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Symptoms of a Bad or Failing Carburetor
Common signs include reduced engine performance, black smoke coming from the exhaust, backfiring, overheating, or hard starting.
How Long Does a Timing Chain Last?
A timing chain is a metal chain, as opposed to the timing belt which is made of rubber. The chain is located inside of the engine and needs to be lubricated by...
What Causes a Car to Backfire?
You’ve got an image of it in your head right now. An old car drives off jerkily from a stop sign, tires screeching as it lurches and bucks, with shotgun bangs coming from the...

Related questions

To much fuel and not enough air flow.
This sounds like a MAF (mass air flow) sensor problem. As you may already know, this regulates the flow of air into the engine allowing the proper air/fuel mixture to be injected into the engine. When this is faulty, I...
Engine revving, backfiring, cannot accelerate past 40 mph - 1990 Chevrolet G30
The poor performance and backfiring through the intake you mention are signs of a "lean" condition - not enough fuel for the amount of air flowing through the engine. You may have a vacuum leak or Idle Air Control valve...
Pathfinder runs very rough, backfires.
The most common reason why a car will stop running after a distributor has been replaced is due to the distributor being too loose, causing the vehicle to fall out of correct ignition timing. The misfiring and backfiring issue is...
Takes 3-7 tries before engine stays running
Hello. The symptoms you are experiencing, hard starting and an unstable idle speed, can be caused by a variety of issues. You mention that you replaced a few parts, namely ignition components, so they should be alright. The next things...
10% of the time, car won't start when rainy weather
Hello. The symptoms you are describing are commonly caused by ignition system problems with moisture. Old or worn ignition wires, or a cracked or leaky distributor cap, can cause the vehicle to experience hard starting. In wet weather, moisture can...
Grinding noise and backfiring during startup
The starter on this vehicle requires a shim, so its possible that got left out when the starter was replaced. This could cause starter engagement problems and the metal on metal noise you're hearing. Backfiring, on the other hand, is...
rotor and cap 1998 bzer four wheel drive
The rotor should have a tab inside of it, allowing it to only go on one way, so you don't need to mark it. What most likely happened is you did not get the spark plug wires back on correctly....
Can an electric fuel injected engine like my Toyota Tundra backfire while driving?
Hey there, thanks for your question. I'd be happy to provide insight. While this is possible, it is probably not likely to happen with your 2014 Toyota Tundra. An engine backfire is typically caused by a spark plug, or multiple...
When accelerating, car backfires or turns off
Hello. There is a possible recall for the ignition control module on your vehicle. You will need to contact a GM dealer and see if your vehicle is on the recall for the recall 03v231000 ignition control module failure. The...
Intermittently doesn't start
Hi there. There could be several reasons for your vehicle's intermittent no start issue. From the description you have given, I would not think the ECU (electronic control unit) is your vehicle's problem. Assuming the ECU is not recognizing the...
I stomped my gas and it backfired out of the tail pipe
Hello. Backfiring can be caused by many things. A few common causes are low quality fuel or problems with the fuel, ignition issues, or a problem within engine management systems. If the vehicle is filled with low quality fuel, it...
Truck dies when not on the throttle.
Hello. A few things I would check are the timing, the idle air control valve, and the condition of the vacuum hoses. Retarded ignition timing can sometimes cause low throttle issues, and can definitely cause stalling. The idle air control...
Your vehicle may have experienced a horribly clogged catalytic converter. These will usually hinder engine performance to a great degree and you may hear a blowout if the catalytic converter gets too hot and the materials inside start to melt....
My engine backfires like a lean carburetor
Hello. If your engine is backfiring and you smell gasoline then it is likely that your vehicle is running rich. Backfires can be caused by both rich and lean conditions, however a fuel smell is usually associated with a rich...
no power only just goes
The jerking may be related to what is called a mass air flow sensor which is a unit that regulates air flow into the intake as it is mixed with fuel prior to being injected into the motor. When this...
Rotor moves freely about 1/4 inchback and forth
Hello. If the distributor shaft has that much play, it will cause erratic ignition timing and possible misfiring. Possible causes could be the distributor shaft or drive gear being excessively worn or broken causing the movement. Continued driving with misfires/backfiring...
I have a b20b boosted Integra. Hesitating low oil pressure. Experiencing bad idle and backfiring. Can't drive it.
Hi there, thanks for your question. The rough idle and backfiring is quite possibly linked to a bad idle air control module. As you may know, this module regulates air intake at idle status, allowing for the fuel and air...
Back fires and chokes on take off
Hello. In order to provide better advice I would have to know a few more details about the issue, specifically if the performance issues occur only when the vehicle is first started, or at all times. If the symptoms began...
Car sputters like its out of gas but isnt.
Unfortunately without additional detail as to the make and model of your car, this cannot be diagnosed. Feel free to resubmit a new question with these details. Alternatively, I would recommend having an expert from YourMechanic come to your home...
1997 Saturn
Hello, thanks for writing in. Since the check engine light is on the best place to start is with the codes. These would help me to determine the problem. It sounds like there is a misfire problem. If that is...

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