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2002 civic monitors


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dr.donut
User

Oct 22, 2018, 7:38 AM

Post #1 of 8 (272 views)
2002 civic monitors Sign In

Having trouble with these monitors , I had a code p1457 " no dtc definition found , pending " and 4 monitors , catalyst , evap. system , oxygen sensor and oxygen heater , they come and go but I need to get the sticker this month . I find it strange that when I read the codes the p1457 came up but didn't light the cel , and when I read that code I checked the monitors and there was only the evap , then I started the car , shut it off and cleared the one code , then checked the monitors and the other three came up . If I can get advice on where to start that would be great , thanks .


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 22, 2018, 7:50 AM

Post #2 of 8 (270 views)
Re: 2002 civic monitors Sign In

That's because clearing codes resets monitors and they all have to start over so you have to fix issues first.

That code is for a leak in the EVAP system so you need to smoke test it to find the leak.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



dr.donut
User

Oct 22, 2018, 7:55 AM

Post #3 of 8 (266 views)
Re: 2002 civic monitors Sign In

and of course the code would result in failed test even though the cel didn't light up , ok thanks


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 22, 2018, 8:19 AM

Post #4 of 8 (261 views)
Re: 2002 civic monitors Sign In

I think it would put the light on eventually. It may be a 2 trip code and you are only seeing a pending code.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Oct 22, 2018, 8:20 AM)


dr.donut
User

Oct 22, 2018, 10:38 AM

Post #5 of 8 (249 views)
Re: 2002 civic monitors Sign In

yeah , the confirmed usually goes with it , just trying to understand the monitors , we'll get it straightened out at some point


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 22, 2018, 11:21 AM

Post #6 of 8 (243 views)
Re: 2002 civic monitors Sign In

Setting a monitor means that the car has been driven through all the test situations that would trigger a code and none have triggered. Each monitor has different drive cycles that the car has to go through to reset that particular monitor.

When you clear a code or disconnect a battery you make all of them start over and they will have to complete a drive cycle before being set again..



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



dr.donut
User

Oct 23, 2018, 1:36 PM

Post #7 of 8 (215 views)
Re: 2002 civic monitors Sign In

took the honda for a ride and the monitors cleared except for one , you're allowed one , no codes came up so I got to the garage asap , we're all legal now , evap codes come up once in a while on the other cars too , you'd think if it was a real problem they would come up periodically but they don't , the guy at work got his inspection with busted windshield , cel on and cracked lens good for him eh. ?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 23, 2018, 1:59 PM

Post #8 of 8 (212 views)
Re: 2002 civic monitors Sign In

Contrary to popular belief, EVAP codes can be permanently fixed. You just have to smoke test the system t find the leak. The most common sources of leaks are the gas cap or the vent valve but any of the rubber hoses can leak also.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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