question about a problem with my 5AT
11-18-2005, 09:43 PM
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question about a problem with my 5AT
hey guys today i got my car and took it out to go to the hangouts as i do. im driving on the freeway and suddengly i decide to step on it as i do im in the middle of the run as i notice a light goes on i let go and its the service engine soon light i was like great what now i was driving it in full AT mode which i never do anyways my revs start to move up and down as i switch from full AT to manual mode i had install my test pipes like two weeks ago but nothing happened when i got them installed it was running great what do you guys think it is NEED HELP REALLY BAD PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Last edited by Fairlady_z33; 11-18-2005 at 10:16 PM.
11-19-2005, 05:49 AM
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Originally Posted by Fairlady_z33
hey guys today i got my car and took it out to go to the hangouts as i do. im driving on the freeway and suddengly i decide to step on it as i do im in the middle of the run as i notice a light goes on i let go and its the service engine soon light i was like great what now i was driving it in full AT mode which i never do anyways my revs start to move up and down as i switch from full AT to manual mode i had install my test pipes like two weeks ago but nothing happened when i got them installed it was running great what do you guys think it is NEED HELP REALLY BAD PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
11-19-2005, 07:09 AM
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Ok thanks and about the lights do u think is the test pipes i got them installed at least 2 week to 3 weeks ago do u think that might be the issue with them.
11-19-2005, 07:20 AM
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Some people do have probs with tests and lights. Just buy and install some spark plug non-foulers. You will have to drill out the hole in them and that should fix your problem. I can't remember the hole size. Do a search on here for the non-fouler and you will find the post.
11-19-2005, 07:56 AM
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I got them but the thing is that when i took it to the guy the idiot didnt install them and he said it would be ok now i have to install them ill see what i do. I took it out already the codes where P0 420 two of them and then a P0430 it said Catalyst efficency threshold bank 1 for P0420 and bank 2 for P0430. Is that what does code mean.
11-19-2005, 08:21 PM
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Originally Posted by Fairlady_z33
I got them but the thing is that when i took it to the guy the idiot didnt install them and he said it would be ok now i have to install them ill see what i do. I took it out already the codes where P0 420 two of them and then a P0430 it said Catalyst efficency threshold bank 1 for P0420 and bank 2 for P0430. Is that what does code mean.
P0420 = THREE WAY CATALYST SYS - BANK 1
P0430 = THREE WAY CATALYST SYS - BANK 2
DTC P0420, P0430 THREE WAY CATALYST FUNCTION
The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2 (or heated oxygen sensors 1 and 2 for 2003 & early 2004 engines).
A three way catalyst 1 with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase.
When the frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2 (or heated oxygen sensors 1 and 2) approaches a specified limit value, the three way catalyst 1 malfunction is diagnosed.
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