Nissan Altima: Shaking When Accelerating → Diagnosis

One of the more common issues that can occur is a vehicle that shakes when accelerating.  If your Nissan Altima is shaking when accelerating, it’s something that should not be ignored.  While the vibration can be annoying, it is often indicative of a serious problem.   Speed Matters Vehicle speed matters when you feel a … Read more

Nissan Altima:  Lifter Ticking Diagnosis

One of the most annoying things that you can coming from under the hood of your Nissan Altima is a ticking lifter.  The ticking noise makes it sound like the engine is going to give up the ghost at any time.  There are a few things that can cause a lifter to tick, such as … Read more

Nissan Altima: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Nissan Altima.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Nissan Altima:  Clutch Slipping → Diagnosis

Your Nissan Altima’s clutch provides a direct connection between the engine and transmission.  Without it, it can’t move at all. This connection requires a tremendous amount of pressure.  This guide is intended to help you determine why your clutch is slipping on the flywheel. Note:  This article is for manual cars only.  Here’s the automatic … Read more

Nissan Altima:  LOOSE FUEL CAP Message Diagnosis

This guide will help you determine why you are getting the LOOSE FUEL CAP message in your Nissan, and the likely reasons that it came on. Table of Contents 1. Loose Fuel Cap Meaning 2. Symptoms of a Loose Fuel Cap 3. How to Reset LOOSE FUEL CAP Warning 4. Is It Safe To Drive … Read more

Nissan Altima:  Engine Sputtering (Causes + Diagnosis)

A sputtering engine can indicate a number of problems.  If your Nissan Altima has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter.  Your Altima’s engine is a giant pump.  It pulls in air (where it is measured by the mass airflow … Read more

Nissan Altima:  Brake Pedal Going to Floor Diagnosis

The single most important safety feature in your Nissan Altima is a good set of brakes.  If your brake pedal is going to the floor, it indicates that there is a serious problem in the braking system.  When the pedal goes to the floor, it’s usually caused by a bad master cylinder, leaking brakes, bad … Read more

Nissan Altima Shifting Hard: Causes + Diagnosis

One of the most common automatic transmission problems is shifting hard.  If your Nissan Altima has a hard shifting transmission, it can be uncomfortable to drive and a sign of serious problems. If your car’s transmission is shifting hard, it can cause a harsh ride and lead to potential damage over time. Numerous factors can … Read more

Nissan Altima:  P1273 Code Diagnosis

 P1273: Air Fuel Ratio Sensor (Sensor 1 Bank 1) – Lean Shift Monitoring P1273 is a common Nissan diagnostic code.  It has the same meaning for your Altima as it would any other Nissan.   It indicates that the air fuel ratio sensor has detected a lean shift in the exhaust output.  It’s usually caused by … Read more