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Learn what a P1345 code means, the most common causes and fixes A P1345 is defined as Camshaft Position Correlation. In the old days distributors were driven off of a gear on the camshaft. That camshaft was driven by a chain or gear from the crankshaft and that allowed the distributor to deliver spark at just the right moment in time with the piston position. In this case, the ECM is seeing a problem that makes it believe the camshaft is out of time with the crankshaft. How does it … Read More
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Learn what a P0030 code means, the most likely causes, and how to diagnose and fix the problem A P0030 code is defined as an HO2S Heater Control Circuit (Bank 1 Sensor 1). This is a generic code, as opposed to a manufacturer-specific code, and it pertains to the heater circuit for the upstream oxygen sensor. The upstream oxygen sensor is located before the catalytic converter and is used to monitor oxygen in the exhaust stream, as opposed to the downstream oxygen sensor which monitors catalytic converter efficiency. Why the … Read More
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Manufacturer Specific U Codes for GM List of Manufacturer Specific U Codes for GM. U2000 Invalid BFC Transmitted SPI Data U2001 Invalid IPC Transmitted SPI Data U2002 SPI Data-In Low U2003 SPI Data-In High U2004 SPI Data-Out Low U2005 SPI Data-Out High U2006 SPI Clock-Out Low U2007 SPI Clock-Out High U2050 SIR PPS/CPS Communications Link malfunction U2100 CAN Bus OFF U2100 CAN-BUS Communication Malfunction U2102 More Controllers on Bus than Programmed U2103 Fewer Controllers On Bus Than Programmed U2104 CAN Bus Reset Counter Overrun U2105 CAN Bus Error ECM U2105 … Read More
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Learn why not driving for a month or more causes tire flat spots Tire flat spots are a common issue when your vehicle is parked in one place and not used for a month or more. This is more common if you’ve driven the vehicle, warmed up the tires, and then park it in cold weather. This is caused by the warm nylon cap in the tire cooling down and taking a “set.” Later, when you drive, you’ll feel a thumping from this flat spot. In most cases, the flat … Read More
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Learn how long it takes for flat spots on tires to smooth out If you leave your car parked unused for a month or longer, it’s not uncommon for flat spots to form on your tires. Then, once you start driving you might feel a vibration as the flat spot touches the road. In most cases the flat spots on tires smooth out within about 20 minutes of highway driving. It’s the warm-up from driving that removes the “set” of flat spotting. What causes flat spots on tires Most modern … Read More
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Learn how to fix an Ecoboost 3.5L Burning Oil Problem Ford has issued a service bulletin to address a problem with the Ecoboost 3.5L burning oil. The TSB 19-2232 applies to vehicles with the 3.5L Ecoboost Engines Built On Or Before April 1, 2019. The bulletin applies to the vehicles listed below. The Ecoboost 3.5L Engine may have excessive oil consumption with no visible oil leaks. In addition, it may or may not have a  P0365 and/or P0369 trouble code. The Ecoboost 3.5 oil burning problem is caused by a … Read More
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Fix a bad TIPM by getting yours rebuilt from one of these TIPM rebuilders The Totally Integrated Power Module (TIPM) is a critical component in many Chrysler, Dodge, and Jeep vehicles. The TIPM is a fuse box, relay box and electronic module all in one. It houses all of the important fuses and power relays in the vehicle. Unfortunately, TIPM failure is a common problem. When it fails, it can cause all kinds of electrical problems. You can’t fix it yourself. You have two choices; buy a new one from … Read More
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A speed density air-fuel system works differently than a mass airflow system. Learn how it works and what can go wrong A speed-density air-fuel system is a type of electronic fuel injection system that calculates the amount of fuel to be delivered to the engine based on the engine’s speed and manifold absolute pressure (MAP). The system uses a MAP sensor to measure the air pressure in the intake manifold and the engine’s speed to calculate the engine’s airflow. The computer then uses this information to determine how much fuel … Read More
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Learn why carmakers use a brake booster electric vacuum pump Most vehicles use a vacuum brake booster to provide power braking. In the past, the vacuum assist was provided by engine manifold vacuum. But all that’s changed with the newer, smaller engines, turbochargers, and EVs. In fact, EVs don’t produce any vacuum or have hydraulic power steering that could provide hydraulic pressure for a hydroboost braking system. Due to the lack of manifold vacuum, carmakers have added a brake booster electric vacuum pump to supply the needed vacuum. Newer engines … Read More
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Learn the most common symptoms of a bad brake booster vacuum pump Carmakers use a brake booster electric vacuum pump to supply vacuum to operate the brake booster on vehicles with small displacement engines or engines equipped with a turbocharger. A bad electric brake booster vacuum pump can fail in predictable ways. Here’s a list of the most common booster vacuum pump symptoms A stiff brake pedal is the most common symptom One of the first symptoms of a potential problem with the brake booster vacuum pump is a stiff … Read More
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