Will emission light go out by itself?

A

andysat

Lifer
Hi all, I have put some Cataclean in my tank today and the Emission light came on soon afterwards, if the zed senses the cat is running cleaner over time days/weeks would the emission light go off?-or is it once its on its on for good until turned off by a code reader?-I have read on here that the light on other zeds has gone off by itself or is this because of another problem?-I read the code as soon as I got home -the usual P0420-thanks
 
Swiftly said:
I think it should reset itself after a period of time Andy it if doesn't detect the same error again
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Thanks mate-I have been trying to find out what a complete drive cycle is for these cars?
 
The last time it came on I drove around with it on for around 150 miles-I had to turn it off with my reader that was without cleaning it though :cry:
That's why I have not erased it yet -I am hoping it will 'see' its cleaner. :roll:
 
Nondizzyblonde said:
Sorry, I can't remember, but a good hard drive down an A road seemed to do it.
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I would do the same -but I read somewhere not to thrash the engine with a warning light on?
 
andysat said:
andysat said:
Nondizzyblonde said:
Sorry, I can't remember, but a good hard drive down an A road seemed to do it.
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I would do the same -but I read somewhere not to thrash the engine with a warning light on?
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Anyone know if I am right/wrong on this?
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Ask JohnnyEssex, his came up on last years Kent cruise... :driving:
 
andysat said:
Can anyone remember roughly after how many miles theirs went out? -thanks
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It's not done on miles, it's done on so many (10 IIRC) cycles of driving where it doesn't detect the fault. Therefore if you're only doing short journeys in gears 1-4 it means that you aren't completing a cycle.

Just delete the code Andy with your D900 reader and stop fretting otherwise you'll be a candidate for an early grave!
 
Lillywhite said:
andysat said:
Can anyone remember roughly after how many miles theirs went out? -thanks
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It's not done on miles, it's done on so many (10 IIRC) cycles of driving where it doesn't detect the fault. Therefore if you're only doing short journeys in gears 1-4 it means that you aren't completing a cycle.

Just delete the code Andy with your D900 reader and stop fretting otherwise you'll be a candidate for an early grave!
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Yeah I know-its just that going to work week in week out then as soon as I go out for a decent run it comes on :headbang:
 
Lillywhite said:
andysat said:
Can anyone remember roughly after how many miles theirs went out? -thanks
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It's not done on miles, it's done on so many (10 IIRC) cycles of driving where it doesn't detect the fault. Therefore if you're only doing short journeys in gears 1-4 it means that you aren't completing a cycle.

Just delete the code Andy with your D900 reader and stop fretting otherwise you'll be a candidate for an early grave!
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So by that reckoning it would take ten weeks to go out by itself?
 
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