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Serving NW Houston, Cypress, Spring, Tomball, Bryan/College Station & Greater Houston

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Things You Should Know About Your Check Engine Light!

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 ProMobile. 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.

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Mobile Auto Repair Services Provided

Call for a free quote 936-463-8920

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
Fuel Systems
Emission Controls
Tune Ups

Water Pumps
Heater Cores
Hose Replacements
Block Testing (Head Gaskets)
Pressure Testing (Cooling System)

Air Conditioning
Evacuate and Recharge
Leak Detection
Dryers / Oriface Tubes
Evaporator Cores
Heater Cores

Automatic Trans/Transaxles
Remove and Replace
Output Shaft Seals
Linkage Adjustments
Computerized Controls
Transfer Cases (R&R)

Manual Drivetrain and Axles
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
Hub Assemblies
CV Axles
Power Steering Pumps
Rack and Pinions

Starting and Charging
Ignition Lock Cylinders
Ignition Switches
Neutral Safety Switches
Voltage Drop Testing
Parasitic Load Testing
Alternator Output Testing
Load Tests
Compression Testing
Spark Testing
Fuel Pressure Testing

Master Cylinders
Brake Boosters
Disc Brakes
Drum Brakes

Preventative Maintenance
30,000 Mile Intervals
60,000 Mile Intervals
90,000 Mile Intervals
Call for Details

Chassis Electrical
Component Testing
Electric Locks
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 Sensors

Roadside Assistance
Tire Changes
Battery Service
Jump Starts
Fuel Delivery
Lockout Service
Mechanical Repairs


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ProMobile Automotive, 12620 FM 1960 W. Suite A4 Houston, Texas 77065 (936) 463-8920

Serving Greater Houston including Bellaire, Bunker Hill, Clear Lake Shores, Cypress, Hockley, Hempstead, Jersey Village, Downtown Houston, Friendswood, Kingwood, Hunters Creek, Hedwig, Highlands, Hockley, Humble, Katy, Magnolia, Missouri City, Pearland, Prarie View College, Pasadena, Stafford, Sugarland, South Houston, Spring, Tomball, Woodlands, Waller and West University. Also serving Bryan/College Station including Caldwell, Calvert, Franklin, Hearne, Somerville, Bremond, Snook, Kurten, Millican, Wixon Valley, Chriesman, Deanville, Easterly, Frenstat, Hammond, Lyons, Mumford, New Baden, Ridge, Tidwell Prarie,Wellborn and Wheelock.

2012 ProMobile Automotive