Having problems with your 1994 Cadillac DeVille ?
I have a 94 cadillac seville sts, end I have a
\015 I have a 94 cadillac seville sts, end I have a problem on it, the service engine light is on and mark like 6 codes, end the car runs good, wath is te problem?\015
First thing you have to do is list all the codes, because some some might be stored for a long time. Pushing the OFF and WARM buttons together and holding will ghive you all the stored codes. Then press OFF and HI together to clear all codes. Hold and wait for bars or 0's. Now start your car and let it get up to proper operating temps. Take car for aride that aincludes all phases of driving including highway speeds. Observe SERVICE ENGINE LIGHT for coming on . Assuming it does , repeat steps previously provided, read codes stored and repair accordingly. If need be contact me with new codes and I will try to assist you.
Repair Help & Product Troubleshooting for 1994 Cadillac DeVille
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.