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8 fault codes in my car, needs you help, Thanks


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samuel55
New User

May 23, 2014, 10:07 AM

Post #1 of 3 (1122 views)
8 fault codes in my car, needs you help, Thanks Sign In

Year of vehicle 2001
Make of vehicle Hyundai
Model of vehicle elantra
Engine size 2.0
Mileage/Kilometers 99000

Hi all,
I got a TCS light on, so I red the fault codes and I found 8 fault codes:

P0101 mass or volume air flow A circuit range performance
P0201 injector circuit malfunction cylinder 1
P0301 cylinder 1 misfire detected
P0123 throttle/pedal position sensor A circuit high
P0223 throttle/pedal position sensor B circuit high
P2270 O2 sensor signal stuck lean fuel pump primary circuit electrical malfunction
P0423 heated catalyst efficiency below threshold (bank1)
P3200 data bus powertrain missing message from central electronic control (VAG) ons-bank3 sensor 1 , heater circuit short circuit to Ground (GND)

FF triggering DTC :P0301 cylinder 1 misfire detected.

Could you please help me to identify the major problems and things to fix? especially for the cylinder 1 misfiring (I already change the spark plugs but no effect in the misfiring)

Thank you very much for your help
Samuel


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 23, 2014, 12:10 PM

Post #2 of 3 (1096 views)
Re: 8 fault codes in my car, needs you help, Thanks Sign In

I find it hard to believe those are all real codes. I would suspect someone was unplugging some things while the key was on. I would try clearing those codes and then run the engine to see which ones come back.

As far as the misfire codes, it appears there is an issue with the injector circuit on that cylinder. See if that code come back and then test for injector pulse in that injector if it does.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



samuel55
New User

May 23, 2014, 1:16 PM

Post #3 of 3 (1091 views)
Re: 8 fault codes in my car, needs you help, Thanks Sign In

Thank you Hammer Time for this response. I will do what you advised and I will let you know.

Thanks






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