'89 vette won't keep running
Thread Starter
Intermediate
Joined: Dec 2004
Posts: 38
Likes: 0
'89 vette won't keep running
My '89 wouldn't start this morning. It would crank and run for about 5 seconds and then stop. Thinking it was fuel related, I changed the fuel pump and the fuel filter. It still wouldn't keep running. I checked for codes and got a code 33. I disconnected the MAF sensor and now it starts and runs okay. I replaced the MAF sensor but, when connected, the motor kills. I bought a new MAF sensor and relays and the same thing happens. Anybody got any ideas?
Last edited by rbohrer318; Dec 3, 2004 at 10:39 PM. Reason: want to add more info
Instructor
Joined: Jan 2004
Posts: 178
Likes: 3
From: Evansville IN
Are you sure you changed the right relays? The relays for the MAF are the 2 behind the battery. There are a couple relays by the wheelwell that are for the cooling fans. The relays all look alike, so it would be easy to change the wrong ones. If this isn't the problem let me know, I have an 89 and can e'mail you the troubleshooting chart out of the factory manual. good luck Rich
Team Owner
Joined: Jan 2003
Posts: 20,316
Likes: 246
From: Summerland B.C. Canada
This flow chart may help you if you don't already have it 
http://members.shaw.ca/corvette86/Code%2033.pdf
http://members.shaw.ca/corvette86/Code%2033.pdf
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
Intermediate
Joined: Sep 2002
Posts: 28
Likes: 0
I have an 89, and sufered problems when idleing... It was the injectors.
Have you ever had them resistance tested? You may want to take that into the shop and do that.
The age of our rides, the insulation breakes down.
Good luck!
Have you ever had them resistance tested? You may want to take that into the shop and do that.
The age of our rides, the insulation breakes down.
Good luck!
