An old and worn pump motor may get too hot and this can overheat your entire engine. It will stall, however, if the pump causes your engine to overheat. If your engine is getting gas from the pump, even a lesser amount than needed, it won’t likely stall. If the pump cannot produce a constant stream of gas at higher speeds, your vehicle’s engine will sputter and threaten to stall.

Your fuel pump doesn’t stop pushing gas through to the engine once you’ve started your vehicle it also pumps gas to meet your vehicle’s speed. A worn pump loses its pressure and the engine is being starved of gasoline.

The car will struggle to start and run because the pump cannot push enough gas through. If your vehicle’s fuel pump cannot get gas from the tank to the engine, you will have trouble starting your car. Loud whining indicates there is a problem. The normal noise your pump makes is a low hum. The pump may also make this noise if you’re low on fuel or the fuel in your tank is contaminated. Fuel Tank NoiseĪ damaged fuel pump might make a loud, whining sound that you’ll hear from your gas tank. Willoughby Hills Auto Repair lists eight signs you might need a pump replacement. You can tell if your pump has problems, however. Most people never have to have their fuel pumps changed. If your Chevy or GMC pick-up, van, or SUV's engine IS NOT burning oil: Then more than likely you'll be able to go the 100,000 miles the spark plugs are advertised to last.ĭepending on how many miles you put on your vehicle, you may be replacing the spark plugs anywhere between 3 to 6 years.Your car, truck, or SUV’s fuel pump will last over 100,000 miles on average.

This means you could be replacing the spark plugs in a few months or maybe in a year. More than likely, you've got a spark plug that has it's air gap (between the center and side electrode) plugged up with carbon. If your Chevy or GMC pick-up or SUV's engine is burning oil: You'll need to check the spark plugs when the engine starts to miss (or misfire). So when you should replace the spark plugs? -Here are my recommendations: No, it simply means that the older the engine gets, the more likely the spark plugs are gonna' get plugged up with carbon from oil burning in the cylinders or from additives added to the fuel. This doesn't mean that, because your engine has a lot of wear and tear, the spark plugs are wearing out faster. If like most folks, your Chevy pick up, van or SUV's 4.3L V6, 5.0L V8, or 5.7L V8 engine has over a hundred thousand miles, then you're gonna' have to replace them at a much smaller mileage interval. Yup, the only time they're gonna' last 1000,000 miles was when you're Chevy was brand new and you drove it off the lot with 5 miles on the odometer. Now the bad news is that the 100,000 mile replacement rule only applies if you're driving with a brand new engine in your pickup or SUV. Of course there are exceptions to every rule.Ĭhevy pickup and SUVs covered by this article use platinum spark plugs and these bad boys don't have to be replaced very often.Īs a matter-o'-fact, these platinum tipped spark plugs are usually billed as lasting 100,000 miles- but this may not apply to your vehicle. Spark plugs can go years without having to be replaced. The cool thing is that you don't have to replace your spark plugs very often (like for example: every time you change the oil). Changing the spark plugs is just part of the vehicle ownership experience (whether you do it yourself or you have a shop do it). In a nutshell, the thing that will wear out the spark plug, is the spark that has to jump from its center electrode to its side electrode.īy the time the spark plugs have worked flawlessly for thousands of miles under the extreme temperature they're exposed to inside your engine's cylinders, the spark will wear out even the most durable metals on the planet.Īnd well, this is normal.

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