How many o2 sensors does a Pontiac Grand Prix have?
Oxygen sensors are located before and after the catalytic converter. A vehicle may have two to five oxygen sensors, and sometimes even more.
What does reduced engine power mean on a 2004 Pontiac Grand Prix?
If your Grand Prix has gotten this reduced engine power warning, it means that one of its engine management sensors or the ECU have gone bad. It’s effectively “in the dark” without enough vital telemetry to control the engine properly.
How much does it cost to fix a throttle body?
The average cost for throttle body replacement is between $548 and $571. Labor costs are estimated between $85 and $107 while parts are priced at $463. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.
Can you drive with a messed up throttle body?
Can you drive with a bad throttle position sensor? If you have a bad throttle position sensor, your car will not perform well or safely. Driving with a bad throttle position sensor may also cause problems in other related systems in your car, which will mean additional repair bills.
What are the signs of a bad throttle body?
When a throttle body is not functioning correctly, some noticeable characteristics may be poor or very low idle. This can include stalling when coming to a stop or very low idle after starting, or even stalling if the throttle is quickly pressed (resulting in the throttle body plate opening and closing very quickly).
What are the signs of a dirty throttle body?
The 7 Signs That Could Mean Your Throttle Body Needs Cleaning
- Grime Build Up.
- Poor Fuel Economy.
- Poor or High Idle.
- Uneven or Slow Acceleration.
- Electrical Problems.
- Airflow Disruptions.
- Check Engine Light.
Should I clean or replace throttle body?
While throttle-body cleaning is good preventative car maintenance, it should also help engine drivability. In fact, if you’ve noticed a rough idle, stumbling initial acceleration or even stalling – all when the engine is fully warmed up – a dirty throttle body could be the culprit.
What will a dirty throttle body cause?
If your car runs rough when idling, the cause just might be a dirty throttle body. The throttle body controls the amount of air the engine takes in, and when it gets dirty, the engine can’t idle smoothly. When an engine shuts down, hot exhaust gases and unburned fuel float to the top of the engine.
What causes a throttle body to go bad?
Filth, carbon, and dirt can build up in the housing creating problems with air flow. Known as coking, the normally smooth service for air to travel becomes full of gunk and creates an imbalance. This interrupts that perfect mixture of air and fuel which can cause the butterfly valve to get stuck.
How often does a throttle body need to be replaced?
While there is no set mileage when it comes to the lifespan of the throttle body, it is suggested that you give it a thorough cleaning at about 75,000 miles. Cleaning the throttle body allows your car to operate more smoothly and it helps increase its lifespan.
When should I clean my throttle body?
Q: When should I clean the throttle body? A: Ideally, you should perform routine fuel-injection system maintenance and throttle body cleaning every 75,000 miles. This also involves checking the oxygen sensor and catalytic converter for any signs of damage.
Can I use WD40 to clean my throttle body?
WD40 won’t be an effective throttle body cleaner, hard deposits stuck to the throttle body and throttle plate will require a throttle body solvent. Throttle body cleaner is formulated to help breakdown carbon and other fuel related deposits on a throttle body.