If a timing belt is not put on properly and its causing your car to make backfiring noises can it cause problems to your car?

There are many reasons that a vehicle will backfire through the carburetor. What determines the cause depends on what condition the backfire happens. Is it a steady backfire at idle or does it start when you are accelerating ? Do you live in a wet climate or dry? Has the engine been wet?
Backfiring is caused when the exhaust valve is open during the firing or compression stroke of a certain cylinder. For example, a broken spring will not close the valve completely. A bad camshaft lobe will cause a back fire, if you have a distributor that got wet the spark could cross over to another area wire and cause the problem causing a missfire. If the wires were put on wrong after putting in plugs it will cause a missfire.

no
but the back fire could be caused by a failed timing belt or chain
a back fire is just exploding fuel in the exhaust or inlet manifold caused when a valve has not properly closed and fuel fire is allowed to escape

Timing chain or belt that has jumped time and this can cause a backfire.

This can be caused by improper engine timing. Has the timing belt been worked on? Consider inspecting it to see if the timing marks are lined up properly.

Another possibility is a too-lean mixture, cause by an air leak in the intake, or too-low fuel pressure. Inspect the flexible bellows in the intake tract for splits, and have a mechanic measure fuel pressure. I'd advise against the old method of measuring fuel delivery quantity in a given time, it is too dangerous.
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Check the timing to make sure its properly lined up, the belt may have slipped and jumped a tooht, or loose tensioner on the timing belt. Confirming the timing will give you a good clue as to where to look next.

it maybe the synchroniser which is under the throttle body (and houses the cam sensor)and makes the same noise. use a rubber hose to pimpoint the location of the noise

if you just had the timing belt changed then I suspect that the belt was not installed properly and is probably out at least one tooth. Possibly the cam chain tensioner is the culprit.

I’m happy to assist further over the phone at https://www.6ya.com/expert/howard_977676954994c5b2

the car is fuel injection so there is no choke for it has no carburetor.Backfiring is usually the cause by worn timing parts such as the belt. If the backfiring occurts only upon when it first starts up the mass air flow sensor is probably the cause instead

check your fuel pump pressure and volume.

Backfiring is caused by timing , bent or burnt valves. If the timing belt was replaced but not put on correctly, you will have this problem. The marks MUST be aligned correctly.