CEL After Failed COSTCO fill + OBD II Scan
In the past, the CEL came on maybe twice, and we fooled w/ gas cap and within a day, light went off. Looks like it wants to stay on tho not blinking. It came on after COSTCO pumps were under too m...
Forum Discussion
Not sure of the HF unit but I purchased mine around 100 dollars. You can remove battery for an hour or if it's GM try turning on key to on, not start,
pump accelerator three times to floor slowly then turn key off and remove from lock. Wait a few minutes then restart and check. This will remove annoying service
reminders and has removed CEL on my diesel pick-up.
Sometimes CEL needs to run through cycles. Maybe 4 or 5. A cycle is normal use like running errands. The computer needs to reset and then all should be fine.
You may just have a bad fuel cap. Remove and replace a few times.
A meter is the best way to go. Once you have the code you can look it up online and see the problem. Everyone should have one to keep the repairman honest.
If you can plug in a printer, you can plug in a code checker. They also have nice features to read as you are driving. I found my sweet spot for fuel economy
driving my rig from Minn to Cal after I purchased it and overall just a handy tool to own.
pump accelerator three times to floor slowly then turn key off and remove from lock. Wait a few minutes then restart and check. This will remove annoying service
reminders and has removed CEL on my diesel pick-up.
Sometimes CEL needs to run through cycles. Maybe 4 or 5. A cycle is normal use like running errands. The computer needs to reset and then all should be fine.
You may just have a bad fuel cap. Remove and replace a few times.
A meter is the best way to go. Once you have the code you can look it up online and see the problem. Everyone should have one to keep the repairman honest.
If you can plug in a printer, you can plug in a code checker. They also have nice features to read as you are driving. I found my sweet spot for fuel economy
driving my rig from Minn to Cal after I purchased it and overall just a handy tool to own.
