Tag Archives: Carthage New York

Why Does My Check Engine Light Keep Coming On

Why Does My Check Engine Light Keep Coming On

Why Does My Check Engine Light Keep Coming On. This is a question we get asked about frequently. The Check Engine Light is supposed to come on when the vehicles emission levels increase 1.5% above EPA emissions standards. The vehicles onboard computer is monitoring the sensors and the oxygen content in the exhaust. The PCM can correct for small problems such as engine wear and fuel quality to a certain extent. If a sensor sends back a reading that is higher than the emission standards the Check Engine Light comes on. When you take your vehicle to a shop to get checked out, they hook a scan tool to your vehicle. This helps to get the codes and a diagnostic starting point. One of the misconceptions that is out there is the scan tool tells you what part to replace and then your Check Engine Light will go off. While this may happen once in a great while the truth is that a lot of parts get replaced that don’t need to be and ends up costing you, the consumer a lot more money than ... read more

What Causes My Check Engine Light To Flash

What Causes My Check Engine Light To Flash

What Causes My Check Engine Light To Flash? There are quite a few reasons why your vehicle may have a Flashing Check Engine Light.  Something as simple as a bad Spark Plug could cause a Flashing Check Engine Light and your vehicle to have a What Causes My Car To Vibrate At An Idle. Even Though your Check Engine Light may be on or flashing and it has a code P0300 which comes on when the Engine Control Module detects a misfire. If it’s bad enough it will set another cylinder specific code, you still must diagnose why the Engine Is Misfiring. Depending on what is causing the Check Engine Light To Flash it can take very sophisticated test equipment to find the root cause of the problem. The best way to find the root cause of the problem is to use a lab scope with pressure transducers in the cylinder, intake, and exhaust. This is the only way to find sticking valves and lifters that intermittently collapse. If your vehicle has a Flashing Check Engine light or the Check Engine Lig ... read more

Why Does My Car AC Blow Hot AIR

Why Does My Car AC Blow Hot AIR

Why Does My Car AC Blow Hot Air? There can be several reasons for this to find the root cause special equipment needs to be used to diagnose the AC System. We will go over several reasons Why Does My Car AC Blow Hot Air. One of the simplest reasons is a plugged Cabin Air Filter that needs to be changed. This can also contribute to Why Does My Car AC Smell Condition. A Plugged Cabin Air Filter cuts down on the amount of airflow that comes out of the vents making the inside of the car feel warmer. One of the most common reasons you may experience Why Does My Car AC Blow Hot Air is a leak in the AC System. There are special tools that you need to use to find the leak. It is not a good practice to use sealer that are made to go in your AC System this can plug up the small passages in the AC Evaporator and AC Condenser leading to more problems down the road. Another common reason that you may experience Why Does My Car AC Blow Hot Air is a Failing AC Compressor. Late model cars use a flow c ... read more

Why Is My Diesel Blowing White Smoke

Why Is My Diesel Blowing White Smoke

Why Does My Diesel Blow White Smoke? There are several possibilities that this can happen. One of the things to pay attention too when your Diesel Truck Blows White Smoke is the color. If it’s white that will be caused by coolant leaking into a cylinder. If the smoke color is bluish white and burns your eyes this is caused by excess fuel in a cylinder. We will look at the reasons for White Smoke first. A leaking Cylinder Head Gasket could be a cause of this. Pay attention to how long the White Smoke lasts. If it’s gone in a couple minutes the head gasket is leaking when the engine is cold, then when you start your Diesel Engine it will Blow White Smoke and be gone in a couple minutes. This is a symptom of a Head Gasket that is failing and will need replaced. Another possibility of Why Does My Diesel Blow White Smoke is a cracked EGR Cooler on later model Diesel Engines. These things need to be checked first. These are the smaller thing that if you get fixed right ... read more

Why Is My Freightliner Smoking

Why Is My Freightliner Smoking

Why Is My Freightliner Smoking? This can be caused by multiple things. One simple reason that this could happen is a plugged air filter. A plugged air filter would not allow the engine to get enough air for fuel that is injected into the cylinder. On a late model Freightliner Truck with a DPF & SCR system on the truck you won’t see the black smoke. What you will notice is that your Freightliner Truck will be doing more Regeneration Events. Therefore, Maintenance on your Freightliner is important. Air and Fuel Filters need to be replaced on scheduled maintenance times so that these filters don’t get a chance to cause an issue. If your Freightliner Truck is in a Derate Mode, you need Detroit Diagnostic Link to be able to fix the problem correctly. We have the Detroit Engine Software to be able to Diagnose Your Check Engine Light. If you have a late Model Freightliner truck and can see smoke coming from the stacks, it’s possible that you have a cracked DPF Filter. We ... read more

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