 Check Engine Light Came On Again, Code P0420 |
 May 27, 2006 - 2:00 PM
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 Enthusiast  Joined Jan 28, '05 From Redondo Beach, CA Currently Offline Reputation: 86 (100%)  |
I got a new code after i got the header on, P0420, catalyst effieciency below threshold...so either the O2 sensors are bad or not tight enough?
This post has been edited by LewFX: May 27, 2006 - 2:53 PM --------------------  |
Posts in this topic
LewFX Check Engine Light Came On Again May 27, 2006 - 2:00 PM
Batman722 try reseting the ECU and seeing if it comes back a... May 27, 2006 - 11:54 PM LewFX first i tried resetting the ecu and it came back a... May 28, 2006 - 12:14 AM presure2 make sure the plug is securly connected May 29, 2006 - 6:40 AM toyotacrazy Do you have a catalytic convertor? If so its prob... May 29, 2006 - 6:53 AM
presure2 QUOTE(toyotacrazy @ May 29, 2006 - 7... May 29, 2006 - 6:55 AM LewFX still no problems with it yet, as soon as the ligh... May 29, 2006 - 12:44 PM bindertch If it does come back on you should think about mov... May 29, 2006 - 9:40 PM LewFX well today the CEL came on again, what to do now..... Jun 1, 2006 - 7:56 PM Bitter some 3rd gen eclipse folk have had luck using a sp... Jun 1, 2006 - 8:14 PM LewFX the guy who sells the header told me that it was s... Jun 1, 2006 - 9:49 PM Bitter ok, does your car have a black plastic thing near ... Jun 1, 2006 - 9:58 PM LewFX diagnostic Jun 1, 2006 - 10:40 PM Bitter QUOTE(LewFX @ Jun 1, 2006 - 10:40 PM... Jun 3, 2006 - 2:56 AM LewFX bump Jun 2, 2006 - 9:10 PM LewFX possible probs are:
1) three-way catalytic coverte... Jun 3, 2006 - 11:20 PM bindertch The problem is that the second O2 sensor is supose... Jun 5, 2006 - 6:40 PM LewFX ya i kept everything when i get it smogged. so the... Jun 5, 2006 - 8:05 PM LewFX well bought a new O2 sensor and reset the ecu, hop... Jun 5, 2006 - 10:01 PM toyotatech QUOTE(LewFX @ Jun 5, 2006 - 10:01 PM... Jun 6, 2006 - 9:03 AM bindertch QUOTE(LewFX @ Jun 6, 2006 - 1:05 AM)... Jun 6, 2006 - 2:10 PM Bitter try getting a universal cat thats meant for a larg... Jun 6, 2006 - 2:59 PM LewFX well since i know the guy who does the smog, ill t... Jun 6, 2006 - 7:59 PM LewFX well what do you know, it came on again, what a su... Jun 9, 2006 - 8:18 PM LewFX should i cut the bottom sensor and jimmy it to the... Jun 11, 2006 - 8:08 AM Bitter no, dont do that. extend the sensor and have it... Jun 11, 2006 - 6:17 PM Bitter http://www.club3g.com/forum/showthread.php?t=55284... Jun 11, 2006 - 8:08 PM LewFX ill try that. Jun 11, 2006 - 8:19 PM LewFX k bought some anti-seize, the 2 foulers, drilled i... Jun 11, 2006 - 10:01 PM LewFX okay i got the fix done today, lets hope this fixe... Jun 12, 2006 - 6:30 PM Bitter cool, keep us updated as to wether or not it works Jun 12, 2006 - 6:46 PM  |
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