The Tuffy St. Johns Guide to Vehicle Diagnosis

September 28, 2022

Modern St. Johns vehicles have several computers on board that control all kinds of things like engine functions, transmission shifts, traction control, anti-lock brakes, stability control, emissions and on some vehicles, even steering, braking and the throttle.Think about that for a minute th... More

Automotive Detective Work in St. Johns

July 12, 2022

There's a reason we use the word diagnose when we talk about fixing cars in St. Johns . Figuring out what's wrong with your vehicle has a lot of similarities to figuring out what's wrong with someone who is ill. Vehicles are a mass of complex systems that can produce a variety of symptoms when s... More

Diagnosing Your Vehicle at Tuffy St. Johns in St. Johns

May 1, 2022

When we St. Johns residents get a car repair bill, we really shouldn't be surprised to find diagnostic fees as one of the line items. When we get a computer fixed, there is usually a charge for the time it takes to diagnose the problem. When we go to a medical doctor, most of his fee is for his ... More

On Board Diagnostics for Your Engine

September 13, 2020

Starting in 1996, Tuffy St. Johns service technicians have been able to use a standardized diagnostic system to help determine what is wrong with a vehicle. This diagnostic system works in tandem with the Engine Control Modules for each vehicle's engine. The Engine Control Module is a computer th... More

What Is That? Check Engine Light Service at Tuffy St. Johns

July 20, 2016

Okay. You went to your local St. Johns car wash, and while your vehicle was under the dryer, the Check Engine light started flashing. Panic! What did you just do? Something is seriously wrong with the vehicle! You head for the nearest St. Johns service center, but on the way, the Check Engine ... More

Automotive Detective Work In St. Johns

June 17, 2015

Theres a reason we use the word diagnose when we talk about fixing cars in St. Johns . Figuring out whats wrong with your SUV has a lot of similarities to figuring out whats wrong with someone who is ill. Vehicles are a mass of complex systems that can produce a variety of symptoms when somethi... More

The Tuffy St. Johns Guide To Vehicle Diagnosis

November 7, 2013

Modern St. Johns vehicles have several computers on board that control all kinds of things like engine functions, transmission shifts, traction control, anti-lock brakes, stability control, emissions and on some vehicles, even steering, braking and the throttle. Think about that for a minute ... More