Category Archive : Mazda 3 sensor problems
A Mazda crankshaft position sensor CPS monitors the position and rotation speed of the crank shaft. These symptoms may be intermittent in some cases. That's why it makes it hard to diagnose a bad crankshaft position sensor especially if the check engine light has not turned on. If the crank sensor fails on your Mazda, your car will refuse to start or will start intermittently. My 02 mazda lx won't start No power at crank position sensor got ground.
Read More. Search Content Search Content. Follow these steps to change the crankshaft position sensor on a Mazda. Engage parking brakes. Let the engine cool down. Jack up the front right passenger side wheel. The CPS sensor is located on the same side that you have the serpentine belt.
It is not on the transmission side. Remove the front wheel. Make sure to secure your vehicle with a good set of jack stands and block a tire as well so your car doesn't roll.
Remove the plastic wheel well liner. It is held in place with several plastic clips, 8mm nut, or 10 mm nuts depending on Mazda model. Locate the crankshaft position sensor. Unplug the electrical connector. Remove two 8mm bolts.Mazda MAZDA3 owners have reported 4 problems related to speed sensor under the vehicle speed control category. The most recently reported issues are listed below. While driving the speed goes up and down on its own the automatic transmission of my Mazda 3 shifts down from the 5th to the 3rd gear.
Mazda 3 Problems
This causes the car to jerk violently and the controls to illuminate including check engine, no traction and at. My mechanic could not find a cause of this, and he serviced the transmission by changing the filter and transmission fluid but the problem persists.
One mechanic said it is the speed sensor another the transmissions computer I have spend about 1, and I still have the same problems. It is very scary for my kids and myself while driving and I can't afford to get another car. What is the problems with Mazda with my car?
When driving the vehicle at normal speeds ex. This would happen after about 10 minutes of driving and continue on for the remainder of the drive about every 20 minute interval. This is quite unsafe, and the repairs that multiple mechanics including Mazda themselves suggested to repair the issue did not accomplish anything unfortunately.
Repairmen flushed and replaced the automatic transmission fluid, replaced my output speed sensor, changed out my shift solenoids, gear shifter, and even replaced my entire pcm.
I have not only taken pictures and videos of these horrid incidences, but there seems to be other instances of people having this identical issue with their Mazda's as well. If there is a way to show my video examples for study, then I will gladly send them.
Vehicle has had, on several different occasions, been driven, not at any particular speed and lost 4th gear, the engine light appears, an at light appears, and the brakes are applied to downshift the car down to 3rd gear. Upon me noticing this. I wait until it is safe to stop at a red light or stop sign and make a complete stop shift the car into park and back into drive. This seems to fix the disappearance and removal of the 4th gear as well as the at light, but only occasionally.
It does not however remove the engine light. Though after a few different trips on different days the light will not appear on start up and does not show up until this issue happens again.
The car shows error code p and is possibly needing a new transmission speed sensor. This issue has not been fixed. I was driving along and suddenly a loud noise, the check engine light came on and the car shifted from 4th to 3rd without losing speed except from me taking my foot off of the gas when hearing the noise all at the same time.
My mechanic said the diagnostic machine pointed to the "turbine speed sensor", so this was replaced within 2 days. The same day I got the car back, I drove it about 30 miles and it did the same thing again. Now my mechanic is checking into the transmission, possibly causing the problem. Car Problems. Vehicle Speed Control problems. Car Accelerates On Its Own problems. Cruise Control problems.
Accelerator Pedal problems. Accelerator Stuck problems.The transmission speed sensors are used to calculate the actual gear ratio of the transmission while in use. The first is known as the input shaft speed ISS sensor. The other sensor is the output shaft speed OSS sensor. If either of these two sensors falls out of alignment or experiences electrical issues, it impacts the operation of the entire transmission. After registering data, the two transmission speed sensors, also commonly referred to as a vehicle speed sensors VSSsend data to the powertrain control module PCMwhich compares these two inputs and calculates which gear the transmission should engage for efficient driving.Nx witness system
The actual gear ratio is then compared to the desired gear ratio. Should either or both of these speed sensors failyou may notice one or more of the following 3 issues:.
Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. This may cause the transmission to shift roughly or more quickly than normal. It's also common that a problem with these sensors can impact the shift timing, extending the interval between transmission shifts. An automatic transmission is hydraulically controlled and designed to shift smoothly.
When the transmission shifts hard, it can damage internal components including valve bodies, hydraulic lines, and in some cases mechanical gears. If you notice your transmission is shifting harshly or roughlyyou should contact a local ASE certified mechanic as soon as possible.
Since the transmission speed sensors monitor the input and output shaft speed, it also plays a part in monitoring the cruise control. As a safety precaution, the ECU will shut down the cruise control and render it inactive. If you notice that your cruise control does not engage when you press the button, contact a mechanic so they can inspect the vehicle and determine why the cruise control is not working. It may be due to faulty transmission speed sensors. It also can indicate an increase in tailpipe emissions surpassing acceptable limits for environmental contaminants from motor vehicles.
In any case, if you notice that the Check Engine Light comes onyou should contact a local mechanic to scan the error codes and determine why the Check Engine Light is illuminated.
Once the problem has been fixed, the mechanic will reset the error codes. If the problem rests with the speed sensors, depending on your particular transmission, the professional ASE certified mechanics may be able to replace the sensor. Some speed sensors are internal to the transmission and will require the transmission to be removed from the vehicle before the sensors can be replaced. The most popular service booked by readers of this article is Vehicle Drivetrain Inspection.
Our certified mobile mechanics make house calls in over 2, U. Fast, free online quotes for your car repair. Schedule Vehicle Drivetrain Inspection. Service Area.In this guide, you will learn about the symptoms of a bad Mass Airflow sensor MAF on Mazda vehicles and how to replace it yourself.
When the mass airflow MAF sensor on a Mazda fails, the check engine light will turn on, and you will notice several performance issues. Here is a list of possible symptoms that you may notice from a bad mass airflow sensor on a Mazda. Locate the mass air flow sensor on your Mazda 5 The sensor is located near the engine air filter housing.
Unplug the wire harness. Next, unplug the electrical connector from your Mazda mass air flow sensor. If the check engine light is on, don't expect it to turn off right away. If no other fault codes are present, the check engine light should reset within a week. If you want to check for other codes or reset the check engine light immediately use an OBD2 scanner to clear the fault codes. The OBD2 scanner can be connected to the diagnostic port located under the dashboard on the driver's side.
Step by step instructions on how to change the mass airflow sensor on a Mazda. These instructions include pictures and video clips to help you with this Mazda DIY repair.
Great article. I got quoted from the dealership to charge the MAF on Mazda 6. My check engine light came on. My madza 3 mass air flow sensor showed to be bad. I had a new one put on and within 3 hours the light came back on. We cleared the computer and again the light came back on. It still showed the air flow censor.
Thought maybe I got a bad censor so I replaced it with another new one. Light went off but came back on a few hours later.
Still showed the same sensor. Now my car is surging and stalling and even dieing on me. I can't figure it out. Any suggestions? Read More.
Search Content Search Content.Mazda MAZDA3 owners have reported 31 problems related to tire pressure monitoring system under the tire category. The most recently reported issues are listed below.
MAZDA 3 Mass Air Flow Sensor
While inflating a tire for one of our customers, the valve stem broke causing all air to escape from the tire. While servicing a customer's vehicle we inflated their tires. When the air chuck clamped on the valve stem, it broke causing all air to escape from the tire, immobilizing the vehicle. Tpms valve stem broke while we were servicing a vehicle.
The contact owns a Mazda 3. While driving 65 mph, the rear passenger side tire exploded. The tire was replaced with a spare. The vehicle was taken to an independent mechanic. The mechanic stated that the tpms sensor was corroded and the nut was fractured. The tire was replaced and the sensor was replaced with regular valve stems. The contact also stated that the dashboard was melting, which caused a glare from the sun.
The vehicle was not diagnosed or repaired.
The manufacturer was not notified of the failures. The approximate failure mileage was 83, The tire pressure monitoring system seems to be oversensitive the warning light stays on even when the tires are properly inflated.
Within 2 days of driving, my Mazda 3 had two separate incidents, where the valves of the tire pressure monitoring system tpms failed, on two separate tires. On Monday, July 18, while traveling at highway speed on rt.
I stopped at the nearest gas station.Unfi apparel
The driver's front tire was very flat. When I attempted to fill it with air, the valve pushed into the tire.By m. rosario osuna alarcón
Luckily, I was at a gas station and they were able to repair the tire with "standard" non-tpms valve and I was on my way. As I was on vacation. I parked the car for a week. When I returned to my car July 22I drove the car for about 50 miles. I stopped to have lunch and noticed that the driver's side rear tire was very flat. When I attempted to put air into the valve, it too pushed into the tire. That is two tpms valves that failed in two days of driving. I called Mazda customer serviceext.
He was sympathetic, but would not commit to Mazda repairing the tpms valve at no cost to me. I am having my mechanic put in non-tpms valves in the remaining two tires on the car, as I feel they are a real safety hazard. I will not drive the car until it is repaired. Read more While checking a customer's tire pressure the tpms sensor broke causing all air to escape the tire, immobilizing the vehicle. While inflating tires for a customer their valve stem broke. A new tpms sensor needed to be installed.
My daughter was driving the Mazda 3 headed east on I in brookfield, WI near the moorland road exit on Saturday afternoon, February 9, the car was moving at about 65mph.Our mobile mechanics offer services 7 days a week.
Upfront and transparent pricing.
Average rating from customers who received a Oxygen Sensor Replacement. Learn More.Hornady 357 sig dies
Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. With each new model year, manufacturers are adding more oxygen sensors to better manage engine operation. Some high performance engines have an oxygen sensor for each cylinder as well as one for the rear of each catalytic convertor. The sensors are located either underneath the hood or underneath the car. The oxygen sensors are connected screwed to the exhaust pipe, either in front or back of the catalytic converter.
The front upstream sensors measure the amount of oxygen in the exhaust system. The purpose of the front oxygen sensor s is to measure how rich or lean the gases are as the gases exit the combustion chamber. Depending upon whether the exhaust gas is lean high in oxygen content or rich low in oxygen contentthe amount of fuel entering the engine is adjusted by the engine management computer to try and maintain an ideal mixture that produces the lowest emissions output from the catalytic convertor.
Rear downstream sensors are located behind the catalytic converter. The purpose of the rear oxygen sensor s is to monitor the oxygen content of the exhaust gases leaving the catalytic convertor. If one or more of the oxygen sensors are faulty, your car may not pass the emissions test. If you drive your car with a faulty oxygen sensor, you may get poor gas mileage and it can damage the catalytic converter. Keep up with the tune-ups.Discord bot that auto sends messages
If check engine light is on, don't drive the car too long without getting it inspected. If check engine light is flashing, pull over and get the car towed to avoid costly repairs.
Ask the mechanic to inspect the vacuum hoses and leaks in the exhaust system. If the vacuum hose or exhaust system is leaking, it will display an oxygen sensor fault code. Replacing an oxygen sensor may not fix the problem.Captain tsubasa zero player stats
Your vehicle has multiple oxygen sensors, and they all help the car run optimally. The front sensors measure how much oxygen is in the exhaust stream to measure how rich or lean the gases leaving the gas chamber are. The rear sensors measure the oxygen content of the gases as they leave the catalytic converter. Because cars depend on an ideal fuel-to-air ratio to function optimally, the oxygen sensors are leaned on for engine performance. When your oxygen sensors fail your car will run less smoothly, get worse mileage, and have worse emissions.
Mazda 3 Oxygen Sensor Replacement at your home or office. Get an upfront price. Service Area. YourMechanic Benefits Online Booking. Mechanic comes to you.
Free 50 point safety inspection. See availability.No car is perfect, but we've gathered everything relating to the Mazda 3 reliability here to help you decide if it's a smart buy. I have an issue with my Mazda 3.
Sometimes the steering is normal, but suddenly the ABS light comes on before turning off again. The problem is that the power-steering cuts off when this happens Read more. I've been told it has to be coded in In December I bought brand new Mazda 3 Maxx for 25, including my trade-in.
As of today, it has 40,km on its odometer, and I recently took it in for its major service. When I bought this Mazda Australia has been forced to recall 13, examples of the new-generation Mazda3 small car over a potential issue with its autonomous emergency braking AEB system.
Affecting MY19 hatches and I'm thinking it will need to be aboutmid-sized, preferably a hatch, preferably with less than 30, I currently use a Hyundai i30, what is next best? The car was great until we took it to the dealer for its first complimentary check-up. It has done km. We took it in and two I'm 17 and looking to buy a car next year.
Are there any reliable cars preferably with a turbo?How to Replace an Oxygen Sensor in Your Car (Air Fuel Ratio Sensor)
We will use the car for about years. Please suggest a used car that will have low maintenance, enough power for freeways and Mazda is set to recall more than 18, vehicles over an engine stalling issue, with the Mazda3, Mazda6 and CX-5 impacted.
I'm looking for a small used car for two kids and myself. I want auto, fuel efficiency with as many bells and whistles as I can afford. Really not too worried Two weeks ago we bought a Mazda3. A week later we had problems with the navigator screen going completely dead whilst driving, and the radio went dead too. Phoned up Mazda dealer who told us to In a somewhat unusual recall, Mazda has to bring in thousands of fourth-generation Mazda 3s due to a production error which could see the wheels fall off.
Would you recommend the Mazda 3 or the Corolla? I am unsure about which one to buy. I'm thinking of selling my Mazda 3 SP How much could I expect to sell it for? I have the Mazda 3 cc engine. Does it have a cam belt or chain, and when does it need replacing? I am replacing my car after it was written off. I want a near new We have also looked at Mazda3 and Holden Astra, but is there anything else we should look at?
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