How to Fix the Electronic Throttle Control 5.7l Hemi
- Clear Rust. Once the engine throttle body has too much rust, then it might hinder the valve from having smooth movement, which will make you have the throttle failure ...
- You can change your Hose. Note that the throttle body works by getting a sensor from the accelerator paddle. ...
- Changing the Throttle System. ...
- Resetting the Throttle System. ...
Full Answer
What does service throttle control 5 7 hemi mean?
The service throttle control in 5.7 hemi is an indication that your vehicle throttle control system is having issue or failing.
What are the symptoms of a bad throttle body?
If you notice your car’s engine idle is jumping up and down and make strange sounds, it may be due to a dirty or damaged throttle body. The car engine is most sensitive at idle, where you will notice symptoms of a dirty or bad throttle body first. 3. Rough Acceleration
Can a bad throttle body cause a misfire?
As we told you before, a bad throttle body can mess with the air-fuel mixture, and it can also cause your engine to misfire. Misfires are easiest recognized as small bumps when you are revving the engine. 5. High RPM Idle
Are there any problems with the exhaust manifold bolt on Hemi?
Otherwise, look out for frequent exhaust manifold bolt problems on the HEMI engine. It’s typically not a major issue, but it can be a headache since some experience it 2-3+ times. MDS may cause problems with longevity, but it’s mostly speculation at this point.
What are the symptoms of a bad throttle body?
7 Symptoms of a Bad or Failing Throttle BodyLack of Power. ... Issues while accelerating. ... Higher or Lower Idling. ... Dirt or Grime Build-up. ... Poor Mileage. ... Electrical Problems. ... Check Engine Light.
What happens when throttle body sensor goes bad?
The car might accelerate itself, hesitate to accelerate, or lack power when you are trying to accelerate. You may also experience difficulty in changing gears. There may be a dramatic drop in your cars' fuel economy as a result of a faulty throttle position sensor.
What problems can a throttle body cause?
The most common symptom of a bad throttle body is a check engine light on the dashboard. You may also notice signs like rough idle, rough acceleration, or misfires during acceleration. High or low Idle RPM is also quite common when your throttle body is bad.
How do you reset a Dodge throttle body?
Turn ignition switch “OFF” wait at least 10 seconds. Turn ignition switch “ON” and wait at least 2 seconds. Turn ignition switch “OFF” wait at least 10 seconds. Throttle Valve Closed Position Learning.
What are the symptoms of a bad idle control sensor?
Common signs include irregular or unusually high idle speed, the Check Engine Light coming on, and stalling while idling....Usually a bad or failing idle control valve will produce a few symptoms that can alert the driver of a potential issue.Irregular idle speed. ... Check Engine Light comes on. ... Engine stalling.
What are the symptoms of a bad accelerator pedal position sensor?
Signs of a bad accelerator pedal position sensorRough Idling: ... Your vehicle doesn't accelerate over a specific limit: ... The engine does not run effectively: ... Inconsistent acceleration: ... Poor automatic transmission shifting or jerks when depressing the throttle pedal: ... Check engine light: ... Locate the APP sensor:More items...•
Can throttle body cause rough idle?
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.
Why would a throttle body need to be replaced?
If your vehicle's throttle body is defective enough you might find that your vehicle can't stay running. This happens because the engine isn't getting enough air, and since the throttle body can't open further it can't up the air intake to prevent the engine from stalling.
How do you test a throttle body?
2:2013:53TechTips #1 – Electronic Throttle Body Troubleshooting - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe first thing to do if you suspect a problem with the electronic throttle body is to connect yourMoreThe first thing to do if you suspect a problem with the electronic throttle body is to connect your scan tool and check the engine control module for any stored diagnostic trouble codes or dtcs.
Does a new throttle body need to be reprogrammed?
Code errors can cause your throttle position sensor to work erratically or incorrectly. Otherwise, you'll need professional software to reprogram your sensor. This job is best done by a professional mechanic. If your sensor just needs repairs, it could be the result of faulty or loose wiring.
How do you test a Dodge electronic throttle body?
2:027:40How To Test The Electronic Throttle Body. GM Vehicles 2006-2011YouTubeStart of suggested clipEnd of suggested clipOr an over limit. Reading then i can conclude that the electronic throttle body is defective. AndMoreOr an over limit. Reading then i can conclude that the electronic throttle body is defective. And needs to be replaced. The second test is to test the resistance between terminals d and e of tps1.
What does the lightning bolt mean on my Dodge truck?
electronic throttle control systemThe lightning bolt on the dash means that there is a problem with the electronic throttle control system in your vehicle. Get a code reader and scan the engine for any logged codes. The light may be on for a glitch and the electronic throttle control system needs to be reset.
What happens if throttle body fails?
if the throttle body fails, you will see the engine having worse idling system. The electronic throttle body is controlled by the computer engine of the vehicle in modern cars. So, if the throttle body fails then, the computer engine controls it and interrupts from moving the valve and, consequently, helps to save the whole engine ...
What is the purpose of the throttle body valve?
This valve does the main task in an electronic throttle body. This valve opens up as much needed and lets the air goes in and helps to create pressure in the engine. So, the throttle body has a direct connection to create the proper pressure in the engine and give you the perfect mileage.
What happens after replacing throttle control?
After replacing the throttle control, you will see no more poor type idling of the engine. The idling system will be rich and fast enough. After replacing a new throttle body, you won’t get any throttle failure signs. But it’s better to reset all the fault codes and your dash warning lights. 4.
How does a throttle body work?
The throttle body works by getting a sensor from the accelerator paddle. Sometimes, any leak in the electric connection to the throttle body makes it a failure and can’t get the air in letting amount sensor
Why is throttle body important?
When the throttle body gets any problem, it reduces the power in letting to the engine to avoid engine issues. The throttle body itself is made such that it will decrease the power pressure itself mainly to save the engine from having any significant damage.
What does it mean when throttle body is less power?
Less Power or Reduced Power Sign on the Dash. If the throttle body has any problems, then you will feel less power in driving. You may see the power reduced alert on the power gauge of your vehicle. In that case, it’s the throttle body that needs to fix.
Why is ETC important?
ETC (Electronic Throttle Control) is very much important in any car engine to ensure the proper air pressure. If anyhow this system gets disturbance, then you will be going to face various hindrances in driving. So, it is very crucial to fix the Electronic Throttle system immediately after facing the problems. ...
What year did the Dodge Ram make a ticking noise?
Multiple owners have complained about the 2011-2013 Dodge RAM exhibiting a mysterious “ticking” noise while in operation. You can learn more about the infamous HEMI engine tick in this YouTube video.
What is the ticking noise on a 2011 RAM 1500?
Another 2011 RAM 1500 owner, Ryan V., wrote in a VehicleHistory.com review in 2020 that the engine developed a ticking noise that the dealer diagnosed as a broken exhaust manifold. However, the problem reportedly continued even after making repairs.
What happens when a 2007 Dodge Durango stalls?
When the engine stalls, it also loses power steering and braking, which can increase the risk of an accident.
What is a 5.7 Dodge engine?
When you’re looking for some serious power under the hood, you may want to look for a used vehicle that’s equipped with Dodge’s popular 5.7L V8 HEMI engine. Found on models including the Dodge RAM, Durango, and Challenger, this capable engine is ready to take your driving experience to new heights. Still, what are some commonly reported Dodge 5.7 ...
What year did the 5.7L come out?
Dodge’s 5.7L V8 HEMI engine was introduced for the 2003 model year, making its debut on some Dodge RAM 1500, 2500, and 3500 pickup truck models. By 2004, the 5.7L HEMI was the only engine available on all RAM Heavy Duty models. As the success and popularity of the 5.7L HEMI engine grew, Dodge began to expand its offerings beyond ...
Does the 2008 Dodge Ram 1500 have a 5.7 engine?
The 2008 Dodge RAM 1500 ’s 5.7 L HEMI engine seems to suffer from the same issue after refueling. One owner reports in a 2019 NHTSA complaint that the engine “shuts off after every fill-up at the gas station.” This owner claims that the issue has occurred more times than he or she can remember.
Does a 2005 Dodge Magnum 5.7 stall?
Multiple 2005 Dodge Magnum owners have reported that the car’s 5.7L HEMI engine frequently stalls after refueling. One NHTSA report from February of 2020 maintains that this issue occurs every time the car receives a full tank of gas.
What does it mean when your exhaust manifold bolts are broken?
The primary symptom of broken exhaust manifold bolts is the ticking noise. Broken manifold bolts on the HEMI 345 create an exhaust leak. If it’s bad enough then you may notice power loss.
What happens if you leave a lifter on too long?
The lifter then contacts the camshaft lobes which results in the ticking sounds. The metal on metal contact then results in shavings in the oil. If caught soon enough the oil filter should catch most shavings and prevent further damage. However, if left for too long serious engine damage could occur.
Why does my 345 HEMI tick?
The cause of some 345 HEMI ticks may actually be due to broken manifold mounting bolts. Of course, the ticking we discussed above is different in terms of the failure point. However, if your Chrysler 5.7 engine is ticking make sure you check the exhaust manifold bolts first.
What is a 5.7 hemi?
The Dodge 5.7L HEMI engine is also commonly referred to as the 345 HEMI in honor of its 345 cubic inch displacement. It’s a long running pushrod engine that debuted with 345 horsepower in the 2003 Dodge Ram. The 5.7 HEMI remains much the same today, however it did go through updates to improve power and fuel efficiency.
What is the 5.7 engine?
In 2009, the 5.7L engine was revised to improve emissions, fuel economy, and performance. The revised engine is known as the 5.7 Eagle. A few notable updates to the 5.7 HEMI include:
Can misfires be caused by other faults?
Alright, for real we’ll speed this section up. Misfires aren’t really fair to call a common problem. Usually misfires can be caused by other faults, like lifter roller failures. As such, it’s more of a symptom than a problem in those cases. Nonetheless, standard maintenance items can cause misfires, too. Our big focus here are the 5.7L HEMI spark plugs. It uses 16 spark plugs. Yes, that’s correct – 16 spark plugs can be found in the HEMI. It leaves a lot of room for misfires to start due to old, worn spark plugs.
Can a 5.7 HEMI have a check engine light?
Check engine light. Unfortunately, lifter roller problems on the 5.7 HEMI can be tough to diagnose. Many simply experience the ticking sounds and no other symptoms. However, you may notice misfires or get a check engine light if the problems are severe enough or left alone for too long.
Why does my car have a check engine light?
The throttle body has some angle sensors and other sensors installed inside of it. As soon as the car’s onboard computer detects a problem with the throttle body signal, it will cause the check engine light to illuminate.
Why does my engine misfire?
Misfires occur either when the air-fuel mixture is very wrong or when it comes to a weak spark from the spark plug. It is incomplete combustion inside the combustion chamber, in other words. As we told you before, a bad throttle body can mess with the air-fuel mixture, and it can also cause your engine to misfire.
Why is my RPM so high?
High RPM Idle. The throttle body controls the engine’s idle to make sure it is always holding a steady RPM. If there is a problem with the throttle body, it may cause the be way too high. A not calibrated throttle body can also cause this. You can calibrate the throttle body with most diagnostic scanners.
What is the function of a throttle body?
The throttle body’s core function is to regulate and control the amount of air allowed to enter the engine. The input data is sensed from the driver’s pressure on the accelerator pedal of the vehicle. Consequently, more fuel is allowed to enter the internal combustion engine ...
What happens if the throttle body is not properly air cooled?
If the engine is not receiving proper air supply due to a damaged throttle body, the engine will suffer , and as a result, the driver would experience a drop in performance.
Why is my car slow when accelerating?
This means that a faulty throttle body can mess the air-fuel mixture up, which will cause problems when accelerating. If you notice that your car has a very uneven acceleration – sometimes it is fast and sometimes slow, you might have a bad throttle body.
What is a throttle body?
The throttle body is an important mechanical component found in fuel injected vehicles that controls and regulates the amount of air flowing into the engine. When the throttle body is in its appropriate condition, the engine receives an ideal air and fuel ratio and offers optimum performance. However, when the throttle body is damaged, ...
Service Engine Soon Light
The check engine light is one of the most common symptoms of a bad throttle body in your 300. The check engine light itself being on is not a bad thing. The trouble codes that are stored in the computer can tell a lot about what is actually going on. This makes diagnosing the throttle body much easier.
Dirty Throttle Body
While coming to a stop, you may notice that your 300 feels like it wants to die. The RPM may shoot up by as much as 500 until it finally finds the proper idle speed. This is a telltale sign of a dirty throttle body.
Wiring Issues
As your 300’s throttle body opens, the various sensors in your 300 measure the air coming in, and oxygen content coming out. If any of these sensors goes bad, it can feel the same as a bad throttle body. That’s why getting the trouble codes is so important. It can really narrow down what you are looking for.
Erratic Idle
If your 300 is not letting enough air in at idle, it’ll struggle to keep running. The idle speed will keep jumping.