Engine sputters and backfires when accelerating

It’s one of the most common reasons why a car jerks when accelerating. Your car’s engine needs both fuel and air to do its work. The air mixes with the fine spray of fuel inside the engine and is then lit by the spark plug, causing a controlled explosion, which moves the pistons.

Hey I know it's been a while, I'm a bad panda! Anyway, the stupid car is being dumb again. It is bogged down, spits and sputters and backfires, etc. It has new plugs and wires, and I just don't know where to go next. It does sometimes throw the serv. engine soon light, but not always. It will drive, just gets terrible (like 18 mpg) mileage.
The engine now has extreme sputters, shakes and hesitates to accelerate above 5-10mph. I barely drove it back to the mechanic. He still is not sure what the problem is, he thinks replacing the other sensors and troubleshooting the coils should be the next step. How to solve engine hesitation and stumble problems on the 90+ By Steve Chong. Created : 971013 ... thus engine stumble. Here is the list of items on the 90+ that can be sources of this problem (no particular order): ... I Engine stalls when accelerating or cruising (Procedure 15) J Engine stalls when the electrical load is heavy (Procedure 16) ...

2003 santa fe 2.7 what could cause The engine whilein park the idle is smooth when in gear engine has intermttent miss & hesitates on acceleration with minor backfire Asked in Chevy 350

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Engine sputters and backfires when accelerating

The engine depends on just the right mixture of fuel, air and spark to maintain operation. If any of these ingredients is missing, or present in the wrong quantity, the mower coughs, sputters and ...

I have a 2000 silverado z71, with 288K, recently replaced fuel pump and filter about 3 weeks ago, was running great, until last week when it started to hesitate bad and back fire under acceleration, it ran good in idle and underload until is warmed up then when you tried to accelerate it would bog down bad and start popping like tiny backfires and the more gas you give it the engine falls flat ...
Backfire and sputtering under throttle - posted in MXZ / Legend / Summit / Grand Touring / Formula : Ok Gurus, I need your help. Just did a complete rebuild on a 2002 MXZ800. Rebuilt crank, new pistons, gaskets, seals, etc. Last year installed new Reeds and Carb boots since the boots were cracking. Sled fires up right away and idles perfectly. Just been running it around the yard and it will ...When your engine back-fires it can do so in one of two ways. First and the most common way is when the engine is running a small explosion of un-burnt fuel is ignited inside of the intake manifold creating a loud bang which is the backfire sound you hear. This explosion can bend the throttle actuator plate,...

Out Of Nowhere, No Power, Sputters & Backfires. Same Thing At Idle Under No Load? Thread ... fine to the gas station, idled fine at the gas station, when finished and went to pull away from the gas station, big sputter & backfire, and complete power loss. ... Remove the coil wire from distributor & and hold it 3/8" away from the engine block. ...

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