Joe C Posted August 23, 2006 Share Posted August 23, 2006 Just like the topic says. I have a CEL and I don't know how to figure out what it is... I'm hoping the OBDII scanner isn't the only way. Also, is there a way to re-set the ECU? I imagine it's just by unplugging the battery for 5 minutes, but if there is another way to do it I'd appreciate it. Quote Link to comment Share on other sites More sharing options...
new big400 Posted August 24, 2006 Share Posted August 24, 2006 Just like the topic says. I have a CEL and I don't know how to figure out what it is... I'm hoping the OBDII scanner isn't the only way. Also, is there a way to re-set the ECU? I imagine it's just by unplugging the battery for 5 minutes, but if there is another way to do it I'd appreciate it. Dont reset your ecu or youll lose the cel code.Most dealers will do them free of charge.Autozone will scan for free but you have to get the code because theyre interpretation of the codes seem to always be off. Quote Link to comment Share on other sites More sharing options...
SKperformance Posted August 24, 2006 Share Posted August 24, 2006 Most parts store do the scan for free. Or Buy a obd2 scanner from ebay for cheap. Quote Link to comment Share on other sites More sharing options...
Joe C Posted August 28, 2006 Author Share Posted August 28, 2006 I'm intentionally trying to get rid of the CEL. I know it's nothing because I just had it checked out. Quote Link to comment Share on other sites More sharing options...
SKperformance Posted August 28, 2006 Share Posted August 28, 2006 Just for kicks what code is it giving you? Computers don;t give you codes for no reason ,it is usually attributed to something . Either it is a repair you do not want to make or a modification which causes the light Quote Link to comment Share on other sites More sharing options...
Joe C Posted August 30, 2006 Author Share Posted August 30, 2006 I got the following: P0441: Purge flow in the evap emission control system is incorrect P0446: A maulfunction exists in the electrical circuit for the vent control in the evap emission control system P0430: Catalyst system efficiency for bank 2 is below threshold for the current engine operating conditions. The last one means I need to replace my cat I imagine, and I'm guessing that the other two go hand in hand. Can anyone correct/agree with me? Quote Link to comment Share on other sites More sharing options...
SKperformance Posted August 31, 2006 Share Posted August 31, 2006 I would start by replacing your gas cap they are cheap. You have a vacum leakin your gas system which is goin to make you loose gas. Quote Link to comment Share on other sites More sharing options...
Joe C Posted August 31, 2006 Author Share Posted August 31, 2006 I would start by replacing your gas cap they are cheap. You have a vacum leakin your gas system which is goin to make you loose gas. Alright.... I typically get about 100miles to a 1/4 tank and average around 23mpg or so (highway) so would that be a little bit off? Thanks again SK, i appreciate it. Quote Link to comment Share on other sites More sharing options...
GuyTelefunken Posted September 1, 2006 Share Posted September 1, 2006 I got the following: P0441: Purge flow in the evap emission control system is incorrect P0446: A maulfunction exists in the electrical circuit for the vent control in the evap emission control system P0430: Catalyst system efficiency for bank 2 is below threshold for the current engine operating conditions. The last one means I need to replace my cat I imagine, and I'm guessing that the other two go hand in hand. Can anyone correct/agree with me? P0441 and P0446 do go hand in hand. The diagnsostic charts are below. P0430 can be a sign of a bad cat. Sometimes an O2 sensor and/or circuit is the problem. You need an OBDII compliant scantool to look at the oxygen sensor signals. P0441_P0446.pdf P0430.pdf Quote Link to comment Share on other sites More sharing options...
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