Could be,
spark plug(s),
contaminated fuel (water),
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Related Questions
What is wrong with the engine when the engine light on the dash board keeps flashing?
might be a misfire in a cylinder...
What might cause cyl misfire on 2002 Mercury Mountaineer?
the misfire my be caused by improper sparkplug gaps or bad injectors
What can cause misfire on a caprice?
The distributor could be failling, there might not be enough fuel or air reaching the engine (too much is bad too), or your spark plugs/wires are damaged or not to spec.
What causes car to misfire at high speeds?
The spark timing might be too advanced. At high temperatures and RPM an advanced spark might cause preignition, and engine knock. That's only likely to happen if the engine is modified though. Other than that, check the air and fuel filters are clean, as the harder the engine has to work the more a clean flow of both is important.
What would cause a cylinder to misfire in a 2002 ford explorer sport trac?
I'm not a mechanic / technician but it might be the spark plug , spark plug wire , not the proper air / fuel mixture to that engine cylinder , and there are probably other causes
What might cause hesitation problems on a 2001 Mercury Cougar but only when traveling at 32 to 35 mph?
a cylinder misfire might be happening. check your plugs and wires for bad connection
Will the fuel pressure regulator make your car misfire?
Yes. A fuel pressure regulator maintains the adequate fuel pressure required by the engine. A faulty fuel pressure regulator might leak fuel or cause your engine to run lean. It could create hard starts, knock and ping, or hesitationat full throttle.
What happens when you drive with a bad fuel injector?
When you drive with a bad fuel injector, your engine will often misfire. You might also have a rough idle and increased fuel consumption.
What problems can a loose oil cap cause?
None, it might cause oil to spill on your engine or inside of your hood, or a dash light might come on.
Shaking steering wheel and engine light on?
The shaking wheel part suggest that there might be an engine misfire, the engine light on suggests that the computer is trying to tell you what's wrong. Connect the engine to a diagnostic computer to see what's going on. The computer can often give you hints to the real problem.
What might cause an oil leak on a 2002 Trailblazer?
engine oil leak
Would a faulty o2 sensor cause a '93 sidekick to stall?
Yes, a faulty O2 sensor might cause a 1993 Sidekick to stall. It would also cause the car to misfire and use far more gasoline that it needs.
What might cause a squealing engine noise on a 1997 Buick Lesabre?
Check the belts. The most common cause of squealing is a worn or loose belt on the front of the engine.
Can bad timing cause your car to idle rough and vibrate badly while in gear?
If the timing is off a lot it can make your engine misfire and may not fire on every cylinder on every rotation. This can cause your engine to shake on its mounts and therefore shake your car, but usually at low RPM's. Poor airflow to the fuel ports can also make your car idle roughly. Might be a dirty air filter or the mass airflow sensor might be dirty (you can get throttle body cleaner for that). Also, low oil can cause you car to run roughly and labour a bit on hills.
What might cause a faint humming noise in your car that grows to a higher pitch although not louder when the gas is pressed?
the engine the engine
Why might a 2000 Hyundai Accent engine light be blinking?
A blinking or flashing check engine light in any Hyundai is indicative of a misfire taking place. It could be due to a faulty ignition.coil, leaky ignition wires or bad or worn spark plugs.
What could be the problem when your check engine light comes on and you transmission is slipping in a 2000 Lincoln Navigator?
Well With The Check Engine Light on It can Be many problems. If The Check Engine Light Blinks when you hit The gas and The car stutters makeing it feel like a tranny problem it might be a misfire. A misfire can be caused by spark plugs but most likey in the navigator it is a ingnition coil problem. 1st i would go to a repair shop and put it on the the computer to find out the trouble code for the check engine light and take it from there.
Will a vacuum line leak cause your computer in your 1997 Pontiac grand am to mess up?
It might cause the "check engine" light to come on.
What would cause a misfire on a 05 Pontiac grand prix?
you might wanna chage the plugs and wires. what other symptoms does the car have. i am having the same problem in my 2003 pontiac grand prix gt
What might cause engine to cut out while driving 1989 Mitsubishi galant?
could be the timing belt
What does the motor do when the crank sensor goes bad?
It can affect the way the engine idles, the pistons fire, or the acceleration behavior. If the engine is revved up it may cause misfiring, motor vibration or backfires. Accelerating might be hesitant, and engine shaking during engine idle might happen.
Does loose rocker arms cause engine to smoke?
Not usually. If the rocker arms are loose because the cam lobes are worn down, that could be an indication of a worn engine, which might have bad rings or loose valve guides, which would cause an engine to smoke.
On a 99 Avalon when decelerating rpm sometimes drop quickly below 1K then goes back up to around 1500 any ideas what may cause that since it acelerates fine and runs well otherwise?
A rapid deceleration and low rpm's on a 1999 Avalon might be caused by a misfire of the engine. This problem can also occur if the car is shifting too soon. The shift solenoid might also be the problem.
What is the cause of idle up and down and check engine lights appears everytime you turned on the engine?
If you car is equip with a idler sensor you might want to replace it.
Can no oil in the engine lock your engine?
yes, and it will cause it to overheat and parts will break, dont try it lol. you might make it a mile before your car is done
