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Backfire

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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

Question
My car crank but does not start.
Hi there. Check the camshaft position sensor and see if it has failed. Usually the engine will start and run with a partial failed camshaft sensor, however, when the sensor has failed completely and lost communication to the computer, then...
Question
My car backfires at 50 mph.
Hi there. There is a timing problem with your engine. Check the vacuum advance to see if its advancing when the engine is at a higher rpm. Also check the spark plugs and wires for if they are burned but...
Question
My car backfires. What might be the problem?
Hi there: Backfires occur for various reasons ranging from a cracked distributor cap allowing moisture inside ignition system components to fuel system issues caused by dirty or damaged sensors, crankshaft position sensor that throws off ignition timing or other items....
Question
Car won't start but when attempting to start it makes a repetitive "pop" sound.
Hi there. What could be happening is the engine has either a large vacuum leak or the timing chain has skipped a tooth making a camshaft out of adjustment. First look all over the engine for any possible vacuum leaks,...
Question
why is engine back firing
Backfiring through the exhaust generates sudden high-pressure events in the exhaust system that can do serious damage if left unchecked. Request a backfiring inspection by a professional mechanic as soon as possible. Among the causes of backfiring is the engine...
Question
Backfiring and engine hesitation problems 1999 Dodge RAM 2500
Hello - backfiring and loss of power are usually symptoms of a lean mixture, often caused by unmetered air leaks in the intake system. This could be caused by a leaking air hose, or stuck EGR valve. Check for problem...
Question
The truck shakes and there's an imminent smell of gas but no signs of leakage. When accelerating it also backfires multiple times.
Hi there. If there is a smell of fuel in the engine compartment, then the fuel injector o-rings are not sealing and causing the smell of fuel to vapor out. The backfire event is caused by the ignition either being...
Question
Car Loses Power And Puffs Out Large Amounts Of Black And Grey Smoke, First Backfire Was Very Loud, with sulfur/exhaust fumes smell.
Hello There, This is quite likely a sign of a failing or clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When this is clogged, this...
Question
Makes a popping noice and blows out white smoke real bad. I don't know what the issue is. Any ideas?
Hi there. It seems that there could be a head gasket or intake manifold gasket is leaking causing coolant to enter the combustion chamber make the white smoke and the engine to have a popping noise. Also, since you have...
Question
When I'm sitting in park my truck makes a loud bang sound
Depending on the sound and the location of the sound, this may be related to a misfire/backfiring problem. Engine backfire is caused by an imbalance in the air/fuel ratio being supplied to the motor and will occur in one of...
Question
My car won't stay on
Hi there. Assuming the backfiring was taking place prior to replacing the spark plugs and spark plug wires. This would lead me to believe there is a valve train related issue. Possibly, a broken intake valve spring. This would account...
Question
Heard a loud bang when I turned on my car yesterday. 2007 Volvo XC90
Hi there - this is highly unusual behavior, and should be checked out immediately. Check for problem codes, even if the Check Engine light is not yet on. This is a misfire condition due to an over-rich condition, possibly due...
Question
Back firing
If you were working around the distributor and loosened and re-tightened it you might have set the timing wrong. Specifically, delayed or retarded timing causes backfiring as the spark occurs too late and so part of the air fuel charge...
Question
. Goodmorning. Prior to r
Backfiring is often caused by a too lean or too rich air-to-fuel ratio although a few other causes are discussed below. A backfire in the intake manifold is caused by a ratio that is too lean (not enough fuel). A...
Question
Car backfired then stalls. Engine light is on plus the sports driving mode comes on.
Hi there. Check the engine's camshaft position sensor and the Mass Air Flow sensor (MAF). The camshaft position sensor could be damaged or burned up to cause the engine to backfire and stall out. The MAF sensor could be dirty...
Question
Backfiring from throttle bodies when under load. 1984 Chevrolet Corvette
Hello - backfiring can be caused both by timing issues, as well as air leaks (unmetered air) into the intake. I would first have the timing set to be sure it is correct - since there is some reason to...
Question
During ignition Taurus gagged for air, then backfired w/ smoke. Now engine light stays on & runs rough(timing off) 2005 Ford Taurus SE
Hello - the first task is to check for the problem codes which are setting the Check Engine light. This may be helpful in identifying the initial problem as well as the current problem(s). Usually, backfiring in the intake is...
Question
I broke down yesterday and the engine will crank and back fires but will not run 1993 Dodge Dakota
Hello. I would typically start by doing a compression test of the engine. If the compression is low then there is a timing chain issue. If the compression is fine then you may have an issue with the ignition timing...
Question
Truck is back-firing.
There are a few possible causes for an engine to backfire. Some of the more common causes are a vacuum leak, lean condition caused by a weak fuel pump, an exhaust manifold leak, or a faulty ignition system. With the...
Question
Crank no start
Hi there. The issue seems to have a misfire with the spark plugs and wires. The smoke that is coming out of the breather on the intake or valve covers is caused by the fuel burning on the exhaust stroke....

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