An engine code reader/scanner can help you make the drive/no drive decision and even help you fix the problem. It works by plugging into the cars computer system and displaying a “trouble code.” A scanner gives you real-time “live” information so you see the same data your cars computer is seeing.
What can a car code reader tell you?
A car code reader is one of the simplest car diagnostic tools youll find. They are designed to interface with a cars computer and report trouble codes that can trigger check engine lights and other problems.
Do code readers work on all cars?
Do code readers work on all cars? OBD2 car code readers will work on all cars with onboard diagnostic software. OBD2 is a universal interface in most cars that was first introduced in the 1980s.
Does AutoZone let you use code reader?
Many drivers dont realize that AutoZone, the nations largest auto parts chain, will do the following services free of charge: Read the codes on your check engine light. Test your batterys voltage.
Are car code readers worth it?
It works by plugging into the cars computer system and displaying a “trouble code.” An engine code reader/scanner is worth buying if youre a fairly competent amateur mechanic who understands how an engine works. But its not a silver bullet that will always tell you exactly whats wrong.
Does car need to be on for code reader?
Always turn the ignition on or have the car running according to the instructions in the manual. Failure to do this might corrupt the scanning software. Its also very important that you drive around with the manual for the specific scanner model that youre using.
How much does a car code reader cost?
Comparison of the best OBD2 scanners in 2020BrandPriceThe best dedicated OBD2 scanner on a budgetInnova$90The best high-end consumer-class OBD2 scanner with a candy-bar gripAutel$299The best hybrid OBD2 scannerAncel$60The best OBD2 scanner option from the bottom of the barrelAnself$144 more rows•30 Aug 2021
Are car code readers Universal?
OBD scanners are universal and will read generic fault codes. Some vehicles however use both generic and manufacturer specific fault codes. Many of the manufacturer specific codes may not be read by a basic universal type OBD scanner. Youll also learn about the higher end scanners and when youll need to use one.
Does car need to be on to scan codes?
Always turn the ignition on or have the car running according to the instructions in the manual. Failure to do this might corrupt the scanning software. Its also very important that you drive around with the manual for the specific scanner model that youre using.
What is the best auto scanner for the money?
Comparison of the best OBD2 scanners in 2020BrandPriceThe best OBD2 scanner overallInnova$320The best Bluetooth smartphone OBD2 scannerBlueDriver$100The best OBD2 scanner if money is no object or if youre a paid professionalBosch$4,490The best leave-it-in-all-the-time OBD2 Bluetooth dongleFIXD$504 more rows•30 Aug 2021
Will AutoZone do a free diagnostic?
Some places charge you to try the car, but in AutoZone, its free. AutoZone will try the car parts for free. We can test the automatic batteries, the alternator, the starter and the voltage regulator while theyre still in your car.