bung extension fitting didn't fit with the headers installed. That tunnel sheet metal is some strong stuff, especially right where the O2 sensor needs relief! I have a bung I can weld on somewhere, so I may go that route. The O2 sensor only has about a half inch clearance, or maybe a little less where it is right now on the Speed Daddy's.Originally Posted by SgtMarshal
Last edited by Garandpa; 11-08-2016 at 04:36 PM. Reason: clarification
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