Will it allow you to reset check engine light after codes are read.

So it doesn't clear the CEL, the light will not turn on when you fix what ever needs fixed.

will this work on my 92 ford aerostar 4.0 E4wd?

Yes, this will work for the OBD1 EEC IV Engine computer in a 1992 Ford Aerostar. However it will not read Transmission, ABS Air Bag or Brake codes

Is this the one that you get the codes from the motor under the hood or is this the one for one part of the motor?

This code reader is for getting the codes out of the engine control computer that makes the check engine light come on. You have to use the connection under the hood to hook it up, but you will need to operate the ignition switch during the testing/reading so you should also buy the extension cable so you can watch this unit display the codes from inside the vehicle, sitting behind the wheel. It does NOT directly check anything mechanical inside the engine like oil pressure or ignition timing. It only tells if the computer thinks something is not working like an oxygen sensor or other sensors. It also does not monitor engine temperature or speed or if an injector is working or not. I don't believe it can make the check engine light turn off or reset.

do i need to buy anything else in order to read codes?

No, A book comes with the code reader and I also bought the plug in cord with the INNOVA. Be sure to read instructions before turning on the reader or starting the car.

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Description

🔧 Decode your ride’s secrets in seconds—because your time and money deserve it!

TRUSTED BY DIY PROS - Highly rated and proven to save time and money on repairs.
PERSISTENT CODE MEMORY - Retains trouble codes even when unplugged, so you never lose critical data.
INSTANT DIGITAL CLARITY - No more guessing—numeric codes displayed clearly for fast diagnostics.
LEGACY FORD COMPATIBILITY - Works seamlessly with Ford, Lincoln, and Mercury models from '82 to '95.
PLUG DIAGNOSE SIMPLICITY - Connects directly to your vehicle’s test port—no extra tools or apps needed.

The INNOVA 3145 Ford Digital OBD1 Code Reader is a precision diagnostic tool designed for Ford, Lincoln, and Mercury vehicles from 1982 to 1995. Featuring a clear digital display, it reads numeric trouble codes from MCU and EEC-IV systems, stores codes even when unplugged, and simplifies vehicle self-tests—empowering you to troubleshoot with confidence and avoid costly repairs.

Specifications

ASIN	B000EW0KHW
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#4,375 in Automotive ( See Top 100 in Automotive ) #30 in Code Readers & Scan Tools
Brand	Innova
Brand Name	Innova
Customer Reviews	4.4 out of 5 stars 6,861 Reviews
Global Trade Identification Number	00031111725513, 00042173031450
Included Components	Code Reader
Item Dimensions L x W x H	6.25"L x 2.1"W x 10"H
Item Type Name	OBD Diagnostic Tool
Item Weight	0.54 Pounds
Manufacturer	INNOVA
Manufacturer Part Number	3145
Manufacturer Warranty Description	1 year limited
Model Number	3145
Operating System	Windows XP
Power Source	Corded Electric
Product Dimensions	6.25"L x 2.1"W x 10"H
UPC	031111725513 999992952469 042173031450 666669796052

Reviews

A**F

13.03.2026

J**Z

11.03.2026

T**E

11.03.2026

B**S

20.11.2025

C**.

16.03.2016

H**E

15.10.2025

R**T

12.04.2026

C**Z

4.05.2019

L**S

3.01.2026

I**.

7.04.2025

W**P

15.02.2026

M**N

11.08.2023

J**A

24.03.2026

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RM348

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In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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INNOVA 3145 Ford Digital OBD1 Code Reader

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