What are the symptoms of a failing fuel injector?

What are the symptoms of a failing fuel injector?

Here are a few signs there might be something wrong with your fuel injectors.

  • The Engine Misfires. Dirty fuel injectors may cause your vehicle’s engine to misfire.
  • Idling Gets Rough.
  • Your Gas Mileage Tanks.
  • The RPM Needle Starts to Dance.
  • Your Car Won’t Start.

Do fuel injectors add horsepower?

The technical answer is yes; fuel injectors can add 10 extra horsepower at peak. However, for some car owners, that minimal difference does not offset the increased cost and complexity of switching to fuel injectors or upgrading the existing stock fuel injectors.

What happens if you put bigger fuel injectors?

Bigger injectors will deliver more fuel, but in petrol engines this means more air is needed to keep the mixture at the best combustion ratio. So if you turbo charge, or supercharge, the bigger injectors will give more power. Otherwise they will decrease power and waste fuel, like running constantly on the choke.

Can you replace just 1 fuel injector?

Yes you can, but for the labor price of replacing just one injector, you might as well replace the whole set of fuel injectors. Getting fuel injectors replaced can sometimes cost hundreds of dollars in labor labor if you don’t do it yourself, making it quite expensive.

Can you put bigger injectors on a stock car?

You can;t do a stock tune unless you can fool the ecu into thinking it is getting more or less air. If you throw in bigger injectors it will hold that injector open for the same amount of time as the smaller injectors and it will dump TONS of fuel in.

Do bigger injectors need a tune?

In general, injectors need a tune. Otherwise, your ECU is trying to drive the new, bigger injectors using the duty cycle and dead times for the old, smaller injectors, which means too much gas potentially at the wrong time (i.e. – running rich and potentially missing).

Do you need a tune for bigger injectors?

Can I put bigger injectors on stock engine?

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