Codes P1273 & P1283
#1
Codes P1273 & P1283
Recently I got a check engine light and got it scanned and got the codes P1273 & P1283. I understand it has something to do with the o2 sensors but I want to clarify. Could this just be because I'm running extremely lean? I recently put on a TopSpeed True Dual. Could that have leaned it out do much to cause a CEL?
My car:
2004 5at
68,xxx miles
Oil just changed, all other fluids checked
MD 5/16 spacer, aem cai, Headers, berk test pipes, and the true dual exhaust. ( test pipes have been on since April and never gave me a CEL until this exhaust was put on. )
I plan to have the car dyno tuned in February
So..
1. Will this cause a problem between now and my tune?
2. What could be done to fix this?
Any help is appreciated!
My car:
2004 5at
68,xxx miles
Oil just changed, all other fluids checked
MD 5/16 spacer, aem cai, Headers, berk test pipes, and the true dual exhaust. ( test pipes have been on since April and never gave me a CEL until this exhaust was put on. )
I plan to have the car dyno tuned in February
So..
1. Will this cause a problem between now and my tune?
2. What could be done to fix this?
Any help is appreciated!
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#9
Vacuum leak could be the culprit yes.
However some HFCs do throw cels after a while. How long have you had them on the car? Over time the cat goes bad and one way you can tell is if you have it off the car, shake the cat back and forth pretty hard... The cat inside shouldn't be moving or anything at all.
However some HFCs do throw cels after a while. How long have you had them on the car? Over time the cat goes bad and one way you can tell is if you have it off the car, shake the cat back and forth pretty hard... The cat inside shouldn't be moving or anything at all.
#10
Registered User
iTrader: (2)
Vacuum leak could be the culprit yes.
However some HFCs do throw cels after a while. How long have you had them on the car? Over time the cat goes bad and one way you can tell is if you have it off the car, shake the cat back and forth pretty hard... The cat inside shouldn't be moving or anything at all.
However some HFCs do throw cels after a while. How long have you had them on the car? Over time the cat goes bad and one way you can tell is if you have it off the car, shake the cat back and forth pretty hard... The cat inside shouldn't be moving or anything at all.
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