Category: Remote start causes check engine light

I started seeing this light soon after using the remote starter function. Can the use of the remote starter and the check engine light be related? Bad electrical connection? Was kind of hoping a jelly had more specific information I could take back to the installer for correction.

The best way to find out is to read out your OBDII scan codes to see what the computer thinks the problem is. Once you get the codes, you can look them up on the Internet. There is a bit of solace with the realization that other people have experienced similar problems, so I beg to differ with you on one point.

Most Common Remote Starter Problem.

I invested 3 days and a small fortune for the purchase and installation of that auto alarm. This question is in the General Section.

Is your check engine light on? Here are 10 possible reasons why

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Add Topic 3 questions 0 people. Add Topic 1 question 0 people. Observing members: 0 Composing members: 0. Thanks for responding! Excellent advice, IchtheosaurusRex. Login or Join to answer.

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DarlingRhadamanthus 16 responses. Sell Car s Quickly? Home What is Fluther?What do you do? As Jalopnik has pointed outthe check engine light is one of the most frustrating and confusing warnings. But you can take some steps towards figuring it out yourself, before you head to a mechanic for costly repairs.

First of all, is the light blinking or steady? According to Consumer Reports, blinking could indicate an emergency. If the light is blinking, pull over, turn the car off, and call for assistance. Head to an auto parts store and have them run a diagnostic to find the cause of the check engine light. Call ahead and make sure they can handle your make and model, since some cars have special computers. In general, five common malfunctions can cause the check engine light to come on, and some of them are simple to fix yourself.

An oxygen sensor is a part that monitors the unburned oxygen from the exhaust. It helps monitor how much fuel is burned. Most cars have between two and four oxygen sensors; the code you get from the scanner will tell you which one needs replacing.

A faulty sensor not only reduces gas mileage, it also increase emissions. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, get this fixed right away. This causes a reduction in gas mileage and increases emissions. If you get an error pointing to the gas cap it means fuel vapors are leaking out of your cap. Pull over, tighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off.

Alternately, you can purchase a gas cap for a few dollars online or at an auto parts store. All you need to do is take the old one off and screw on the new one. The catalytic convertor works to reduce exhaust gases. It converts carbon monoxide and other harmful materials into harmless compounds.

When it fails, it stops converting carbon monoxide into less harmful emissions. Your gas mileage will also be terrible, so you should try and fix it as soon as you can.

remote start causes check engine light

A faulty one can increase emissions, cause the car to stall, and decrease gas mileage. Most mass airflow sensors fail because of a improperly installed or never replaced air filter.Has the remote start button on your GM keyfob stopped working? Hit the lock button once, then hold the remote start button Usually shaped like an arrow for at least 2 seconds or until the turn signal lamps flash.

Keep holding and the vehicle should start. Exit the vehicle with the fob and retry step 1. If your coolant temperature is near C or your oil is low, you need to be topped up!

After you have let the car cool down for minutes and rechecked the levels, retry the start procedure. As a safety precaution, the remote start system is fully disabled while hazard lights are on. A simple fix may be the location of the key. The vehicle cannot be started with the fob in the car. Take it out of the vehicle and retry step 1. Reseal the cap, restart the car, and retry step 1! If none of the other solutions have fixed your remote start problem, try replacing the battery in the fob.

The keyfob uses a CR lithium cell watch-type battery. The battery is commonly found and can be easily swapped using the diagram on the right. It might be time to dust off the old, trusty manual.

Your vehicle may include additional features that are preventing the remote start function from working. Did you find these tips helpful? Let us know how they worked for you in the comment section! Follow the above instructions to quickly swap the keyfob battery! Previous Post Next Post. Search for: Search.Problems that trigger a check engine light are sometimes basic and quick to fix.

Here are the 10 most common problems that can trigger a check engine light. Doing this on your own will save you money. An engine will keep running even if an O2 sensor needs to be replaced, but it will burn more fuel than usual.

In the long run, a bad O2 sensor can damage components like the spark plugs and the catalytic converter. It may also cause a car to fail an emissions test. Finally, keep in mind that most late-model cars have more than one O2 sensor. A loose fuel cap is one of the most common reasons why the check engine light turns on. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure. It turns the carbon monoxide generated during the combustion process into carbon dioxide.

Every late-model car that runs on gasoline has a catalytic converter. And as always, keep your eyes and ears open for unusual sounds or discolored smoke coming from the exhaust. Classic cars have a single coil, but many modern vehicles use one coil per cylinder. If your ride has a V8 under the hood, you could have eight separate coils. The monstrous Bugatti Chiron has Speaking of spark plugs, worn or fouled plugs can cause a variety of issues including an engine misfire and hesitation under heavy acceleration.

A worn coil can exhibit the same symptoms, and can cause the car to shut off unexpectedly. As its name implies, a spark plug wire transfers electricity from the coil to the spark plug. The vast majority of cars use a single wire per cylinder, but there are models — notably, some older Mercedes-Benzes — with two spark plugs per cylinder, and consequently two wires.

Symptoms of bad spark plug wires include a rough idle, a noticeable drop in engine performance, and lower gas mileage. The mass airflow MAF sensor monitors how much air enters the engine.

Symptoms of an MAF failure include a rough idle, trouble starting, and a sudden change in the position of the throttle pedal. Reduced gas mileage and stalling can also indicate a MAF problem. It can drain the battery, trigger the check engine light, or even prevent the vehicle from starting. Getting it done right in the first place might cost a little bit more, but the peace of mind that comes with having a fully functional alarm is priceless.

Every car has a vacuum system that performs a wide variety of functions. The brake booster is vacuum-operated, and the vacuum system also helps lower harmful emissions by routing the fumes as gasoline evaporates through the engine. This is the most common cause of vacuum leaks. Other common issues include cracked fittings and loose connections. It directs the hot exhaust gases back into the combustion chambers, which warms up the fuel and makes it easier to burn.

It also reduces emissions. The EGR valve can get clogged up or fail entirely. Also, note that disconnecting the battery will often reset your stereo system.Yesterday the remote worked fine, today it won't start my car. The check engine light came on just now when I tried again to remotely start the car. Hi Kat. Thanks for the question tonight. Anytime a check engine light is illuminated, it means the onboard computer ECU has detected a fault from a sensor that impacts the operation of the vehicle.

It then stores a code in the ECU which can be downloaded by a professional mechanic, which should isolate the source of the failure and allow them to tell you why the car is not starting. Q: Remote start quit working, check engine light came on My car has miles. My car has an automatic transmission. Tim Charlet Automotive Mechanic. Thank Tim. Was this answer helpful? Thank you for your feedback! Sorry about that. Why wasn't this information helpful?

remote start causes check engine light

Recommended Services. The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details. Related Questions. How do I reset the oil change due Warning Light? Radiator leaking coolant badly.I have a Chevy Equinox 2wd. This morning I tried to start the vehicle using the remote car starter. The vehicle would not start after 2 attempts.

I then started the vehicle using the key and noticed that the check engine light came on. The vehicle seems to be working alright. Any ideas what the problem may be? Answer: On the newer GM vehicles that have the remote start function, if there is a check engine light related to the emissions systemor many other trouble code set in the computer system, it will disable the remote start feature.

That would be the reason your vehicle did not start when you tried it. Since the vehicle is running fine, the problem you have is most likely nothing serious, but it does need to get a computer scan and get checked out. If you have less thanmiles on it, the issue will probably be covered by the manufacturer's powertrain warranty. And just a reminder, after two attempts to remote start the vehicle, you need to have an ignition cycle with the key before you can try the remote start again.

So many people work in shops that comment and want to promote business instead of offering shortcuts. There are ways to override any command start with engine light active. Sad that no one likes to promote any engine or ignition bypassing if it is only emission issues causing the engine light.

Remote Start Not Working: 10 Things to Check

I have given up asking strangers on the web because you will always get the same answer. I won't get into details about how to override your command start, cuz I will make the "safety first" guys very sad. But what you need to do is each time before you plan to use your command start, whether it is the night before, if you plan to remote start in the morningdisconnect then reconnect your battery before going inside for the night and your command will work for first run.

Tedious but works. I have a impala ss my remote to start was working fine early that day then next time I went to start it it wouldn't and the engine light came on what should I do?

Hi i have a chevy impala LT. And it wont remote start. It will start with key. What can i do to fix it. And on the car remote starter i cant find a way to see if the little battery needs to change.

Theres nothing on it to open.

Q: Remote start quit working, check engine light came on...why?

A month ago my equinox boost air tube came off, reducing engine power and check engine light came on. Took it to the dealer, they installed a new metal clil toretain the boost tubing to the top of the carberator, they also removed the check engine light code. Later noticed the remote start does nott work.

What is the cause? I have a Chevy Equinox my automatic starter stop working the mechanic said it some kind of timing change cylinder he trying to charge me up just for the part. I have a traverse with 72, miles, my remote key will not start my truck. Engine light is on but runs fine. Code said it's a bank code flue senor.

I'm very diappointed ,because it was a great feature to have when u have kids and cracking it b4 I get into a freezing truck to warm up was awesome, now I'm just disappointed.

My Chevy Camaro sat there for about a week without being used went to start it my check engine light came on drove it around running fine when home shut it off and try to remote start will not work. Installed a one way viper yesterday on dodge Dakota v8 magnum.Everything rests on this assertionit even says so on the checkout page after you buy a pick. Pro is short for professional. If you make money selling picks for Pregame, you are quite literally a Pregame Pro.

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remote start causes check engine light

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