SES codes
06-07-2008, 04:48 PM
#1
TECH Apprentice
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SES codes My LT's have been on for about 1,000 miles, and 10 months now. And the check engine light came on for the first time the other day. I got a tech 2 and they are PO135 HO2S bank 1 sensor 1 (there may have been more)
and the 2nd one is P0430 Cat low eff.
Are both of these due to my cats being more highflow than stock?
When the light first came on it was idling, and I notcied it started to idle alittle rough, the light kicked on and the cars ran fine since.
and the 2nd one is P0430 Cat low eff.
Are both of these due to my cats being more highflow than stock?
When the light first came on it was idling, and I notcied it started to idle alittle rough, the light kicked on and the cars ran fine since.
06-08-2008, 01:36 AM
#3
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Your front o2 sensor on the drivers side is bad. When your computer isn't getting feeback from the o2 sensor it runs on a fixed air/fuel ratio that is RICH, causing the car to run rougher than usual.