Troubleshooting the P0120 Error Code in Your 2003 Chevy Silverado

The P0120 code is a generic trouble code indicating an issue with the Throttle/Pedal Position Sensor/Switch “A” Circuit. This code applies to the Chevy Silverado 2003 model. The Throttle/Pedal Position Sensor/Switch “A” Circuit is responsible for monitoring the position of the accelerator pedal, which then relays this information to the Engine Control Module (ECM). When this circuit fails, it may cause several issues, including a reduction in engine performance, increased fuel consumption, and even engine stalling. Diagnosing and repairing this issue requires specialized tools and knowledge and should be handled by a qualified mechanic or technician.

Chevy Silverado 2003 – Overview

The Chevy Silverado 2003 is a full-size pickup truck manufactured by Chevrolet. It offers a wide range of features, including a powerful V8 engine, advanced safety systems, and plenty of room for cargo and passengers. The Silverado is known for its durability and reliability, making it an ideal choice for those who need a rugged workhorse or a dependable family vehicle.

Design and Features: The Silverado was redesigned in 2003, featuring an updated exterior design that includes bold lines, aggressive styling, and a distinctive front grille. Inside the cabin, there is plenty of space for passengers and cargo with comfortable seating for up to six people. Standard features include air conditioning, power windows and locks, cruise control, CD player, and tilt steering wheel. For added convenience, the truck also offers optional features such as leather interior trim, power sunroofs, keyless entry system, remote start system.

Performance: The Chevy Silverado 2003 comes equipped with a 5.3L V8 engine that produces 285 horsepower and 325 lb-ft of torque. It has a maximum towing capacity of 8200 lbs when properly equipped. The engine is mated to either a four-speed automatic transmission or five-speed manual transmission depending on the trim level selected. It also has four-wheel drive with two-wheel drive as an option on some models. The suspension system includes front independent suspension with coil springs and rear leaf springs which provide good handling and ride comfort in any condition.

Chevrolet Silverado 2003 – Technical Specifications

Engine Specifications: The 5.3L V8 engine comes with variable valve timing (VVT) technology which improves fuel economy while providing excellent power delivery and durability over long periods of time. It also features Active Fuel Management technology which allows the engine to switch between eight and four cylinders depending on driving conditions in order to reduce fuel consumption when not in heavy use.

Transmission Specifications: The Chevy Silverado 2003 comes standard with either a four-speed automatic transmission or five-speed manual transmission depending on the trim level selected. Both transmissions have been designed to provide smooth shifting performance as well as improved fuel economy over traditional manual transmissions when coupled with the 5.3L V8 engine .

Braking System Specifications: The braking system consists of power assisted disc brakes at all four wheels which offer excellent stopping power in any condition along with ABS (anti-lock braking system) to help prevent skidding during sudden stops or emergency braking situations .

Suspension System Specifications: The suspension system consists of independent MacPherson struts at the front axle along with semi-elliptic two stage multi leaf springs at the rear axle which provide good handling characteristics even under heavy loads . Additionally , shock absorbers are also present to enhance ride comfort while reducing body roll during cornering maneuvers .

Chevy Silverado 2003 – Exterior Features

Bumpers And Grille : The bumpers are made of durable steel construction for added protection against minor scrapes and dents while the grille has been designed to give the truck an aggressive look . Additionally , fog lamps can be installed optionally for better visibility in bad weather conditions . Lights And Mirrors : Standard equipment includes halogen headlamps , cornering lamps , side view mirrors , parking lamps , tail lamps , turn signals , brake lights etc . All these components have been designed using advanced lighting technology that improves visibility without compromising safety standards . Wheels And Tires : Alloy wheels are available optionally while standard equipment includes steel wheels wrapped in high quality tires that provide excellent grip on both wet surfaces as well as dry roads . Body Style Options : Three body style options are offered – regular cab , extended cab (crew cab ) & chassis cab – each one offering its own unique set of benefits according to individual needs .

Chevy Silverado 2003 – Interior Features

Seating Capacity And Comfort : Depending upon body style chosen , seating capacity ranges from three persons up till six persons . All seats feature high quality fabrics for added comfort along with adjustable headrests for better ergonomics . Dashboard And Storage Space : A sophisticated dashboard layout provides plenty of storage space as well as easy access to instruments & controls located around it without having to search through multiple menus & settings . Entertainment System And Safety Measures : An audio unit featuring radio & CD player is standard across all models while satellite radio & DVD player can be installed optionally if desired . Additionally , active safety features such as dual front airbags & side curtain airbags improve occupant safety significantly during accidents or collisions without compromising on ride comfort levels even during long journeys .

Chevy Silverado 2003 – Pros & Cons

Benefits Of Owning A Chevy Silverado 2003 : Durability & reliability make it an ideal choice for those who need a rugged workhorse or dependable family vehicle ; powerful V8 engine provides ample torque ; advanced safety systems keep occupants safe ; wide range of exterior/interior design options available; comfortable seating makes it great for long trips ; built tough enough for off road adventures Drawbacks Of Owning A Chevy Silverado 2003 : Poor fuel economy; less interior space compared to other full size pickups; expensive repairs if something goes wrong; limited traction control capabilities; low ground clearance makes it difficult to navigate off road terrain

Chevy Silverado 2003 Overview

The Chevy Silverado 2003 is a full-size pickup truck produced by the Chevrolet division of General Motors. It was introduced in 1999 and has been a popular choice for those who need a reliable and powerful vehicle for work or play. It features a 4.8-liter V8 engine that produces 285 horsepower, giving it plenty of power to tow heavy loads or traverse rough terrain. The Silverado also comes with a variety of convenience features, including air conditioning, power windows and locks, and an adjustable steering wheel. It also has great safety features, such as side-impact airbags and antilock brakes.

Main Features of Chevy Silverado 2003

The Chevy Silverado 2003 offers plenty of features that make it an attractive option for drivers. Its 4.8-liter V8 engine provides plenty of power to tackle tough jobs and it has a rugged design that can handle tough terrain. It also comes with several convenience features such as air conditioning, power windows and locks, adjustable steering wheel, cruise control, CD player and more. The interior is roomy and comfortable with supportive seating for five adults. The truck also has plenty of cargo space in its bed as well as in its cab.

Safety Features for Chevy Silverado 2003

The Chevy Silverado 2003 comes standard with several safety features that make it a great option for drivers who are looking for an extra layer of protection on the road. It has side-impact airbags to provide extra cushioning in the event of an accident and antilock brakes to help keep drivers in control when they need to stop quickly in an emergency situation. The truck also has traction control to help keep it stable on slippery surfaces, as well as daytime running lights so that other drivers can see you more easily during the day.

P0120 Code on Chevy Silverado 2003

The P0120 code is a generic diagnostic trouble code (DTC) that indicates there is an issue with the throttle position sensor (TPS) on your Chevy Silverado 2003. This code can be triggered by any number of issues ranging from loose connections to faulty wiring or even bad sensors themselves. If this code appears on your dashboard then you should take your vehicle into your mechanic immediately so they can properly diagnose the issue before any further damage occurs to your vehicle’s engine or drivetrain components.

Maintenance Tips for Chevy Silverado 2003

Owning a Chevy Silverado 2003 requires regular maintenance in order to keep it running smoothly and reliably over time. One important maintenance task is scheduling regular oil changes which should be done every 3,000 miles or six months depending on how much you use your truck on a daily basis. Other regular maintenance tasks include checking tire pressure regularly, cleaning out the air filter every 30,000 miles or so, replacing spark plugs every 100,000 miles or so and changing the transmission fluid every 50,000 miles or so depending on how much you use your truck on a daily basis.

Cost Of Owning A Chevy Silverado 2003

The cost of owning a Chevy Silverado 2003 will vary depending on how much you use it but typically involves both upfront costs such as insurance premiums or registration fees as well as ongoing costs such as fuel costs or maintenance fees over time. Upfront costs may include things like buying new tires when needed while ongoing costs may include oil changes every 3 months or so along with regular tune-ups throughout the life of the truck’s ownership period . Additionally, depreciation can be factored into ownership costs since older models tend to depreciate quickly over time due to their age and lack of modern technology compared to newer vehicles on the market today .

Comparisons Between Other Models Of Chevy Silverados

When comparing different models of Chevy Silverados it is important to consider several factors such as price point , performance capabilities , fuel efficiency , interior comfort , exterior styling , safety ratings , reliability ratings , etc . For example when comparing 2002 vs .2003 models , one might consider differences between them such as engine size (4 .3L vs 4 .8L) power output (200HP vs 285HP) fuel economy (14/19 mpg vs 15/19 mpg) cargo capacity (7 ft bed vs 8 ft bed ) etc . Similarly when comparing 2004 vs . 2005 models one might consider differences between them such as redesigned exterior styling updated interior features improved handling better braking performance etc .

Common Problems With The Chevy Silverado 2003

The most common problems reported by owners about their Chevrolet Silverados are related primarily to mechanical issues such as engine stalling poor starting noisy operation transmission slipping noises from underneath suspicious odors from exhaust irregular idle speed etc . Electrical issues are also commonly reported which could include anything from dim headlights flickering gauges difficulty starting due to low battery voltage etc . If any electrical issue occurs then owners should take their vehicle into their mechanic immediately so they can diagnose what is wrong before any further damage occurs .

Accessories For The Chevy Silverado 2003

There are many aftermarket accessories available for owners who wish to customize their Chevrolet silverados including items like wheels rims exhaust systems lighting kits performance parts grille guards tonneau covers chrome trim accessories bumpers roof racks winches snow plows tool boxes etc . Additionally there are many customization options available at local auto shops which could range from body kits suspension upgrades interior trim kits window tinting custom paint jobs audio systems etc allowing owners to truly make their trucks unique without spending too much money doing so

FAQ & Answers

Q: What are the design features of a Chevy Silverado 2003?
A: The Chevy Silverado 2003 features a classic two-tone finish, with chrome bumpers, grille and mirrors. It also features body style options such as extended cab and crew cab. The interior features seating for up to six people and includes a dashboard with storage space. Entertainment systems and safety measures are also included.

Q: What are the performance specifications of a Chevy Silverado 2003?
A: The Chevy Silverado 2003 comes with a 4.3L V6 engine, producing 195 horsepower at 4600 rpm and 260 lb-ft of torque at 2800 rpm. It is available with either a 4-speed automatic transmission or 5-speed manual transmission. It also has braking system specifications that include four-wheel ABS brakes and 16 inch wheels with 275/65R16 tires. The suspension system consists of front independent coil springs with stabilizer bar, and rear multi-leaf springs for improved stability and handling.

Q: Are there any benefits of owning a Chevy Silverado 2003?
A: Yes, there are several benefits to owning a Chevy Silverado 2003. These include its durable construction, reliable performance, attractive two-tone finish, spacious interior, entertainment system, and advanced safety measures. Additionally, it is economical to own due to its fuel efficiency and low maintenance costs.

Q: What should I consider when buying a used Chevy Silverado 2003?
A: When buying a used Chevy Silverado 2003 it is important to consider the condition of the car including its mileage, exterior wear and tear, interior condition, engine performance and any existing repairs or upgrades that have been done on the car. Additionally you should have the vehicle inspected by an experienced mechanic before making your purchase in order to identify any potential issues or problems that could arise in the future.

Q: Are there any aftermarket parts available for my Chevy Silverado 2003?
A: Yes, there are several aftermarket parts available for your Chevy Silverado 2003 including suspension components such as shocks and struts as well as brake pads and rotors. Additionally custom wheels can be installed along with custom exhaust systems as well as interior accessories such as seat covers or audio systems.

The Chevy Silverado 2003 is a reliable and dependable truck that has been around for many years. It is a great choice for anyone looking for a reliable truck that will last for years to come. The Silverado offers great value for money, with its powerful engine and comfortable interior, making it the ideal choice for anyone looking for an affordable, dependable truck. With its strong performance and excellent features, the Chevy Silverado 2003 is the perfect choice for anyone looking for a reliable and dependable vehicle.

Author Profile

Carl Frisch

With more than 30 years in the bicycle industry, I have a strong background in bicycle retailing, sales, marketing and customer service. I have a passion for cycling and a dedication to excellence. As a manager, I worked diligently to increase my capabilities and responsibilities, managing up to eleven mechanics (at Palo Alto Bicycles) and later as a working partner in my own store.

As the shop owner of Spoke n’ Word Cycles in Socorro, NM, the success of the mission was my responsibility, which I pursued passionately since we opened in 2003 through the spring of 2011. I am adept at managing owned and loan inventory, preparing weekly & annual inventory statements, and managing staff. The role as managing partner also allowed me tremendous freedom. I used this personal freedom to become more deeply involved in my own advancement as a mechanic, to spearhead local trail building, and advocating for cycling both locally and regionally.

As a mechanic, I have several years doing neutral support, experience as a team mechanic, and experience supporting local rides, races, club events. I consistently strive to ensure that bicycles function flawlessly by foreseeing issues and working with the riders, soigners, coaches and other mechanics. Even with decades of experience as a shop mechanic and team mechanic, and continue to pursue greater involvement in this sport as a US Pro Mechanic, and UCI Pro Mechanic.

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