Question about 2004 Hyundai Elantra

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2004 huyndai elentra code po 010

Failed inspection

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The CVVT (Continuously Variable Valve Timing) system is installed to the chain sprocket of the exhaust camshaft. There is no variation in valve timing of the exhaust cam because the exhaust camshaft is driven by the timing belt. The timing of the intake cam is varied by the relative operation the CVVT vane to the housing. This system helps the engine decrease exhaust gases and increase engine power and fuel economy by changing the valve open/close timing of the intake camshaft. The deviation of the camshaft position from the target point is evaluated during stable driving condition. The PCM accumulates this deviation for a certain period and sets DTC P0010 when the accumulated deviation is too high. The target camshaft position is a predetermineded value depending on engine speed and throttle angle communicated to the PCM. The MOST FREQUENT CAUSE is DIRTY OIL. The NEXT most frequent cause is restriction/obstruction of OIL FLOW to the CVVT unit (oil control valve supplies this). Remove this valve & inspect it for aluminium flashing (bits of metal which might be interferring with the valve's operation). We use Z-MAX treatment to solve this problem at our service center (after changing oil & filter (genuine Hyundai Oil Filter).2004 huyndai elentra  code po 010 - b0f9f5a.jpg

Posted on Jun 17, 2009

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Posted on Jan 02, 2017

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1 Answer

Runs rich


How can you fail more than once?

After you fail, you go to a repair shop &
resolve ALL Vehicle issues

Then the shop road tests until all 8 I/M Monitors
run clear ,or there is no reason to go back to inspection
knowing your going to fail.

The problem is the shops & peoples inability to explain
what they need taken care of.

If you never work on the vehicle for years,then you don't
go to inspection,it is a given you will fail

Spark Plugs-every 3 years
Check for Cylinder Misfires
Always install a New Air Filter before inspection
Always install new fresh full sys oil before inspection

Oxygen Senors get replaced every 100,000 miles

Have to road test with professional scan tool & look at
all data,check monitors,fuel trim,O2 etc & check for codes

You have to spend the money to evaluate the vehicle, to see
if it is ready to go for inspection,not many are,their just driven
& neglected

Rich could be-- O2 Sensors,Dirty MAF Sensor,Vacuum Leaks,
Injector Leaks & more,I have seen a dirty air filter fail a car

Mar 27, 2014 | Acura Integra Cars & Trucks

1 Answer

What could PO 302, PO 300, PO 105, PO106, PO 110,PO 115& PO 120 CODES Mean on a Toyota Camry 2000 model sedan car?


what engine, what size. that is first question.
misfire, map ,maf, iat, ect,tps and cat fail and low coolant temps.
very odd mix there. did you pull connections, key on???????

it means they all fail a test.
DIY? or just curious?

login to alldata.com
the question is , which is the most important.
all are cept 420, (last that, and bet goes way. later.)

reset the ECU, and see which come back.?
check all fuses.
then post codes that repeat, after fuse checks.

does the engine get fully hot running, 180F minimum?

Nov 27, 2013 | 2000 Toyota Camry

1 Answer

Engine codes PO 128, PO 440, PO 456 and PO 622


Trouble Code: P0128

Thermostat Rationality Test

Possible Causes:


Check the operation of the thermostat (it may be stuck open).ECT Sensor is contaminated, damaged or it has failed.Inspect for low coolant level or for an incorrect coolant mixture.Trouble Code: P0440

EVAP Purge System Fault

Possible Causes:


EVAP purge valve vacuum supply is leaking or clogged.EVAP purge valve is stuck closed.EVAP purge solenoid has failed.NVLD assembly (leak detection) is damaged or has failed.NVLD switch circuit is open or the NVLD switch has failed.Ground circuit is open.PCM has failed.Trouble Code: P0456

EVAP Small Leak (0.020") Detected

Possible Causes:


.EVAP fuel tank or canister vapor hoses leaking or damaged.EVAP system component leaking, fuel cap loose or missing.Leak detection pump damaged or leaking.Trouble Code: P0622

Generator Field Control Circuit Malfunction

Possible Causes:


Generator field control circuit is open or is shorted to ground.Generator field control circuit is shorted to system power (B+).Generator field ground circuit is open.Generator is damaged or PCM has failed.PCM has failed.Here are the codes and causes.

Nov 25, 2012 | 2002 Dodge Intrepid

1 Answer

Po316, po 300, po301, po305 2004 ford freestar


These codes are making me lean towards the ignition coil pack.My stepson's 2001 Sable 3.0 v6 had one cylinder misfiring(5-code P0305),which shares a coil with cylinder 1(code P0301).I diagnosed it by trading wire 1 and 5 at the coil,and the code changed to P0301.You have codes for the two cylinders on the same coil,so this is most likely it.(these codes would also trigger P0300(Multiple Misfires Detected) and P0316(Misfire Detected First 1000 Revs)).

Oct 14, 2012 | 2004 Ford Freestar

1 Answer

2004 dodge stratus 2.4 dohc po344 code


PO 340 thru PO344 are cam shaft position sensor issues

That does not tell you what is wrong or to replace anything

Have it diagnosed at a repair shop

A sensor could fail & it more than likely is just
reporting other issues you have to have resolved.

Oct 02, 2012 | 2004 Dodge Stratus

1 Answer

Will not turn over or even try to turn over. has hot battery and was running fine until parked now will not do anything. also has a different chime alert


Automobiles: 1996 Mercury Sable
Something electrical corroded while it was parked.

connection between battery cable and (lead) battery connector - look for green corrosion of copper wire
cable going from battery to starter motor corroded
corroded ring terminal on starter motor threaded terminal
ignition switch contact corroded at the "start" position
Battery delivers 12 volts, but fails to deliver proper CCA/fails load test
starter motor inoperative
starter solenoid seized/immobile
engine ground wire missing/broken/corroded terminal(s) - frame-to-engine
starter relay failed/corroded terminal(s)
wire from starter relay to starter corroded/missing/corroded terminal(s)

For completeness, here's the Troubleshooting Guide for 1996 Mercury Sable:

Priority Action Part Type Cause
1 Inspect Ignition Switch - Improperly Connected or Faulty Ignition Switch.
2 Inspect Battery - Battery Discharged or Faulty.
3 Inspect Battery Cable - Corroded, Broken, Shorted or Poorly Connected Battery Cable.
4 Inspect Starter Solenoid - Starter Solenoid Faulty.
5 Inspect Starter - Starter Motor Faulty.
6 Inspect Wireset - Worn or Damaged Spark Plug Wires.
7 Inspect Ignition Coil - Faulty Ignition Coil.
8 Inspect Distributor Cap - Loose, Cracked or Worn Distributor Cap.
9 Inspect Spark Plug - Incorrectly Gapped or Fouled Spark Plug(s).
10 Inspect Distributor Rotor - Loose, Cracked or Worn Distributor Rotor.
11 Inspect Fuel Tank - Fuel Tank Empty.
12 Inspect Carburetor - Worn, Faulty or Damaged Carburetor.
13 Inspect Fuel Pump - Faulty Fuel Pump.
14 Inspect Choke - Stuck or Improperly Functioning Choke.
15 Inspect Fuel Filter - Clogged or Dirty Fuel Filter.
16 Inspect Fuel Pump Relay - Faulty Fuel Pump Relay.
17 Inspect Fuel Injector Pressure Regulator - Faulty Fuel Injector Pressure Regulator.
18 Inspect Fuel Pump - Low Fuel Pressure.
19 Inspect Engine Control Computer - Incorrect Operating Information Being Delivered and Sent From The EEC.
20 Inspect Fuel Pump Strainer - Clogged or Dirty Fuel Pump Strainer.

Dec 02, 2011 | 1996 Mercury Sable

1 Answer

Air bag light going off and on. Don't want the


CANT DISABLE AIRBAGS NEED TO HAVE AIRBAGS CODE SCAN AND FIX THE PROBLEM.AIRBAGS IS A SAFETY FEATURE WITH CAR LIKE SEAT BELTS.YOU CANT REMOVE EITHER IF YOU DO YOU WILL FAIL STATE INSPECTION.THEY WONT PASS STATE INSPECTION IF CAR MISSING SAFETY FEATURES OR AIRBAGS AND SEAT BELTS DONT WORK YOU WILL FAIL STATE INSPECTION.

Sep 02, 2011 | 2002 Chrysler PT Cruiser

2 Answers

Error codes po 134 po 153 po 154 po 155 po 171 po 174


PO 134 = 02 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR1)
PO 153 =02 SENSOR CIRCUIT SLOW RESPONSE (BANK 2 SENSOR 1)
PO 154 =02 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 2 SENSOR 1)
PO 155= 02 SENSOR HEATER CIRCUIT MALFUNCTION (BANK 2 SENSOR 1)
PO 171= SYSTEM TOO LEAN (BANK 1)
PO 174= SYSTEM TOO LEAN (BANK 2)
I WOULD SAY YOU HAVE FAULTY OXYGEN SENSORS CAUSING THE ENGINE TO RUN TOO LEAN REPLACE THEM AND YOU SHOULD BE BACK IN BUISNESS

Feb 23, 2011 | 2004 Suzuki Grand Vitara

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