Intake air temp sensor
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
Are you getting any codes ?? reaon i ask--that IAT sensor is a joke--I would check the reading with any scanner to see what temp it is stuck on or reading--It is supposed to read "incoming air temp"( outside temp) and adjust timing based on that--However it doesn't---What happens it reads
"underhood air temp" and that is always super high---when driving in the city its common for it to read like 160* where it has a -10* decuct in timing---these cars only run WOT at about 20* so basically it's taking 1/2 of the timing OUT----making it a real dog---LOL
Most tuners adjust the IAT table in the ECM to compensate for this false reading
"underhood air temp" and that is always super high---when driving in the city its common for it to read like 160* where it has a -10* decuct in timing---these cars only run WOT at about 20* so basically it's taking 1/2 of the timing OUT----making it a real dog---LOL
Most tuners adjust the IAT table in the ECM to compensate for this false reading
Race Director
Joined: Mar 2008
Posts: 12,413
Likes: 502
From: Rio Rancho NM
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Race Director
Joined: Mar 2008
Posts: 12,413
Likes: 502
From: Rio Rancho NM
Just clear it and see what happens lol why wait and see takes 3 seconds.
just in case you don't have this.
http://www.stengel.net/diccodes.htm
just in case you don't have this.
http://www.stengel.net/diccodes.htm
Thread Starter
5th Gear
Joined: Oct 2011
Posts: 5
Likes: 0
Just clear it and see what happens lol why wait and see takes 3 seconds.
just in case you don't have this.
http://www.stengel.net/diccodes.htm
just in case you don't have this.
http://www.stengel.net/diccodes.htm
Burning Brakes
Joined: Jun 2010
Posts: 812
Likes: 2
From: Metairie Louisiana
Are you getting any codes ?? reaon i ask--that IAT sensor is a joke--I would check the reading with any scanner to see what temp it is stuck on or reading--It is supposed to read "incoming air temp"( outside temp) and adjust timing based on that--However it doesn't---What happens it reads
"underhood air temp" and that is always super high---when driving in the city its common for it to read like 160* where it has a -10* decuct in timing---these cars only run WOT at about 20* so basically it's taking 1/2 of the timing OUT----making it a real dog---LOL
Most tuners adjust the IAT table in the ECM to compensate for this false reading
"underhood air temp" and that is always super high---when driving in the city its common for it to read like 160* where it has a -10* decuct in timing---these cars only run WOT at about 20* so basically it's taking 1/2 of the timing OUT----making it a real dog---LOL
Most tuners adjust the IAT table in the ECM to compensate for this false reading
Burning Brakes
Joined: Jun 2010
Posts: 812
Likes: 2
From: Metairie Louisiana
^^^ help, I got the slow car blues!, and on a '01 where is the sensor?
Last edited by had2have-it; Oct 6, 2011 at 11:23 AM.
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
Typically I will remove ALL the IAT deducts in the WOT fuel ranges
(.52 grams and up) up to 122*---- after 122* to about 167* I wil remove about 60% of the deducts from .52 grams on up-
ALSO with any air intake mod--the increased airflow can make your P/T fuel ratio lean--but the ECM will correct this usung your 02's and make the changes via your LTFT fuel trims--HOWEVER at WOT that positive fuel % additon is also transferred to your WOT fuel as well as a safety--For example if at P/T your ECM is adding 5% fuel to correct for the leaness coming fomm your intake mod---It will add that same 5% to your WOT as well !! making it pig rich and lazy--Even a 5% addition of fuel at WOT is HUGE !!
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
Best wy is to go to the EFILIVE website---You can download a FREE demo version from the home page which is exactly what we use-You won't be able to read ot load tunes but you can see the complete software---The IAT deduct table in EFILIVE is B5911 --Kinda hard to copy and paste so this is the esiest way to show you--
PS : most likely it's in metric so the temps are celcius--BUT go to on top left of page --click on "EDIT" then click on "configure didplay units " and it will walk you thru the rest to change all to farhenheit and Imperial (US)
PS : most likely it's in metric so the temps are celcius--BUT go to on top left of page --click on "EDIT" then click on "configure didplay units " and it will walk you thru the rest to change all to farhenheit and Imperial (US)
