check engine light on after getting gas
#1
06-17-2011, 02:11 PM
check engine light on after getting gas
I have 1996 mitsubishi montero ls 4x4.The check engine light came on after getting gas for no reason.The gas was the same and no quality issues.I tightned the cap properly and reset the light so after reseting the light doesn't come on after the first time you start the car and leave it on no matter how long,then when you turn the car off and start it the second time,it comes on after 5 sec.
But i don't think there are any problems in car and it runs the same.
But i don't think there are any problems in car and it runs the same.
#2
06-17-2011, 04:21 PM
How did you reset the light? With a scan tool? If so then you need to tell us what error codes are showing.
If you didn't use and don't have a scanner then go to any major autor parts shop (Pep Boys, AutoZone, etc) and have the error code(s) read (should be for free) and post them here
Without the codes there's no way anyone can help or advise you.
This is no subsittute for having the codes read but you might also check the rubber seal around the gas cap to make sure it's not broken or not sealing completely. That could cause the symptoms you are reporting. But get those codes read regardless.
Ron
If you didn't use and don't have a scanner then go to any major autor parts shop (Pep Boys, AutoZone, etc) and have the error code(s) read (should be for free) and post them here
Without the codes there's no way anyone can help or advise you.
This is no subsittute for having the codes read but you might also check the rubber seal around the gas cap to make sure it's not broken or not sealing completely. That could cause the symptoms you are reporting. But get those codes read regardless.
Ron
#3
06-17-2011, 08:47 PM
How did you reset the light? With a scan tool? If so then you need to tell us what error codes are showing.
If you didn't use and don't have a scanner then go to any major autor parts shop (Pep Boys, AutoZone, etc) and have the error code(s) read (should be for free) and post them here
Without the codes there's no way anyone can help or advise you.
This is no subsittute for having the codes read but you might also check the rubber seal around the gas cap to make sure it's not broken or not sealing completely. That could cause the symptoms you are reporting. But get those codes read regardless.
Ron
If you didn't use and don't have a scanner then go to any major autor parts shop (Pep Boys, AutoZone, etc) and have the error code(s) read (should be for free) and post them here
Without the codes there's no way anyone can help or advise you.
This is no subsittute for having the codes read but you might also check the rubber seal around the gas cap to make sure it's not broken or not sealing completely. That could cause the symptoms you are reporting. But get those codes read regardless.
Ron
#4
06-17-2011, 10:16 PM
Sorry, but without the error codes there is no good way to guess what is causing the light to come on.
Resetting the light by disconnecting the battery just drains the memory of the OBDII (On-Board Diagnostics) computer. It does not repair the cause of the problem. Once you reconnect the battery and start driving, the OBD computer soon notices the same problem and turns the light back on. At the same time it ALSO stores an error code that will tell you which part or problem is causing the light to come on.
As I said, most parts stores and shops now offer to read the error codes for free. There is no need to go to your mechanic just yet. Find a store that checks error codes for free, go get them read and post them on this forum. Then you will get some good free advice about fixing the cause. If it turns out to be something that requires a mechanic to fix then you can always take it in for service.
So let us know what error codes you have.
Ron
Resetting the light by disconnecting the battery just drains the memory of the OBDII (On-Board Diagnostics) computer. It does not repair the cause of the problem. Once you reconnect the battery and start driving, the OBD computer soon notices the same problem and turns the light back on. At the same time it ALSO stores an error code that will tell you which part or problem is causing the light to come on.
As I said, most parts stores and shops now offer to read the error codes for free. There is no need to go to your mechanic just yet. Find a store that checks error codes for free, go get them read and post them on this forum. Then you will get some good free advice about fixing the cause. If it turns out to be something that requires a mechanic to fix then you can always take it in for service.
So let us know what error codes you have.
Ron
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