Dreaded P0442, P0455 on '02 TJ Sport
 

Okay, so warranty expired a few months back
and now I start getting the dreaded P0442 and
P0455 MIL errors (small and large leaks in the
evap emissions system). I have reset the
computer several times and they keep coming
back - no other errors though.

So I want to start by replacing the gas cap as
some have suggested elsewhere. Local dealership
(the only one for 150 miles in any direction) wants
$20 and they would have to order it! Is there
anywhere online I can get a factory gas cap for
a reasonable price?

What other things should I be checking related
to these codes?

Any ideas greatly appreciated . . . JELo

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

Have you checked to see what the emission control warranty covers? I
think that warranty is longer than the vehicle warranty. You may still
be covered for this system.

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

Have you checked to see what the emission control warranty covers? I
think that warranty is longer than the vehicle warranty. You may still
be covered for this system.

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

Have you checked to see what the emission control warranty covers? I
think that warranty is longer than the vehicle warranty. You may still
be covered for this system.

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

Have you checked to see what the emission control warranty covers? I
think that warranty is longer than the vehicle warranty. You may still
be covered for this system.

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

When I had those same codes last Fall, I traced all the evap lines from
the tank to the canister and found a short piece of hose had split
right at the purge solenoid. Replacing it cleared my codes shortly
after for only $2.

--
K.Campbell
'01 TJ
www.route19.com/jeep/

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

When I had those same codes last Fall, I traced all the evap lines from
the tank to the canister and found a short piece of hose had split
right at the purge solenoid. Replacing it cleared my codes shortly
after for only $2.

--
K.Campbell
'01 TJ
www.route19.com/jeep/

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

When I had those same codes last Fall, I traced all the evap lines from
the tank to the canister and found a short piece of hose had split
right at the purge solenoid. Replacing it cleared my codes shortly
after for only $2.

--
K.Campbell
'01 TJ
www.route19.com/jeep/

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

When I had those same codes last Fall, I traced all the evap lines from
the tank to the canister and found a short piece of hose had split
right at the purge solenoid. Replacing it cleared my codes shortly
after for only $2.

--
K.Campbell
'01 TJ
www.route19.com/jeep/

Re: Dreaded P0442, P0455 on '02 TJ Sport
 

> Have you checked to see what the emission control warranty covers? I
> think that warranty is longer than the vehicle warranty. You may still
> be covered for this system.

Good question, hadn't thought of that.
I have heard there are differences, I'll
have to see what I can find. Thanks, JELo



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