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Signs and symptoms that your car is getting brake problem

When you're driving along your way on a sunny day with your windows down and your radio volume up, it's easy to forget that you're driving a vehicle through space at 60-plus miles per hour.  If you suddenly needed to stop, your vehicle could take approximately the length of a football field (100 yards or 91 meters) to come to a standstill, if you've kept one of the most critical safety systems in your car well maintained, your brakes. Brakes may not be the sexiest part of a car, but they're certainly one of the most crucial.  Paying attention to the warning signs that indicate a need for service can mean the difference between life and death on the road. Of course, there are some obvious signs that your brakes need servicing, such as the brake light appearing on your car's dashboard or the feeling that your vehicle is taking longer to stop than it should. In either of these cases, you should visit your local mechanic for a brake check as soon as possible. But do you know what the other signs are that could indicate an ailing brake system?  Here, we deliver five that just may help you put the brakes on a serious accident in the future. 1- Worn Brake Pads Most cars use what are known as disc brakes. A hydraulic system filled with brake fluid triggers a set of padded clamps known as calipers, causing them to squeeze together on the brake disc. The friction that occurs between the pads and rotor eventually stops the car. Over time, as you can imagine, the pads will begin to wear thin, which means they'll become less effective at slowing and stopping your car. Fortunately, checking the thickness of your brake pads.  All you need to do is look between the spokes of your wheel to spot the shiny metal rotor inside. When you find it, look around the outer edge where you'll see the metal caliper. Between the caliper and brake disc, you'll see the pad. You'll have to estimate, but generally, your pads should be at least one-quarter of an inch thick. If they're any thinner than that, it's a good idea to get them changed. If your car wheel isn't designed in such a way that you can see through the spokes, you'll have to remove the tire to see the rotor and pads. In either case, while you're looking, it's also a good idea to inspect the brake disc itself. It should be relatively smooth. If you see any deep grooves or pits, it might be time to replace that, as well. 2- Strange Sound one of the warning signs that your brakes need servicing can come from a small indicator in your braking system that emits a high-pitched squeal when your pads need replacing. In addition to the squeal from the sensor, you'll also want to listen for a harsh grinding sound. This means that you've gone completely through your brake pads and now, when you apply the brakes, the metal of the calipers is grinding against the metal of your brake disc. Not only is this an ineffective way to stop your car, chances are good that you'll also damage the brake disc, th...

Brake System


Potential Causes of P0009 OBD Fault Code

This diagnostic trouble code (DTC) is a generic powertrain code. Although generic, the specific repair steps may vary depending on the make and model of your vehicle.   The Engine Control Module (ECM) tests for misalignment between both camshafts on one bank of the engine & the crankshaft. The misalignment would be at an idler sprocket for either bank or at the crankshaft. Once the ECM learns the position of both camshafts on one bank of the engine, the ECM compares the learned values to a reference value. The ECM will set a DTC if both learned values for one bank of the engine are exceeding a calibrated threshold in the same direction. You may also see this DTC in a vehicle that also has other related DTCs such as P0008, P0016, P0017, P0018 and P0019. Bank 2 refers to the side of the engine that doesn't contains cylinder #1. Most likely you will not see just this code, you will also have a P0008 code set at the same time.     Symptoms of a P0009 DTC may include: MIL (Malfunction indicator lamp) illumination Roughness while accelerating Poor fuel economy Decreased power Timing chain "noise"     Potential Causes of a P0009 code may include: Stretched timing chain Crankshaft reluctor wheel has moved and is no longer referenced to top dead centre (TDC) Timing chain tensioner problem   Solutions Generally, diagnosing and fixing this DTC will involve inspecting the timing chains and tensioners for excessive wear or misalignment, and inspecting the crank wheel for proper positioning. Then replacing parts as required. As said earlier, there are known issues with some GM engines so there may be updated or revised replacement parts. Please consult a factory service manual for more vehicle make & model specific troubleshooting steps....

P0008 , P0016 , P0017 , P0018 , P0019


Potential Causes of a P0008 OBD Fault Code

P0008 Engine Positions System Performance Bank 1 OBD-II Trouble Code Technical Description This diagnostic trouble code (DTC) is a generic powertrain code. Although it's generic, the specific repair steps may vary depending on make and model. The Engine Control Module (ECM) tests for misalignment between both camshafts on one bank of the engine & the crankshaft. The misalignment would be at an idler sprocket for either bank or at the crankshaft. Once the ECM learns the position of both camshafts on one bank of the engine, the ECM compares the learned values to a reference value. The ECM will set a DTC if both learned values for one bank of the engine are exceeding a calibrated threshold in the same direction   You may also see this DTC in a vehicle that also has other related DTCs such as P0009, P0016, P0017, P0018 and P0019. Bank 1 refers to the side of the engine that contains cylinder #1.     Symptoms Symptoms of a P0008 DTC may include: MIL (Malfunction indicator lamp) illumination Roughness while accelerating Poor fuel economy Decreased power Timing chain "noise"     Potential Causes of a P0008 code may include: -         Stretched timing chain -         Crankshaft reluctor wheel has moved and is no longer referenced to top dead centre (TDC) -         Timing chain tensioner problem     Possible Solutions If your vehicle is new enough that it still has powertrain warranty left, by all means, let the dealer perform the fix. Generally, diagnosing and fixing this DTC will involve inspecting the timing chains and tensioners for excessive wear or misalignment, and inspecting the crank wheel for proper positioning. Then replacing parts as required.  There are known issues with some GM engines so there may be updated or revised replacement parts. Please consult a factory service manual for more vehicle make & model specific troubleshooting steps....

P0009 , P0016 , P0017 , P0018 , P0019


Symptoms of P0005 OBD Fault Code

The P0005 DTC code is generic, so that means it applies to all makes of vehicles. It's a very rarely seen DTC. Symptoms Symptoms of a P0005 DTC will include MIL (Malfunction indicator lamp) illumination, although there may be other symptoms. Potential Causes Well there is little to no good information on this code. The "Fuel Shutoff Valve "A" Control Circuit/Open" indicates it may be an open circuit in the electrical system on the fuel shutoff valve control. Solutions Please consult a factory service manual for more specific troubleshooting steps.

P0005


Potential causes of this engine code P0001

This diagnostic trouble code is a generic powertrain code, which means that it applies to OBD-II equipped vehicles, including but not limited to Ford, Vauxhall, VW, Mazda, etc. A P0001 is not a very common trouble code and is more often seen on common rail diesel or diesel engine, and gasoline direct injection equipped vehicles. This code relates to the electrical system as part of the fuel volume regulator system. Automotive fuel systems consist of many components, the fuel tank, fuel pump, filter, lines, injectors, etc. One component in high-pressure fuel systems is a high-pressure fuel pump. Its job is to increase the fuel pressure for the very high pressure needed at the fuel rail for the injectors. These high-pressure fuel pumps have a low-pressure side and high-pressure side, and a fuel volume regulator which controls the pressure. For this P0001 code, it refers to an electrical reading that is "open".   Symptoms of a P0001 DTC may include: Malfunction indicator lamp illumination Vehicle won't start Limp mode enabled or lack of power   Potential causes of this engine code P0001 may include: Failed fuel volume regulator solenoid Fuel Volume Regulator wiring harness, electrical problem like wiring short, corrosion, etc.   Solutions for P0001 fault First, check for known Technical Service Bulletins (TSBs) for your year/make/model. If there is a known TSB that addresses this issue, it can save you time & money during diagnosis. Next, you'll want to visually inspect the wiring and connectors on the fuel volume regulator circuit and system. Look for obvious breaks in the wires, corrosion, etc. Repair as necessary. The fuel volume regulator is a two-wire device with the wires both going back to the PCM. You should not apply direct battery voltage to the wires or you could damage the system. Refer to a factory service manual for more specific troubleshooting steps for your car year, make, model and engine.

P0001 , P0002 , P0003 , P0004


What does P2700 Transmission friction element mean?

The P2700 is a generic powertrain diagnostic trouble code (DTC) and typically applies to OBD-II vehicles that have an automatic transmission. Transmission friction element:  Pretty vague description given the fact that there are numerous friction elements involved when you consider the mechanical operation of an automatic transmission. Not to mention manual transmissions also use similar friction materials (i.e. clutch).  In this case, I suspect we are referring to an Automatic Transmission. The symptoms and causes vary significantly depending on many things but it is important to note, the first thing to consider is the overall health of the automatic transmission and especially your Automatic Transmission Fluid.  Problems with internal friction materials in the Automatic Transmission most likely will cause erratic driving conditions as far as shift timing, torque output, among countless other consequences to this fault are concerned. Abnormally paired tires, inadequately inflated tires, things of this nature tend to cause internal slippage given its unsymmetrical circumstances. Keep this in mind when considering the drivetrain's functionality and troubleshooting any faults.  Install a used tire lately? Same size? Check the tire’s sidewall to verify this. Sometimes, minor differences can cause indirect issues such as this. Typically, when the ECM (Engine Control Module) activates this P2700 code and related ones, it has proactively been monitoring and adjusting other sensors and systems to ensure proper self-diagnosis.  So, rest assured, you need to address this before your daily driving needs consequently cause further potential issues.  This may be a simple fix, it may also be a complex internal electrical malfunction (i.e. short, open, water intrusion).  You may be dealing with a specific circuit/wire or you may be dealing with a specific friction element within the transmission. Code P2700 is logged by the ECM when it detects that the internal "A" friction element inside the transmission is experiencing a general problem with its performance.  What is the severity of this DTC?  As explained earlier, this isn't something that I would leave unattended, especially if you are actively using the vehicle with said fault(s) present.   What are some of the symptoms of the code?  Symptoms of a P2700 trouble code may include: Uneven handling Transmission slipping Erratic shifting Abnormal shift patterns Harsh shift selection Automatic Transmission Fluid(ATF) leak Low torque Abnormal power output. What are some of the common causes of the code?  Causes for this P2700 friction element slip code may include:  Low Automatic Transmission Fluid Worn friction element (internal)  Dirty Automatic Transmission Fluid Causes Wiring issue (e.g. open, short, chafe, heat damage)  Uneven tire sizes Issue causing uneven rotational speed/circumference (e.g. low tire pressures, brake stuck on, etc...

P2700 , Transmission friction


00003 - Control Module OBD Fault

Audi from 2003 to 2013 instrument cluster fualt is a very common failure, the most common symptom is an intermittent or complete loss of instruments that also prevents the engine from starting due to the immobiliser system running through the instrument cluster. Less common symptoms include warning lights remaining on even when the key is removed, flickering instrument lights and/or resetting of the date, time or trip mileage.     Common Failure symptoms:       Failure of all instruments.     Engine will not start     Warning light remain on even with key removed     Unable to communicate with the instrument cluster       Common fault codes:       00003 - Control Module Defective     11646 - Immo Control Unit Defective     16346 - Control Module ROM Error 014 Defective     01DA - Access System/Immobiliser Control Unit No Signal     00525 - Instrument Cluster     00532 - Supply Voltage     00447 - Function Limitation Due To Excessive Voltage     P1643 - Central Electronics Control Unit   U0155 - Lost Communication With Instrument Panel Cluster (IPC) Control Module     Insturment Cluster Part Numbers: 8P0920931S, 8P0920950D, 8P0920950J, 8P0920950T, 8P0920951D, 8P0920951G, 8P0920951H, 8P0920952A, 8P0920952D, 8P0920952G, 8P0920980H, 8P0920980HX, 8P0920980J, 8P0920980M, 8P0920980Q, 8P0920980T, 8P0920981B, 8P0920983G, 8P0920901K, 8P0920982EX, 8P0920951B, 8P0920982CX, 8P0920932G, 8P0920981M, 8P0920981D, 8P0920981F, 8P0920981G, 8P0920981K, 8P0920982C, 8P0920982D, 8P0920982E, 8P0920982H, 8P0920982J, 8P0920982JX, 8P0920982M, 8P0920982Q, 8P0920983, 8P0920983A, 8P0920983B, 8P0920930F, 8P0920932NX, 8P0920950KX, 8P0920982K, 8P0920981EX, 8P0920952F, 8P0920902B, 8P0920930G, 8P0920951S00003 -       Control Module: Defective Possible Causes: -Control Module faulty -Control Module Software Issue     Possible Solutions: -Check Control Module -Check for Control Module Software Update -Replace Control Module         11646 - Immobiliser Control Unit Defective   1 - Immobiliser control module not connected (wiring, reader coil connection, control module connection etc)   2 - Immobiliser control module not working correctly (duff Immobiliser module)   3 - Key code not received or key programming failed (faulty key or key obscured)   4 - Partial key code received (faulty or obscured key)   5 - Key not programmed into Immobiliser module (reprogram or try different key)   6 - Faulty link between Immobiliser module and ECU (wiring fault)   7 - Less than three keys programmed (program more keys as necessary)   8 - ROM error - no ECU ID stored (duff ECU)   9 - ECU ID mismatch (duff ECU)   10 - Code transmission error between Immobiliser control unit and ECU (wiring or ECU programming error)   11 - ECU/Immobiliser control unit comms - no response from ECU (wiring, Immobiliser control module)   12 - Common error (wiring, duff ECU or duff Immobil...

Instrument Cluster , Speedo Meter


Do’s and Don’ts of scraping a vehicle

When your vehicle has reached the end of its usefulness, you must get it scrapped at an authorised treatment facility (ATF). These are usually known as a scrapyard, breaker’s yard and dismantlers. But before you head to a scrapyard you can take a private (personalised) number off a vehicle if you want to either if you keep the number to use later or assign it to another vehicle instantly. The vehicle’s original registration number is usually reassigned to it automatically when you take off a private number. You can apply online or by post. It costs £80. You must have the vehicle’s log book (V5C).     Where you can scrap your vehicle Find an authorised treatment facility (ATF) or scrap yards in your area where your vehicle can be scrapped.   When the ATF has your vehicle, they can decide to completely dismantle it for parts or metals  -  repair and sell it themselves It’s illegal to scrap your vehicle anywhere else.   If your vehicle is scrapped the ATF will give you a ‘certificate of destruction’ within 7 days if you’ve scrapped a car, light van, 3-wheeled motor vehicle (but not a motor tricycle). You will not get a certificate for other types of vehicle. Only Authorised Treatment Facilties can issue Certificate of Destruction. The certificate is proof that you’ve handed over the vehicle for scrap. If you do not have it, you could still be liable for traffic offence penalties, vehicle tax and keeping uninsured vehicle. Being paid for your scrapped vehicle The Scrap yard will pay you the scrap value of your vehicle. It’s illegal to be paid in cash if your vehicle is scrapped in England or Wales. You have to be paid by bank transfer or cheque nad you have to get fully paid before you let the vehicle is taken away from your address if they arrange collection....

scrap a car , breaker yards


Common Reasons and Symptoms of Engine Control Module (ECM) Problems

Common Reasons and Symptoms of Engine Control Module (ECM) Problems   The engine control module (ECM), also commonly referred to as the engine control unit (ECU) or Powertrain control module (PCM), is one of the most important components found on virtually all modern vehicles. It essentially functions as the main computer for many of the vehicle’s engine performance and drivability functions. The ECM takes the information from the engine's various sensors and uses that information to calculate and tune engine spark and fuel for maximum power and efficiency.   Corrosion and moisture Corrosion or damage due to moisture is one of the main reasons for ECM failure. Corrosion can enter the ECM through the wiring harness and moisture can enter by a failure in the seals in the ECM itself. This happens over a period of time (5 to 10 years) due to the ECMs exposure to the elements.   Fuel solenoid The electronic fuel solenoid is also a main reason for failure in the ECM. The solenoid can cause a short in the ECM due to corrosion in the solenoid or the wire running from the solenoid to the ECM harness. The electronic fuel solenoid is located at the top of the fuel pump. The solenoid seems to fail due to corrosion as fast as or faster than the ECM. If your truck is running fine then you shut your engine off and it won’t restart then this is a good indication that the starter has shorted out the ECM.   Injector wiring harness The third thing that can cause failure in the ECM is the Injector wiring harness or the sensor wiring harness. Once again corrosion or breaks in the internal wiring in the harness can cause a short in the ECM or corrosion can enter the ECM through the wiring harness. Again this is caused by exposure to the elements.   Grounding issues Another issue that can cause failure in the ECM is poor grounding. This can be the result of loose or corroded ground wires to the battery or the frame. This is especially problematic in the Celect Plus model.   Starter Motor Replacing the starter motor with the wrong model starter is becoming a big problem with the Celect Plus ECMs. Many starter rebuilders will bypass the override sensor in the starter. The override sensor regulates the voltage going to the ECM so when the override sensor is bypassed you will get voltage problems in the ECM and it can generate fault codes or other problems. If you only started having problems with your ECM after installing a starter then the starter is most likely the root of your problem.   Dead battery cells Dead cells in batteries can cause failure in the ECM. Many times a battery is left in the rig long after a cell has died. This affects the grounding in the battery.   Jump start If the vehicle has been jump started recently and the cables were connected improperly this can cause a spike in your ECM and cause it to short out. A bad jump can also blow out 2 amps which are located between the ECM and the firewall.   Common signs of ...

faulty ECM


What Are Car Engine Sensors, and What Do They Do

What Are Car Engine Sensors, and What Do They Do? The engine computer, or Electronic Control Module (ECM) and its associated sensors control almost every aspect of engine performance. The following glossary of terms defines 17 of the most common sensors and other components found on a modern, computer-controlled automobile.   Coolant Temperature Sensor (CTS) Measures the temperature in the cooling system, so the computer may make adjustments based on the engine's operating temperature. CTS can also control the dashboard warning light.   Crankshaft or Camshaft Position Sensor Monitors the rotation of the engine and tells the computer exactly when to trigger the fuel injectors or the ignition spark.   Detonation (Knock) Sensor Knock Sensor listens for engine "ping" so the computer can retard spark timing, and thereby reduce emissions and overheating.   Electronic Control Module (ECM Computer) ECM controls spark timing, fuel delivery and emission controls. Continuously receives signals from sensors and input devices on or near the engine; send control signals to valves, controllers and other output devices. Stores trouble codes and warns driver when service is needed.   Exhaust Gas Recirculation (EGR) Valve Recirculates a measured amount of exhaust gas into the engine's air intake to lower combustion temperatures and reduce emissions, especially NOx.   EGR Valve Position Sensor EGR detects the opening of the EGR valve so the computer can make adjustments to optimize performance.   Fuel Injector Injects fuel into the intake manifold. The computer tells the injector exactly when and how much fuel to inject in order to produce the needed amount of power.   Idle Speed Control Actuator Adjusts the idle speed as dictated by the computer, to prevent idle fluctuations and keep emissions low.   Manifold Absolute Pressure (MAP) Sensor MAP reads a change in manifold pressure. The computer uses this information to adjust timing advance and air / fuel ratio.   Mass Air Flow (MAF) Sensor MAF measures the mass of the air drawn through the engine's air intake, so the computer can compensate for altitude and temperature changes.   Positive Crankcase Ventilation (PCV) Valve Recirculates partially burned gases from the crankcase into the combustion chamber to improve fuel economy and reduce emissions while preventing the buildup of sludge and corrosion.   Oxygen Sensor LAMBDA measures the percentage of oxygen in the exhaust, and tells the computer whether the fuel/air mixture is too rich or too lean.   Throttle Position Sensor (TPS) TPS monitors the position of the accelerator pedal and throttle linkage so the computer can make accurate air/fuel mixture adjustments. ...

Car Engine Sensors , sensor


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