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Car is running good but MIL came on. Scan says P200A, MIL
Car is running good but MIL came on. Scan says P200A, MIL on, Monitors, O INC, 8 Ready, Misfire, Fuel, Comp, Catalyst. I put premium gas by mistake could that have triggered it?… read more
Amedee
Amedee
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Vocational, Technical or Trade Scho
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I hope you can help me. I'm getting confusing instructions
I hope you can help me. I'm getting confusing instructions for completing a series of drive cycles for my 2010 hyundai sonata 2.4L.I'm trying to get my SMOG done, it didn't pass. I was told to make su… read more
rpmdiag
rpmdiag
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Got a 2010 hyundai sonata gls 4 cylinder, trying to get
Hi got a 2010 hyundai sonata gls 4 cylinder, trying to get monitors to set after replacing battery , everything was set quickly except EGR and evap, i need egr to be complete to smog it, any idea wher… read more
Dan
Dan
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My 06 4cyl has no pick-up. Replaced the cat, o2 sensors, but
My 06 4cyl has no pick-up. Replaced the cat, o2 sensors, but no change. Terrible mpg also. Should I replace the maf next? … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
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It shows OBDII MONITORS NOT READY, 2009 GENESIS, I have only
It had 81209 miles and everything checks except the OBDII MONITOR… read more
davehop
davehop
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2010 Hyundai sonata has hard code p0456, have not seen this
2010 Hyundai sonata has hard code p0456, have not seen this as hard code. meaning clear code it immediately returns. what could it be… read more
camerontech
camerontech
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Driving at 55 or 60, the engine would intermittently fail to
Driving at 55 or 60, the engine would intermittently fail to rev up when I depressed the accelerator to speed up or climb a hill. Even if I shifted to neutral and pressed the accelerator it would not … read more
Cary York
Cary York
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2001 hyundai sonata v-6 emissions test failed after positive
2001 hyundai sonata v-6 emissions test failed after positive connection remove ed egr not read and I tested obd2 , heat catalyst not supported, 2nd air system not supported, a/c system not supported a… read more
Ron Z.
Ron Z.
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I own a 2008 Hyundai Santa Fe. California says it has to be
I own a 2008 Hyundai Santa Fe. California says it has to be smogged to register. The check engine light has been on for a year. Didn't pass smog because of that. Took it to a diagnostic place and they… read more
Ron Z.
Ron Z.
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Hyundai Sonata: hi my names Brian I have a 2005 Hyundai Sonata
hi my names Brian I have a 2005 Hyundai Sonata 2.4-liter voice soon though I change the timing belt running fine before now the car starts up and runs for 30 seconds shut down and will not restart unt… read more
Chris (aka- Moose)
Chris (aka- Moose)
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Hyundai Sonata GL: 2003 Hyundai Sonata 2.4 Stars and dies in
2003 Hyundai Sonata 2.4 Stars and dies in 10 seconds. New crank sensor,Fuel pump,ignition sensor. Checked relay under radio and works fine. only thing left is cam sensor. Does it kill injector circuit… read more
Chris (aka- Moose)
Chris (aka- Moose)
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Hyundai Elantra: DTC P0110 and P0100 on vehicle. MAP sensor
DTC P0110 and P0100 on vehicle. MAP sensor failed test. Replaced MAP sensor, two DTC did not return, but vehicle now has pending U0D00. Replaced battery, pending code came back. 2001 Elantra does not … read more
Greg
Greg
Shop owner, technician
Vocational, Technical or Trade Scho
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2004 Sonata: V6..drove..O2 heater not ready.. removed ECU fuse
Hi, Have a 2004 Sonata 2.7l V6. Had a P0150 trouble code and replaced bank 2 sensor 1 O2 code has not reappeared. drove 150mi (3 drive cycles) and taken in for smog... failed non continuous monitoring… read more
Jay
Jay
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2003 Hyundai Tiburon GT: smog..my OBDII tool to the car..trouble codes
By 2003 Hyundai Tiburon GT is having trouble passing smog due to readiness monitors not completed. When I connect my OBDII tool to the car, communication link succeeds. There are no trouble codes. But… read more
Greg
Greg
Shop owner, technician
Vocational, Technical or Trade Scho
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2005 hyundai sonata: installed new..codes, unhooked battery for 30 min
2005 hyundai sonata 2.4 will start run for about 5 sec and stahls. We have codes P0320 and P0342. Have already installed new crank sensor, cleared codes, unhooked battery for 30 min. Still have same p… read more
HondaPlatinum
HondaPlatinum
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2000 Hyundai Accent GS: Cyl..bad spark plugs..air filter..timing belt
CAR: 2000 Hyundai Accent GS 1.5L 4 Cyl MFI ISSUE: Fails emissions for high NOx - 1200 approx. History: I replaced O2 Sensors (they were glazed white), the vehicle was recently "dying" on the road beca… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
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2011 hyundai sonata: dealership..headlights..cloth seats..disconnect
2011 hyundai sonata. when my wife took her car home from the dealership, after removing the key from the ignition, the dashboard lighting and headlights remained illuminated for 20-30 seconds. Dealer … read more
HondaPlatinum
HondaPlatinum
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2002 hyundai sonata: check engine light..drove..500 miles..brand new
I have a 2002 hyundai sonata the check engine light was on I took it to the mecanic the computer gave 2 codes 2 oxigen sonsors were replaced the check engine went off however I drove the car more than… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
10,828 satisfied customers
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Meet the Experts:

George H.

George H.

Hyundai Technician

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Ron Z.

Ron Z.

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Chris (aka- Moose)

Chris (aka- Moose)

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K. Wiggins

K. Wiggins

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Mike Kelly

Mike Kelly

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Tim Mohr

Tim Mohr

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Daniel

Daniel

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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