Nissan Versa Tech Tip: P0442, P0448, P0455 Or P0456
The MIL is “ON” with one or more of the following DTCs stored: P0442, P0448, P0455, P0456 and EVAP vent control valve is stuck open or will not seal when operated/closed.
Fuel Tanks And Filters: The Cleaner The Better
Fuel pump replacement comebacks can be costly and can hurt your reputation. One of the leading causes of failure is the tank. If a vehicle gets 20 miles to the gallon, then more than 5,000 gallons of gas (from many stations) will go through the tank in 100,000 miles. During this time, sediment, rust and debris from the pump can find its way into the tank.
Chevrolet Tahoe: Tachometer Unresponsive To Engine Speed
Too many vehicles in the shop? Don’t have time to perform a thorough diagnosis on each one? Use this Real Fix to thin the herd by diagnosing your customer’s vehicle that has a similar symptom. Vehicle 2003 Chevrolet Tahoe, 5.3L Complaint The customer states the vehicle’s tachometer does not respond to the change in engine
Reflash Confusion And Car Software Updates
According to J.D. Power, 189 recalls and more than 800 TSBs have been issued concerning reflashing or reprogramming over the past five years. These numbers do not include the random updates that seem to appear out of thin air on the OE service information websites. Some of us may see this as a problem. But, we should see this as an opportunity.
Spark Plugs: Choosing A Heat Range
Choosing a set of racing spark plugs for a particular application is not as easy as it sounds because the plugs have to be closely matched to the application. Stock plugs are fine for stock applications and ordinary driving conditions. But when an engine is modified to make more power and is run under racing conditions, a lot of things change inside the combustion chamber.
CARS And NACE: Training You Can’t Afford To Miss
CARS is no longer a training event. It is now an informational, strategic planning and networking event unlike any other. While there are classes, they have been restructured with a new model in mind.
Dodge/Chrysler Heater Hose “Y” Connector Prone To Cracking
Due to a high replacement demand, Gates engineers have developed a solution for the two-heater hose assembly “Y” connectors that are prone to cracking.
Toyota Tech Tip: Rough Idle And Stalling
Some 2007 model year Avalon, Camry, Camry HV, and Solara vehicles may intermittently stall at idle or set one or more of about six DTC codes.
Odors In The A/C: How To Troubleshoot Smells
If you know someone who tells you that his or her vehicle’s air conditioner blows out air that smells like the inside of an old gym sneaker when the A/C is turned on, they are not alone.
Head Gaskets: Q&A Session
Cylinder head gasket design has become more sophisticated than in years past. The following FAQs on head gaskets may give you a better understanding of why you need to pay attention when replacing a head gasket on a late model vehicle.
Why Does It Happen?
There are so many questions that need to be answered in our business. Some can be answered with a little background in engineering or technical information. Some can only be answered after a few visits with your local shrink. Other questions are just left in limbo for eternity.
Ford F-250: Check Engine Light, Code P0191
It’s OK to admit when you are stumped working on check engine light issues on F250s. You might not have figured out that the faulty powertrain control module caused fuel pressure to increase, which caused the engine to flood and the code P0191 to set. Don’t be afraid to seek help, and read this Real Fix to diagnose the vehicle.
