Can a bad fuel filter make the transmission light come on?

My transmission light came on I got it checked a shop and they told me it was the fuel filter
My car has an automatic transmission.
Experienced mechanics share their insights in answering this question :
Hi, thanks for writing in. I have not heard of a fuel filter causing the transmission to set a code. I would recommend having an expert from YourMechanic come to your home or office to confirm a diagnosis on your check engine light, and make or suggest the necessary repairs or replacements.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

If the fuel filter is bad, the fuel`s pressure entering the system will drop then the fuel pressure sensor is alerted and the “Check Engine” light will come on.
Another sign that a fuel filter may be bad is a pair of the more common diagnostic trouble codes that technicians see on a regular basis: DTCs P0171, System Too Lean Bank 1; and P0174, System Too Lean Bank 2.
A clogged fuel filter causes low fuel pressure that results in a lean fuel condition and engine misfire. This can result in poor fuel mileage, rough idling and possibly cause the check engine light to come on. Once that light is on, it`s time for a trip to the repair shop.
Bad Fuel Pump, Fuel Pressure Sensor Can Trigger `Check Engine` Light, P0087 Code. Your car`s “Check Engine” or “Service Engine Soon” light can flash on for more than 1,400 different reasons.
A clogged fuel filter may cause low pressure, which will set off the Check Engine Light to alert the driver — if detected by the sensor. The Check Engine Light can be set off by a wide variety of issues, so having the computer scanned for trouble codes is highly recommended.
The fuel filter prevents dirt and debris from entering the vital components of the fuel delivery system. This results in higher performance of the engine. Proper maintenance and replacement of the fuel filter as recommended by the manufacturer can help boost Page 2 the performance of your vehicle by 2% to 4%.
In general, the fuel filter is difficult to open, but it can still be cleaned to remove various dirt that has settled. If the dirt accumulated is too bad, you should replace a new air filter because the dirt that has settled for too long will be tough to clean and usually takes a long time.
Rough Idle

If your car`s idle noise has changed and feels rougher, the fuel injectors may not be delivering fuel as they should. As with misfiring, this is normally down to the injector nozzles being clogged with particles, which interfere with the atomisation and spray of the fuel.

A loose gas cap is one of the most common reasons for the check engine light to go on. Check that your gas cap is screwed on securely and that it`s in good condition. If you have a tank of bad gas in the car, your check engine light may come on.
Oxygen sensors are a common cause of “check engine” lights. This sensor is located in the emission control system of your car, and is standard on all vehicles manufactured after 1980. The oxygen sensors are used to ensure that your engine is burning the correct amount of fuel, and running at peak performance.
If water accumulates in the fuel filter, the warning light comes on when the ignition switch is in the ON position. If this warning light illuminates, take your car to a professional workshop and have drain the water and check the system.
P0230 is a diagnostic trouble code (DTC) for “Fuel Pump Primary Circuit Malfunction”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
Oil filter that has become saturated with dirt not only holds the motor oil but also deteriorates its lubrication properties causing increased friction among the moving parts which is another reason why the engine might heat up during normal drives. It may cause the check engine light to come on.
Oil filter that has become saturated with dirt not only holds the motor oil but also deteriorates its lubrication properties causing increased friction among the moving parts which is another reason why the engine might heat up during normal drives. It may cause the check engine light to come on.
If water accumulates in the fuel filter, the warning light comes on when the ignition switch is in the ON position. If this warning light illuminates, take your car to a professional workshop and have drain the water and check the system.
If water accumulates in the fuel filter, the warning light comes on when the ignition switch is in the ON position. If this warning light illuminates, take your car to a professional workshop and have drain the water and check the system.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Can a bad fuel filter make the transmission light come on?
ANSWER : Hi, thanks for writing in. I have not heard of a fuel filter causing the transmission to set a code. I would recommend having an expert from YourMechanic come to your home or office to confirm a diagnosis on your check engine light, and make or suggest the necessary repairs or replacements.

Rear brake light, and some interior lights don’t come on unless I’m braking
ANSWER : Hello. Replacing the stop light socket with a new one should have solved the intermittent problem of the stop light not working all of the time. It is possible that when you tweaked the socket, it caused a short to ground. This could explain why the dash lights only come on when you press the brakes.

The first thing that I would suggest is that the stop light socket be replaced. After replacing the stop light socket, if the dash lights still only come on when you press the brake pedal, the wiring for the dashboard will need to be inspected for any shorts to ground or bare wires touching metal that it shouldn’t touch. Since this issue started as a rear light problem, I would start with having your rear lights inspected by a certified technician, such as one from YourMechanic.

No dash lights, back right tail light is out, no parking lights. Brake lights work though as does head lights.
ANSWER : Hi there. In many cases, when you have electrical problems like you’re describing, it’s caused by multiple electrical component failure. It’s likely that a few electrical relays are not working; especially if you have systems that utilize the same components (such as your brake light and tail lights). I would recommend having a professional mobile mechanic come to your location to complete an electrical problems inspection first, so they can pinpoint what is damaged and recommend the right repairs.

To replace a fuel filter or not ? Vehicle had no fuel when bought; added fuel & it started, but should the filter be changed…
ANSWER : Hello, thank you for writing in. Your head is in the right place. While gas these days is held to some better standards, its very possible to collect debris in the tank over time. Considering the mileage on the vehicle, replacing the fuel filter is a great idea anyway, and you should definitely do so. They are quick and easy to do, but you need to be careful with the fuel lines. Also make sure you install the filter in the correct direction. If your fuel pump is original, then you may want to consider replacing it as well. Running a vehicle to empty can hurt the pump. It is also a great time to inspect the tank for debris. For more help replacing either fuel component, contact our service department to schedule an appointment.

Diagnostic code read o2 sensor bad, replaced o2 sensor, cleared code but engine light came back on, is it caused by bad air filter
ANSWER : Hello there. Typically jump starting a vehicle doesn’t trigger an OBD-II error code. However, one of the most common misdiagnosis issues with the P-2270 is replacing the O2 sensor before diagnosing if there are any exhaust leaks. Obviously, you’ll want to check for the exhaust leaks first, repair the damaged component, and then clear the codes before scanning the vehicle again. Sometimes the electrical harness attached to the O2 sensor is damaged or dirty which will also trigger this error code. The noise and vibration may be an indicator of a loose exhaust pipe, which may be the source of the error code staying on. If you need any help, have a technician from YourMechanic come to your home or office to diagnose your Check Engine Light and make the necessary repairs.

Low coolant light comes on when AC, defrost or heater is on, but only if the car is in gear and stopped, what’s wrong with my car?
ANSWER : First, you want to make sure your cooling system is full. Check the radiator not the coolant jug. And check it when it is cold. If it needs coolant, add some. Of course, I don’t feel this problem is an actual low coolant condition. I would expect to find an electrical failure in the instrument cluster or from a component or wiring harness that is connected to the instrument cluster.

As a technician, I have access to reports from technicians across the country. I could not find any reports of this problem, so diagnosing this will require an experienced tech as this is not a common problem. In addition, this happens at intermittent times making it difficult to recreate. The most challenging part of this diagnosis will be recreating the symptom. I suspect it has something to do with the brake switch circuitry because it only seems to happen when you have your foot on the brake. I would begin my diagnosis there with a wiring diagram and test light in hand. The brake switch, instrument cluster, and environmental controls all interact with each other. Something is crossed either because of a failed module or damaged wiring in a harness.

Aside from making sure the coolant is full, this will not likely leave you on the side of the road. If you take it in to be diagnosed, be prepared for them to spend more time than usual to figure it out. Since it isn’t a key problem, you may need to live with it until it completely fails making it much easier to diagnose. Either way, I do recommend having a certified mechanic diagnose the warning light to make sure there isn’t anything serious going on.

Good luck.

Engine Light and AT light. Car goes into limp mode
ANSWER : Hello. Most of the time this is the result of a transmission failure. It is common for this transmission to have internal pressure problem which will cause these codes. It can also be a voltage problem so I always check that first. I check the voltage going to the transmission and if it is too low I repair that issue which is commonly the ignition switch. If the voltage is fine, then the transmission pressures need to be checked and it will more than likely need to be replaced. I would have a transmission specialist look into this.

Battery light goes on when I start car then turns off, if I rev engine light comes back until rpms go down. Abs goes comes on/off
ANSWER : Batteries can die due to faults in the charging system so ideally a suspected "faulty" battery should be load tested before a decision is made to condemn it. The only exception to this rule is if the battery is already clearly "old" (greater than 5 years) but even then once you put a new battery in, as a replacement for a "dead" battery, you have to comprehensively check out the charging system. Diagnostic Trouble Code P0460 will result in disruption of the dashboard fuel gauge’s ability to accurately report your tank’s fuel levels. The fuel gauge readings may be erratic, or read somewhere off scale. Vehicles equipped with a low fuel warning light feature may also suffer from erratic low fuel warnings in the event of a code P0460. Unless the P0460 code has been reported alongside other trouble code, all of the vehicle’s essential systems should otherwise function normally. I would recommend that you request a check engine light diagnostic to first resolve the fault causing the P0460 code to set. The check gas cap light warning light could be due a faulty gas cap and/or small leaks in the EVAP system.