I got the code, but no back fire, but definitely loss of acceleration. Do I need to replace it?
2026-08-02 22:03:58
0
sorete97 :
i use cataclean every 6 months seems to work pretty good
2025-08-01 20:49:32
79
RoRoTn :
I have 2021 Hyundai Tucson. Ive had the p420 code for almost 1.5 years and its still driving great. The check engine light has twice went off for days then to randomly comes back on. What would that indicate? I really dont think its my catalytic converter.
2025-08-01 16:57:51
1
Hidden Gems 💎 :
I have straight pipes, problem solved 🙂↔️
2025-07-31 22:23:21
198
micha.chingona :
I got the code, but no backfire and no loss of acceleration (yet), but terrible sulfur smell in my car 🥲
2025-09-23 20:50:11
47
يحيئ :
I got that code, but no backfire. It jolts sometimes on idle tho. Any fix?
2025-08-10 08:39:46
10
Captain red beard :
just cut it off and weld in a pipe
2025-08-01 12:02:02
16
shanestierwalt775 :
how to unclog
2025-08-01 16:34:03
3
Voilur :
would it be sputtering? or just have a hard time climbing in speed
2025-08-16 23:37:58
0
Rebecca🌵 :
My car is at 179,789. The car has a hard time going past 20mph and gets stuck until I pump the gas multiple times. It also shakes pretty hard and looses power. There is no backfire or strong smell though.
2025-09-27 00:54:33
1
TheGuyJose :
I had that code at 90k miles on my 13 accord. Dove like that until 170k miles lmao
2025-08-01 02:12:54
49
d3r3k(lxft) :
What about when you’re driving and you’re car just turns off but the electrical stays on and you have to start the car again
2025-08-21 08:58:51
20
Shaxx :
no cats, no problem!😂
2025-07-31 17:29:21
193
bighonky12 :
I put high flow cats on my 5.3 chevy and now i cant get the engine light to go off. It says post cat bank too rich
2025-08-01 15:16:24
11
Tourguide :
Yup my nissian is doing this right now changed the oxygen sensor 5 days later this exact same code came back on
2025-08-07 19:54:35
5
V. Mcclement :
Going through that with my 2021 Jeep Grand Charakee 🙄
2025-07-30 22:26:35
0
Ismael Perez :
Yeap Honda accord 2016
2025-07-31 02:42:15
7
Krissy :
it also smells like rotten eggs. Found that out on my last car
2025-09-12 10:56:03
21
Lisa Sexton :
2016 Volkswagen Passat epc light on and couple times engine light what causes that?
2025-08-01 10:12:31
10
deeb11433 :
had code
2025-08-01 01:29:03
3
PrinceMoy915 :
I have a catless down pipe / problem solved 😉
2025-08-31 07:55:02
4
Felix :
can the clogged cat cause a rich condition?
2025-09-25 18:52:28
1
️ :
i have all these symptoms but still go 130 am i cooked
2025-10-03 03:26:42
2
zoë :
on my kia, I have a P0036 code. O² sensor and not accelerating past 60mph.
2025-09-24 07:52:31
0
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