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VEHICLE TECHNICAL QUESTION & ANSWER
A RELIABLE ADDRESS TO ANSWER YOUR VEHICLE TECHNICAL INFORMATION
Dear all clients and colleague!
Thank you for trusting and using products, training programs, and technical services of DTDAuto. During the last time, we have received a lot of useful questions, technical problems need to be explained. Therefore we added “technical question & answer section” to answer your questions. If you have any question, please send it to email dtdauto@gmail.com or as below, we will reply you as soon as possible.
 
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CONTENT
Gasoline engine electrical system  Body electrical system  Electronic technical 
Diesel engine electrical system Accessory equipments  Diagnostic & measuring equipments 
Chassis electrical system   Safety systems & Immobilizer  New technologies 
    General questions 
Recent questionsAll questions
Section: Gasoline engine electrical system (for automotive/motorcycle)
Question:
I faced a problem with Honda LEAD 2010, I disconnect the connector plug of the idle air control valve (IACV) for checking then I reconnect it but the engine can not recover the original idle speed, it was over idle speed and I can not control it...                                                                                              View detail >>
   
Section: Gasoline engine electrical system (for automotive/motorcycle)
Question:
Could you help me this case, when I disconnect the connector of the injector (Vespa LX 125 ie scooter) the Motoscan can not find that fault until I restart the engine several times? Sometimes, Motoscan show three faults, I correct one of them but all the faults disappear?                                                        View detail >>
   
Section: Gasoline engine electrical system (for automotive/motorcycle)
Question:
Can you help me this case; my client has a Honda Lead 110 scooter, idle speed a little bit fast, I can repair it easily if it is the old carburetor scooter. However, this is the new FI generation and I can not adjust it. People told me that I need a Motoscan equipment to adjust it, does it true?                                    View detail >>
   
Section: Gasoline engine electrical system (for automotive/motorcycle)
Question:
I have a NuBira II car, over idle speed when gas pedal completely released. I have it repaired by some workshops but they can not fix it. Could DTDAuto tell me about this fault...                            View detail >>
   
Section: Chassis electrical system
Question:
I am a student of DTDAuto, I faced with this problem, when I use Autoscope to check electromagnetic pulse for ABS sensor of Toyota Innova and I can see pulse appear at the two pins speed sensor of ECU connector, when disconnect the connector and rotate the wheel. I do the same for Honda Civic vehicle, but I can not see the wave form...                                                                                                         View detail >>
   
Section: General questions
Question:
I am have a Honda SHi 2008. Currently, my engine has gasoline smelling problem and consume more fuel. I can not define the faults; can DTDauto help me?                                                                      View detail >>
   
Section: Electronic technical
Question:
Currently, my workshop have some broken ABS Corolla Altis set, the fault is inside ECU, there also another air bag ECU of Honda Civic 2008 car was broken after an accident. Could DTDAuto repair these faults? Where can I learn to repair this type ECU?                                                                                    View detail >>
   
Section: Gasoline engine electrical system (for automotive/motorcycle)
Question:
A client called from a workshop and asked: I am repairing a Gentra vehicle, it is very hard to start the engine, and it only start normally sometimes after the engine worked. I used scanner found only fault P0337: Low voltage, crankshaft sensor. Clear fault normally, I have checked connector, replaced new sensor, measure the output electric pulse of the sensor. The live data display on the screen is normal...                   View detail >>
Section: Electronic technical
Question:
When I change value of odometer, I pick up the 93a66 chip unfortunately broken it, I replaced it with 93c66 chip but the odometer not run and oil pressure lamp are not work...                                        View detail >>
 
Section: Body electrical system
Question:
Please help me with this situation! I have a 2012 Daewoo Lacceti car, faced with a serious problem, the life span of battery is only 3 months, and even I replaced genuine battery.                                 View detail >>
 
Section: Gasoline engine electrical system (for automotive/motorcycle)
Question:
Could DTDAuto tell me what fault when scanner show P1300?                                        View detail >>
 
Section: Gasoline engine electrical system (for automotive/motorcycle)
Question:
Hi! I have just bought an imported 2010 Kia morning car, ECO engine. When I am running this vehicle, the ECO light always in the state “On”. At the beginning, the light is white and then green...          View detail >>
 
Section: General questions
Question:
I have finished a ship engine course and I understood basic principles of engine, now I want to take in an automotive training course using diagnosis equipments, if your company have a course as I mentioned above...                                                                                                                                       View detail >>
   
Section: Body electrical system 
Question:
I have a Toyota hilux 2004 car. The indicator blink continuously and I can not turn it off. Does ECU cause of this fault? Thank you!                                                                                          View detail >>
   
Section: Diesel electrical system 
Question:
I have a KIA Bongo 3 truck, I have just replaced injectors, engine work normally after a long time then the timing belt was broken. I replaced the belt but engine makes more noise. I wonder whether the engine have faults or not?                                                                                                          View detail >>
   
Section: Diagnostic & measurement tools  
Question:
Could DTDAuto tell me what is the purposes of connection between E1 and TE1?      View detail >>
   
Section: Gasoline engine electrical system  
Question:
The idle speed valve of a FORD car close and open normally but I can not set the idle speed mode, can DTDAuto help me?                                                                                                     View detail >>
   
Section: General questions  
Question:
I have a Toyota Hilux VIGO 2006 car, after a long time used, the instrument panel appears a red T-Belt symbol. What it is warning light? How can I clear it?                                                        View detail >>
   
Section: Safety systems & Immobilizer  
Question:
I have an imported Toyota YARIS car, the Immobilizer was faulted. I have asked a workshop to buy a new one for replacing but the engine still can not start. Could DTDAuto help me...                      View detail >>
   
Section: Diesel engine electrical system  
Question:
I wonder whether there is any problem related at engine if I replace a filter for KIA Bongo -III truck.                                                                                                                           View detail >>
   
Section: Gasoline engine electrical system  
Question:
Could DTDAUTO help me with this case: I have a Lexus GX460 car, after changing the engine oil I hear a small noise inside the engine and there is a triangular light blink on the instrument panel when I turn on the ignition key, start engine and change any gear without “P” position. When I changed to P gear, engine operates normally, I wonder whether this fault is caused of oil or not?                                                   View detail >>
   
Section: Diesel engine electrical system  
Question:
I have a problem with 29 seats E-County D4DD Hyundai. Engine is normal operation. However, when I speed up, or clamp up hill. Suddenly, the check engine light flash one time, the engine become weakness and can not accelerate even I pressed deeply the pedal. Turn off the ignition key a few seconds, and then restart it, the engine operates normally. However, after running a short time it is got the similar malfunction...   View detail >>
   
Section: Diesel engine electrical system  
Question:
I have a problem with my KIA Bongo III truck, it works normally the time before. However, after I replaced 2 new injectors, the engine works not strong any more. I took it to the workshop for them used a Scanner to read faults but the fault was not found. So, what is this problem? Did I replace improper injectors? And do I need replace another type of injector?                                                                         View detail >>
   
Section: General questions  
Question:
Hi DTDauto, I have this question. My vehicle starts and operates normally but consumes more fuel and when I turn the accelerator harder there is smoke appearing. I have used Motoscan tool to read faults but have no result. What should I do?                                                                                      View detail >>