Can you use this to diagnosis why check engine light is on and figure out why car wont start? even of car wont start?

MS309 is a OBD2 scanner that can read and clear codes on OBD2 system and help figure out why check engine light is on.

Will this work on a 2002 for explorer sport trac

Yes, MS309 can work on the 2002 Ford Explorer.

i used this tool and all is said was manufacturer control. no code number with it? what does that mean? 1998 ford explorer sport.

OBD2 is the standard across all US cars. Some manufacturers also add brand specific codes, which may or may not be supported by the code reader. Sound like you have a vehicle/manufacturer specific code not supported by a $20 reader.

Can this disable my key?

No, it can't. please check KM100/ IM508/ IM608.

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Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool

Product ID: 129582400

Details

Automotive Fit Type
Vehicle Fit
Brand
Autel
Power Source
by OBD2 cable
Product Dimensions
2.74"L x 0.8"W
Screen Size
1 inches

📊128x64 screen with 1000+ DTC definitions

🔌Plug & Play OBDII connection

⏱️Instant code retrieval & reset

NT$1658

Duties & taxes included

In stock

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Description

🚗 Decode your car’s secrets before your next drive!

SMOG CHECK READY - Monitors I/M readiness to help you pass emissions tests hassle-free.
EFFORTLESS PLUG PLAY - No registration needed—just connect and diagnose in seconds.
COMPREHENSIVE CODE COVERAGE - Reads & clears generic and manufacturer-specific codes with built-in definitions.
FREEZE FRAME VEHICLE INFO - Access VIN, Calibration IDs, and freeze frame data for smarter used car checks.
RELIABLE SUPPORT WARRANTY - 12-month warranty plus lifetime tech support keeps you covered 24/7.

The Autel MS309 is a universal OBD2 scanner compatible with most US vehicles from 1996 onward. It offers plug-and-play diagnostics with a 128x64 display, retrieving and clearing engine fault codes including generic and manufacturer-specific types. It provides freeze frame data, vehicle info like VIN, and emission monitor status to help you pass smog checks confidently. Backed by a 12-month warranty and lifetime technical support, it’s an essential tool for DIY car owners aiming to save time and avoid costly repairs.

Specifications

ASIN	B07Q5H7M5S
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#7,056 in Automotive ( See Top 100 in Automotive ) #50 in Code Readers & Scan Tools
Brand	Autel
Brand Name	Autel
Customer Reviews	4.6 out of 5 stars 17,197 Reviews
Global Trade Identification Number	00193195983507, 00508825559005, 00608225589081, 00634425760166, 00647904097028, 00669954576292, 00702565320417, 00707273312143, 00712407252318, 00713524943653, 00755263547778, 00891638744721, 06900738022869, 06901649345931, 06903119834068, 06920172337862, 06923430013232, 06923788980576, 06925470121717, 06937357200088, 06939164313111, 06941221067530, 06951300480273, 06951300480280, 06957740531742, …
Included Components	Download MS309 User Manual: https://www.autel.com/u/cms/www/202004/23032946p9xd.pdf, MS309 Autel HQ w-eb: https://www.autel.com/mk1/3264.jhtml
Item Dimensions L x W x H	2.74"L x 0.8"W x 4.34"H
Item Type Name	Universal OBD2 Scanner
Item Weight	180 g
Manufacturer	Autel
Manufacturer Part Number	00063-25
Manufacturer Warranty Description	Manufacturer warranty for 45 days from date of purchase
Model Number	00063-25
Native Resolution	128x64
Number of Items	1
Power Source	by OBD2 cable connect to car
Product Dimensions	2.74"L x 0.8"W x 4.34"H
Screen Size	1 inches
UPC	508825559005 891638744721 713524943653 755263547778 608225589081 193195983767 634425760166 193195983507 675234379934 702565320417 669954576292 647904097028 712407252318 707273312143 UPC 508825559005 891638744721 713524943653 755263547778 608225589081 193195983767 634425760166 193195983507 675234379934 702565320417 669954576292 647904097028 712407252318 707273312143 See more

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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NT$1658

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Taiwan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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