Check Engine-Light

Things You Should Know About Your Check Engine Light! AutoPRO-Houston - 9103 Emmott Rd. - 832-877-1818 All modern vehicles have a computer or the ECM (Electronic Control Module) that controls the operation of the vehicle powertrain (the engine and transmission). The main purpose of this is to keep the engine running at the highest efficiency with the least possible emissions. The engine parameters are consistently adjusted according to conditions such as speed, load, engine temperature, gasoline quality, ambient air temperature, road conditions, etc. Today's cars have much more electronics than in early days - there are a large number of sensors and other electronic devices that help the vehicle computer or ECM to precisely control the engine and transmission operation and monitor emissions. The vehicle computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and your car needs to be looked at. To properly diagnose what is wrong, call AutoPro-Houston at 832-877-1818. Our techs are experienced and will hook up a scan tool to the car computer and retrieve the stored trouble code(s). We will then look up the code in our computer database and determine what test procedures will be necessary to properly repair the vehicle. The code itself doesn't tell exactly what component is defective - it only indicates where to look, what engine parameter is out of normal range. Our technician will have to perform further testing to pinpoint a defective part. Buyer Beware! When you take your vehicle to a parts store to have them pull your codes for free. They will often recommend you need to buy whatever part comes up. This is very often not the case. There is no substitute for a professional technician. In our Shop or Mobile Auto Repair Services Call for a free quote 832-877-1818 Engine Repair Computerized Engine Diagnostics Check Engine Lights Head Gaskets Intake Gaskets Valve Cover Gaskets Oil Pan Gaskets Manifold Gaskets Front Main Seals Rear Main Seals Long Blocks Distributors Fuel Systems Emission Controls Tune Ups Heating Water Pumps Heater Cores Radiators Thermostats Hose Replacements Block Testing (Head Gaskets) Pressure Testing (Cooling System) Air Conditioning Diagnostics Evacuate and Recharge Leak Detection Compressors Dryers / Orfice Tubes Condensers Evaporator Cores Heater Cores Automatic Trans/Transaxle Diagnostics Remove and Replace Output Shaft Seals Linkage Adjustments Computerized Controls Transfer Cases (R&R) Manual Drivetrain and Axles Diagnostics Clutch Kits Slave Cylinders Linkage Adjustments Computerized Controls Suspension and Steering Shocks and Struts Ball Joints Pitman Arms Idler Arms Control Arms Steering Column Repair Tie Rods Spindles Hub Assemblies CV Axles Power Steering Pumps Rack and Pinions Starting and Charging Ignition Lock Cylinders Ignition Switches Neutral Safety Switches Starters Voltage Drop Testing Parasitic Load Testing Alternators Alternator Output Testing Batteries Load Tests Compression Testing Spark Testing Fuel Pressure Testing Brakes Master Cylinders Brake Boosters Disc Brakes Drum Brakes ABS Preventative Maintenance 30,000 Mile Intervals 60,000 Mile Intervals 90,000 Mile Intervals Call for Details Chassis Electrical Component Testing Electric Locks Actuators Window Regulators Dash Panel Electrical Lighting System Steering Column Electrical Running Lights Shorts and Grounds Engine Electrical Computerized Engine Diagnostics Component Testing Vehicle Speed Sensors EGR Position Sensors MAP Sensors MAF Sensors MAT Sensors Knock Sensors Oxygen Sensors Coolant Sensors TPS Sensors Crankshaft Sensors Camshaft Sensors IAC Sensor...
Updated 1-Dec-2018
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