How To Get Service Engine Light Off 2001 Nissan Frontier

A flashing check engine lite is your Nissan Frontier's way of saying "I have a serious trouble, don't ignore me". Most of the time, that serious problem is a misfire. This flashing low-cal should not be ignored. When your engine is misfiring, it is dumping raw fuel into the exhaust. This raw fuel can detonate, which causes impairment to the catalytic converter and the exhaust organization itself.

There can be other situations that can cause the check engine calorie-free to blink as well. It'southward flashing to permit yous know that if you continue driving the vehicle, yous are going to ruin the catalytic converter and/or harm the engine in a meaningful manner.

Flashing Check Engine Light Diagnosis Nissan Frontier

Blinking Check Engine Light Diagnosis: Nissan Borderland

At that place volition e'er be problem codes associated with the check engine light blinking. These trouble codes will be able to tell you where to kickoff hunting downwardly the trouble. Here are the most common issues that end up causing the check engine light to flash. But, follow the OBDII codes. A code scanner is cheap. Utilize it to find out exactly why your vehicles figurer decided to wink this light.

Frontier Check Engine Light Flashing Due to Ignition Issues

The ignition system is the most mutual reason that the check engine light will flash. The ignition system consists of spark plugs, plug wires, and the ignition coil packs (older vehicles have a distributer that has the same function equally coil packs). These parts piece of work in concert to ignite the fuel in the combustion chamber at just the correct fourth dimension.

P0300: Random Multiple Misfire– This is one of the most common codes that is thrown when the engine is misfiring. It ways that the engine has a misfire, merely the computer can't detect which cylinder that it's coming from. This code is oft thrown when at that place is afuel issue, or a timing event, and non just bad ignition components. That is unless all the cylinders share a common coil (distributor ignition).
P0301-P0312: Cylinder Specific Misfire- These trouble codes correspond with a specific cylinder misfiring (cylinder number corresponds with its place in the firing lodge). Although it'southward a bad sign when the service engine presently light flashes, when one of these codes comes up with information technology (and goose egg else), information technology'south nigh always one spark plug or ignition coil. In that location tin can be other reasons this lawmaking is thrown, yous can run into more than past clicking on the P0301 link above.

There are other misfire related codes as well, but those are the most common ones.

Nissan Frontier Blinking Check Engine Light Diagnosis

Fuel Arrangement Issues

Keeping in mind that whatever engine needs air, fuel, and spark for ignition, your Nissan Frontier's fuel system tin can frequently cause the engine to misfire. It can run besides lean or rich. Alternatively, there may not exist enough fuel for proper combustion, or the fuel isn't atomizing properly.

Fuel Mixture: If the engine is running rich or lean, the engine will misfire and throw the fuel mixture related codes, such equally P0171, P0172, etc..
Injector Issues: A bad fuel injector(s) can cause a misfire. If the fuel tin't atomize properly, the engine will misfire. Hither'due south a good article on how to diagnose whether your fuel injectors are bad from procarmechanics.

Other Issues: Flashing Cheque Engine Light- Nissan Borderland

While a majority of the time, the flashing check engine lite is going to exist acquired by a misfire related to your Frontier'due south ignition organisation or fuel arrangement (as stated higher up), there are other problems that tin cause it.

Your timing chain could have jumped.
If you have VVT, it may be having issues.
EGR- The EGR system recycles burnt exhaust gasses back into the combustion chamber.
Crank/Cam Sensor- When the cam or crank sensors are non being read by the ECM/PCM, it'southward impossible to get the ignition timing right. If you Borderland does offset at all, it'll run rough.
It could be a more serious mechanical issue, such as as bent valve, bad lifter, etc….

Conclusion

We recommend that you lot don't bulldoze your vehicle if at all possible until you diagnose and fix your Frontier'due south flashing bank check engine light. Just pretend that it'south letting you know that information technology's going to cost y'all way more money to fix the problem if you keep driving information technology. If there is annihilation that you would like to add, please feel free to get out a comment below. Adept luck!