2025 NEW! Auto Ignition Coil Test Injector Solenoid Valve Idling Stepper Motor Instrument Tester Fault Detector Drive Simulator

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Product Details

 

 

 

 

Upgraded Drive QDB-4A Automobile Ignition Coil Tester Injector Solenoid Valve Idling Stepper Motor Instrument Fault Detector

Large screen, and more Easy to operate

Product Main Functions:
1.Drive test ignition coil:including independent ignition,coil type,Module Type.
2.Drive test fuel injector:including gasoline-powered car 12V fuel injector,diesel vehicle 12V 24V fuel injector.
3.Drive and test solenoid valves and fuel metering valves controlled by various duty ratios.
4.Drive and test motors controlled by various duty ratios,urea pump motors,etc.
5.Drive and test idle stepping motors,instrument stepping motors,headlight follow-up steering stepping motor and so on.
6.Hall signal with adjustable output frequency,amplitude and duty ratio.Used to simulate various duty cycle sensors,such as air conditioning pressure sensor(duty cycle type),
air flowmeter(duty cycle type),etc.
7.Power supply voltage range:12V-24V,with reverse connection protection,overcurrent protection.
8.Electromagnetic coil driving current range:0-3.5A
9.Output frequency range:1HZ-100KHZ
10.Duty cycle adjustment:1%-100%
11.Adjustable voltage:1.25V-11.5V
Product Specification:
Model:QDB-4A
Power In:DC 8-28V
Power Out:0-2.5A
VADJ Out:0-1.5a
DMM:DC 0-30V/0-1M
PWM:1-100KHz/0-100%
Step Motor:Max 15A
Product SIze:17×9.8×2.8cm
Product Weight:About 175g
1 set Weight:About 0.39kg
Packing :Packing in colorful box

Package Including:

1 x QDB -4A

1x power cable

3x test connect cables

4xsingle plugs

1xIdle speed stepper motor plug

1xStepper motor welding cable

 

 

 

 

 

 

 

Item Specifics
High-concerned chemical:
None
Electronic:
No
Is Batteries Included:
No
Reviews
(20)
Verified Buyer
d***y
10 Mar 2026 00:00

Very good machine very good i have to say as help me so many times already very good testing machine very happy very much so

Verified Buyer
Customer
5 Mar 2026 00:00

Very good product, I have tested it with a multimeter and an intake valve from a vehicle, and it works without any problem.

Verified Buyer
Customer
28 Feb 2026 00:00

I am very happy and very satisfied, the shipping was very accurate and very fast, I highly recommend it, excellent quality and price, excellent seller.

Verified Buyer
S***n
14 Dec 2025 00:00

excellent tester, too bad there isn't a user manual inside, so it's quite complicated to use.

Verified Buyer
Customer
30 Nov 2025 00:00

Exelent tool

Verified Buyer
a***r
23 Nov 2025 00:00

Fast order processing, quality service and polite communication. Management and staff with great responsibility are suitable for order processing and communication with customers. The product is well and securely packaged, the product itself is of high quality and at very reasonable prices. Thank you, only positive emotions from the purchase. I will definitely order again and recommend to others!

Verified Buyer
Customer
22 Nov 2025 00:00

Fast order processing, quality service and polite communication. Management and staff with great responsibility are suitable for order processing and communication with customers. The product is well and securely packaged, the product itself is of high quality and at very reasonable prices. Thank you, only positive emotions from the purchase. I will definitely order again and recommend to others!

Verified Buyer
Customer
18 Nov 2025 00:00

excellent product

Verified Buyer
Customer
5 Oct 2025 00:00

Good product

Verified Buyer
Customer
26 Sep 2025 00:00

Ordering from an online store is always a bit risky, but my experience with this seller exceeded all my expectations. From the first click until receiving the product, I felt complete confidence. It was already clear at the stage of placing the order that you work with professionals. The site is intuitive, the product description is detailed and accurate, and the ordering process takes just a few minutes. After confirming the purchase, a manager contacted me to clarify all the details. His/her consultation was at the highest level - it's clear that the person knows the product well and sincerely wants to help. What impressed me the most was the speed of processing and shipping the order. The product was sent on the same day, and I received it the next day. The packaging was secure, and the product arrived in perfect condition. Such an approach demonstrates respect for the customer and responsibility.

Verified Buyer
А***к
8 Sep 2025 00:00

Ordering from an online store is always a bit risky, but my experience with this seller exceeded all my expectations. From the first click until receiving the product, I felt complete confidence. It was already clear at the stage of placing the order that you work with professionals. The site is intuitive, the product description is detailed and accurate, and the ordering process takes just a few minutes. After confirming the purchase, a manager contacted me to clarify all the details. His/her consultation was at the highest level - it's clear that the person knows the product well and sincerely wants to help. What impressed me the most was the speed of processing and shipping the order. The product was sent on the same day, and I received it the next day. The packaging was secure, and the product arrived in perfect condition. Such an approach demonstrates respect for the customer and responsibility. I would like to express my sincere gratitude to the seller for the high standard of service. I will definitely return to this store again and recommend it to friends and acquaintances.

Verified Buyer
J***s
22 Aug 2025 00:00

Excellent product, arrived very quickly and well-packaged. I already tried it and it fulfills its function.

Verified Buyer
Customer
17 Aug 2025 00:00

goodgggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg

Verified Buyer
n***y
15 Aug 2025 00:00

Great item

Verified Buyer
P***k
10 Aug 2025 00:00

Everything works, it seems bigger in the photos but it functions correctly. For checking engines, it could just change poles.

Verified Buyer
l***a
5 Aug 2025 00:00

Excellent, the package arrived well and quickly, thank you very much.

Verified Buyer
S***k
9 Jul 2025 00:00

Very good workshop tool. Makes work easier. Excellent workmanship quality. I recommend purchasing from this seller.

Verified Buyer
Customer
4 Jul 2025 00:00

It arrived earlier than expected and very well packaged, I am very satisfied with the purchase, it's exactly what I need, just need to do some testing. thanks to the seller

Verified Buyer
o***s
28 Jun 2025 00:00

Well packaged, arrived quickly in Colombia, I haven't tried it yet but it has a good finish.

Verified Buyer
U***r
20 Jun 2025 00:00

Very good

Shipping & Returns

SHIPPING

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have been shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 15-40 Business days
Canada, Europe 15-40 Business days
Australia, New Zealand 15-40 Business days
Central & South America 15-40 Business days
Asia 15-30 Business days
Africa 15-40 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

RETURNS

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of car accessories (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://www.carforaccessories.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Why Buy From Us

A few reasons why buy from us:

SAFE SHOPPING

We try our best to make your shopping experience not only pleasant, seamless and hassle-free, but also secure.

FREE SHIPPING

Enjoy flexible international shipping services that currently operate in over 200 countries across the world.

NEW ARRIVALS

Brand new products are available on a regular basis.

PRICE PROMISE

We don't want you to choose between the best value and the best service. That's why we offer competitive pricing.

EXCELLENT CUSTOMER SERVICE

Knowledgeable and professional support team is always happy to help you.

EASY TRACKING

Check your order status online. As easy as that!

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