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Old 01-07-2011, 12:50 PM
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Originally Posted by johnhawes
Hi, I have a 1941 Ford with a 1990 Ford 302 EFI engine, C-4 transmission, and a 8" rear end. My question is what to do about the trouble codes created by not having all of the emission components working properly. For example there is no smog pump, catalytic converter, or charcoal canister. Is there some way that the system can be modified to operate without these items and still clear all of the trouble codes? The KOEO test shows no faults, it with the KOER test that they start to show up.
Any help or advice will be greatly appreciated.
John Hawes
Put a piece of black tape over the "service engine" light.
They are just diagnostic codes stored in the computer.
As long as it will run in closed loop operation (O2 sensor, temp sensor TPS etc ) who cares.
If it goes into a limp home mode because of a missing/disabled sensor then you have a issue.
There is no law that says you cannot run functional cats on your '41 and do your part for the environment.
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