Code 36
Thread Starter
Advanced
Joined: Oct 2004
Posts: 78
Likes: 0
Code 36
My 89 Vette started getting code 36's today. My MAF sensor is fairly new, and I replaced the burn off relays last summer. What am I missing? I tried resetting the ECM, by pulling the ECM's fuse. I still get the same code.
Team Owner
Joined: Sep 2001
Posts: 62,154
Likes: 1,731
From: Athens AL
C7 of the Year - Unmodified Finalist 2021
C4 of Year Finalist (performance mods) 2019
Le Mans Master
Joined: Sep 2006
Posts: 6,050
Likes: 147
From: Phoenix AZ
2021 C4 of the Year - Modified Finalist
maf
the maf code will go away if you disconnect the battery.
Then reconnect the battery and determine it is actually gone.
then start the car, wait for the check engine light to come on, and then shut it off, and recheck codes.
If it comes back, you need to check the maf connector, associated wires, and grounds.
Then reconnect the battery and determine it is actually gone.
then start the car, wait for the check engine light to come on, and then shut it off, and recheck codes.
If it comes back, you need to check the maf connector, associated wires, and grounds.
Last edited by coupeguy2001; May 18, 2007 at 01:45 AM.
Thread Starter
Advanced
Joined: Oct 2004
Posts: 78
Likes: 0
Thanks for the quick reply! One more question. I took the MAF off, and noticed that it looked dirty inside. Most likely from the oil from the K n Air Filter. Can I use carn cleaner to clean it? Or, shoud I just leave it alone?
Instructor
Joined: Apr 2007
Posts: 136
Likes: 0
From: Fountain CO
I don't know about carb cleaner. But I know that its fragile I probably used the wrong cleaners on the cars that had MAF sensors. I remember using denatured alcohol with success. Hopefully someone will recommend a known good solution.
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
Le Mans Master
Joined: Jun 2001
Posts: 6,694
Likes: 3
From: Less Talk, More WOT | Houston TX
I have been fighting this recently. Follow the flow chart and if you get all the way to "bad ecm or wiring" like I did, then get a can of contact cleaner and a small screwdriver and scrape on all the contacts of the MAF relays and MAF connector, and bend the pins slightly so they make better contact. This seems to have gotten rid of my problem.
Melting Slicks
Joined: Apr 2002
Posts: 2,118
Likes: 0
From: St. Charles, MO Route 66 Corvette Club
The C4 cars are aging like the drivers 
The female part of a terminal connection relaxes over time and you tend to lose electrical connection. This is especially true when you deal in low voltages as is seen in auto sensors. I have been using a product called Oxi-Guard on sensor connections in recent years. This is available at Home Depot/Lowes and seems to maintain electrical contact when you have clean connections. It is found in the "electrical" section of the store. Just a comment for fellow forum members 
The female part of a terminal connection relaxes over time and you tend to lose electrical connection. This is especially true when you deal in low voltages as is seen in auto sensors. I have been using a product called Oxi-Guard on sensor connections in recent years. This is available at Home Depot/Lowes and seems to maintain electrical contact when you have clean connections. It is found in the "electrical" section of the store. Just a comment for fellow forum members