Q: I have my engine light on, and it popped up as "multiple misfires". I already replaced fuel injectors, coil boots, and spark plugs.

asked by on

I already replaced the fuel injectors, coil, boots and spark plugs. It will start up, but it turned off at a stop light.. it's not RPM right. Maybe it's a vacuum leak?

My car has 117100 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. I have my engine light on, and it popped up as "multiple misfires". I already replaced fuel injectors, coil boots, and spark plugs.

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Hitting the gas pedal stalls the motor

When the car almost stalls, does the Check Engine Light illuminate? If so, a local mechanic (like those with YourMechanic) can diagnose the problem by scanning the vehicle computers for codes. This could be caused by an electrical problem (oxygen...

Q: Why does the a/c blower slower down when the rpms go up

The blower motor is not slowing down. What is actually happening is the mode control for your AC and heat is losing its vacuum source. When you switch the knob for defrost/vent/floor etc, engine vacuum is what moves the mode...

Q: Vehicle won't idle

You either have a major vacuum leak at the hose to the brake booster where it connects to the engine, or the intake gasket. A diagnostic inspection of your stalling condition by a mechanic, like one from YourMechanic, will verify...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.