Code 33
Has anyone experienced code 33 problems. If so what did you find wrong or what did you do.
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What year? The year is important since they made changes over the years.Any mods done?When does it come on?any driveability problems?
:) |
This info will help you if it is 86-89. http://members.shaw.ca/corvette86/Code%2033.pdf
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Yep, gotta know the year-for instance, the 1984 used MAP, 1985-1990 used MAF. On an 84, you would probably want to check for vacumn leaks first. On a 1985-1990 it COULD be one of the three relays, power, or burnoff most likely-and if this is the case both relays should be replaced at the same time.I stated 3 relays because-the MAF gets its voltage through control of the FP relay-per HELMS! but, if you hear the FP relay running for a few seconds after turning the key to the on position-you can ALMOST eliminate it. Very important if you're going to work on your on vette to get the Helms manuals.
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Lotta info in the archives on this one...
http://forums.corvetteforum.com/show...de&forum_id=48 http://forums.corvetteforum.com/show...de&forum_id=48 http://forums.corvetteforum.com/show...m_id=48&arch=1 http://forums.corvetteforum.com/show...m_id=48&arch=1 http://forums.corvetteforum.com/show...m_id=48&arch=1 Mike |
Originally Posted by Bill's86Coupe
What year? The year is important since they made changes over the years.Any mods done?When does it come on?any driveability problems?
:) |
Originally Posted by AGENT 86
This info will help you if it is 86-89. http://members.shaw.ca/corvette86/Code%2033.pdf
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Originally Posted by luvmy92
Lotta info in the archives on this one...
http://forums.corvetteforum.com/show...de&forum_id=48 http://forums.corvetteforum.com/show...de&forum_id=48 http://forums.corvetteforum.com/show...m_id=48&arch=1 http://forums.corvetteforum.com/show...m_id=48&arch=1 http://forums.corvetteforum.com/show...m_id=48&arch=1 Mike |
Originally Posted by DVS 99
I have an 88. Has an 383 stroker with AFR heads and tpis camshaft, miniram and headers also has level 6 program. But i had this problem before I installed new motor. Comes on about 1-2 miles after leaving the house, and begins to run bad.
If the minimum air to TPS setting is off on the larger TB,or new engine with mods,etc,it will throw a code 33 and run poorly.This happened when I tried a larger TB once before and had to figure out why it kept doing that.Im not saying this is your problem,but if you cannot get it figured out,try putting ths stock TB back on and set the minimum air and TPS and see what happens then. A code 33 is also an unrealistic flow of air into the engine that the computer is seeing due to incorrectly adjusted minimum air speed/TPS. Good Luck! :) |
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