Question about 2000 Hyundai Sonata

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Code u00009 onboard computer,

My hyundai trajet keeps cutting out but restarts after you reset the immobiliser

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6ya6ya
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Posted on Jan 02, 2017

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ghost4548
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SOURCE: from cold start engine warms to quater temp then

Does the Check Engine light come ON when this happens? Whenever the "Check Engine" light comes on, there is always a DTC (Diagnostic Trouble Code) stored in the ECM (Engine Control Module). You'll need an OBDII (On-Board-Diagnostics) scanner to retrieve any codes recorded/set in ECM. Otherwise, guesswork. I have MANY ideas that could send you on a wild goose chase. I strongly suspect EMS (Engine Management System) sensor beginning to malfunction as it warms up. First strong suspicion is the crank position sensor (CKP) - however,usually always sets a DTC (i.e., P0335, P0336). The next suspicion is the Engine Coolant Temperature sensor. The ECM uses this sensor's signal to adjust fuel, timing, engine RPM, etc based on engine temp. If malfunctioning at a particuar point during engine warm up, it could be telling the ECM the temperature is LOWER or HIGHER than it ACTUALLY is, resulting in the ECM to increase fuel (flood it) or give it LESS fuel (starve it). If this malfunction lasts long enough, the ECM will usually set a DTC for that sensor circuit, either a Range/Performance code, or a "LOW Input" or "HIGH Input" code.

Posted on Jun 07, 2009

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SOURCE: its a hyundai trajet,aa said crankshaft sensor not

it is inside the timing cover in most cases with hyundai the timing belt will have to be removed so the crank gear can come off the sensor is usually behind the gear especially if it is a 6cyl if it is a 4 cyl then the wire goes behind the timing belt make sure the timing marks are lined up so when you reassemble it is lined up

Posted on Aug 29, 2009

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SOURCE: Engine management system comes on hyundai trajet

depending on what code it is showing the problem could be occuring in the tranny the torque convertor could be trying to go out or a shift solenoid causing it to stall.

Posted on Aug 30, 2009

  • 3640 Answers

SOURCE: The engine stops running after 10 minutes of driving

could be a bad crank sensor, a bad crank sensor will let car run for a while then shut down and will not start for 10 to 15 min. and it will repeat this cycle if not fixed.the crankshaft position sensor provides the ignition module and pcm with a crankshaft position signal. the module uses this signal to determine spark for each cylinder. the pcm uses this signal for proper timing of engine.

Posted on Dec 14, 2009

  • 192 Answers

SOURCE: can jump starting the car, blow the computer

Any overcharge situation can corrupt an ECM. Incorrect placement of jumper cables and not grounding properly can definitely damage an ECM (computer) However most people still jump cars like they did before computers.. red to red and black to black.. this is WRONG.. black shoudl be grounded on alternator or car frame. If you did this and didnt ground properly you very well may have corrupted or burnt ECM. If corrupted it may be "reprogrammable" by dealer also called "flashing" if you burned it then it will have to be replaced by dealer as it requires programming to specific VIN of your vehicle.

Posted on Jun 08, 2010

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1 Answer

I ran out of dieel on my Hyundai trajet 2006 and can't now start it, how do i bleed the fuel sytem?


there should be a rubber hand pump by the fuel filter under the bonnet, disconnect the fuel pipe from the filter to injector pump just clips off ,squeeze the pump until the filter is full refit fuel pipe and pump some more until you feel the resistance in the pump build she should now start, if you cant disconnect the fuel pipe just pump until you feel resistance but might take longer, if there is no hand pump fill the filter with diesel and try starting her if she then starts keep it reving a while to make sure all air is out of system

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Why my hyonda trajet refuse to start, had electrical problems


have the OBD codes read as this will tell you what sensor/switch etc could be causing the problem

May 21, 2014 | 2006 Hyundai Trajet 2.0

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My 2ltr petrol trajet keeps juddering when i drive it only happens when doing 30mph or less.engine check light comes on to.


First thing first, use IBD II device to find out the check engine code, and you start troubleshooting from there.

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I have a 2001 hyundai elantra that has a error code of U0D00 what is the explanation?


Go to this URL: http://www.hyundai-forums.com/138-trajet-forum/89493-trajet-error-code-u0d00.html

It appears that another Hyundai owner had the same problem and sorted it out himself. U0D00 seems to be the Mass Airflow meter (sensor). Replace it and see how it performs. Good luck.

Oct 05, 2013 | 2001 Hyundai Elantra

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Trajet diesel engine cuts out on idling


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Sep 11, 2012 | 2001 Hyundai Trajet

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Trajet has ignition will not start when turned to start position


POP UP THE BONNET AND YOU WILL FIND ANOTHER FUSE BOX NEXT TO THE BATTERY WITH A ROUND BLACK PLASTIC SCREW ON THE TOP ?UNSCREW THAT AND IN THE LID IT WILL SHOW YOU THE 30 AMP IGNITION FUSE AND THAT WILL HAVE BLOWN YOU CAN ONLY GET THAT FUSE FROM HYUNDIA GARAGE BUT YOU CAN TAKE THE OLD FUSE OUT BREAK THE WHITE PIECE IN THE MIDDLE AND TWIST WIRES BACK TOGETHER ?IT WILL RUN PERFECT UNTIL YOU GET ONE ORDERED?

Jun 12, 2012 | 2001 Hyundai Trajet

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How do i reset immobiliser on hyundai coupe


I have key but not the button fob car won't kick over

Nov 13, 2011 | Cars & Trucks

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The immobiliser has cut in on hyundai santa fe 2002, so the injectors won't work. Can the immobiliser be bypassed?


Yes. Usually there is a reset switch on the immobilizer. It pops up when it is triggered, just push it back in and it will click and you should be ok. They are usually located on the firewall inside the car on the drivers or passengers side.

Jan 12, 2011 | 2002 Hyundai Santa Fe

1 Answer

Engine management system comes on hyundai trajet


depending on what code it is showing the problem could be occuring in the tranny the torque convertor could be trying to go out or a shift solenoid causing it to stall.

Aug 30, 2009 | 2001 Hyundai Sonata

1 Answer

Immoboliser Faulty


these immobilisers on hyundai are a chip installation in key ? considering age of car and use of ign key it may well be the worne key ist causing intermitant problem ? ask mother did she get either another ign master key or a tag with the key code number stamped on it for obtaining a replacement key with the car ? as with each new hyundai you get 2x keys and either one of the above with all documents/handbooks etc try hyundai main office b4 you consider trying to cut out immobiliser? this would affect your insurance if it is stolen and found to not have working immobiliser

Oct 21, 2008 | 1997 Hyundai Accent

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