s***a 发帖数: 299 | 1 2004 Sable 'U' engine 12v. got code P0430. I have replaced gas cap, down
stream O2 sensor. (idle is a little bit rough when engine is hot), MPG is 20
-22, so I think upstream O2 sensor is fine. Anyone has similar experience ?
thanks |
y*****x 发帖数: 3291 | 2 check vacuum leak,
if no leak, then check the cat, |
r***o 发帖数: 3058 | |
s***a 发帖数: 299 | 4 You mean bank 2 catalytic converter ? I watched outside, not big leak is
seen.
【在 r***o 的大作中提到】 : 查查排气管吧。。。
|
s***a 发帖数: 299 | 5 can u tell me the full name of the vacume part ?
It was a lease car,most parts under the hood look have been replaced, looks
shiney.
Are there any way to check the catalytic converter except watch with eyes ?
Thanks
【在 y*****x 的大作中提到】 : check vacuum leak, : if no leak, then check the cat,
|
T**J 发帖数: 3340 | 6 O2
20
?
【在 s***a 的大作中提到】 : 2004 Sable 'U' engine 12v. got code P0430. I have replaced gas cap, down : stream O2 sensor. (idle is a little bit rough when engine is hot), MPG is 20 : -22, so I think upstream O2 sensor is fine. Anyone has similar experience ? : thanks
|
T**J 发帖数: 3340 | 7 咋查?
【在 r***o 的大作中提到】 : 查查排气管吧。。。
|
T**J 发帖数: 3340 | 8 可能不大
【在 y*****x 的大作中提到】 : check vacuum leak, : if no leak, then check the cat,
|
T**J 发帖数: 3340 | 9 小小概率事件
【在 s***a 的大作中提到】 : You mean bank 2 catalytic converter ? I watched outside, not big leak is : seen.
|
T**J 发帖数: 3340 | 10 ft
looks
【在 s***a 的大作中提到】 : can u tell me the full name of the vacume part ? : It was a lease car,most parts under the hood look have been replaced, looks : shiney. : Are there any way to check the catalytic converter except watch with eyes ? : Thanks
|
l**********l 发帖数: 4468 | 11 查cat以前排气部分有没有泄漏,直接看就看得出来,先看header gasket然后看中间部
分。 |