Saab 9-4X:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Saab 9-4X is a generic OBD II code.  In layman’s terms, it means that the MAP (manifold absolute pressure) and/or MAF (mass airflow sensor) are providing the 9-4X’s computer contradicting data compared to what it should be in relation to the throttle position sensor. The throttle position sensor tells the computer how … Read more

Saab 9-4X: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Saab 9-4X’s engine has smoke coming from it, it needs to be addressed right away.  It can be caused by quite a few different problems, none of which should be ignored. The most common reasons why your 9-4X’s engine would smoke include overheating, burning oil, or … Read more

Saab 9-4X Hesitating to Start (5 Most Common Reasons)

While it may not leave you stranded, a vehicle that hesitates to start can be very concerning. There are a few reasons why your Saab 9-4X may not be starting, such as a bad starter, a bad battery, bad alternator, and more.   Saab 9-4X Hesitates to Start: Causes Here are some of the most … Read more

Saab 9-4X:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Saab 9-4X’s sway bar to the chassis.  The job of a sway bar is to eliminate body roll by helping the tires keep better contact with the road, which improves the handling characteristics of your 9-4X.  If you have a bad sway bar link, your vehicle will … Read more

Saab 9-4X Shuts Down While Driving (Common Causes)

If your Saab 9-4X is shutting down while driving, it’s a real safety hazard.  Vehicles are a lot harder to control without power brakes or steering.   Saab 9-4X Shuts Down When Driving: Top Causes Directly below is a list of the most common reasons why your 9-4X would randomly die while driving.  It may … Read more

Saab 9-4X:  Brake Lights Not Working Diagnosis

Brake lights are one of the most critical safety features that your Saab 9-4X has.  They let other drivers know when you are slowing down, and that they need to slow down too.  If your brake lights aren’t working, you’re way more likely to get rear ended than normal.  The good news is that troubleshooting … Read more

Saab 9-4X: What’s Causing That Rotten Egg Smell?

One of the most undervalued diagnostic tools is the human nose.  There’s a lot our nose can tell us about a vehicle with a few quick sniffs.  If you happen to smell a rotten egg smell coming from your Saab 9-4X, it is certainly a cause for concern.  It is most commonly associated with a … Read more

Saab 9-4X Dies After Starting Diagnosis

It can be very disconcerting if your Saab 9-4X is starting and then dies.  It is most likely caused by some type of issue with the electrical or fuel system.  But, there can be other causes as well. Your 9-4X’s engine needs 3 things constantly and in the proper proportion to keep running. Air Fuel … Read more

Saab 9-4X: Brake Lights Stuck On → Diagnosis

It is both frustrating and unsafe to drive your Saab 9-4X if the brake lights are stuck on.  The most common reason that they stay on is a brake light switch that has failed.   How Brake Lights Work Brake lights work by having an electric current sent to the brake pedal switch at all … Read more

Saab 9-4X: Shaking When Accelerating → Diagnosis

One of the more common issues that can occur is a vehicle that shakes when accelerating.  If your Saab 9-4X 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