Skip the auto shop - Our mechanics make house calls

Q: I installed a new crankshaft positioning sensor, now I'm getting misfires and code P0300. Is this supposed to happen?

asked by on

I just installed a new crankshaft positioning sensor now I'm getting random misfires trouble codes P0300 is this supposed to happen what should I do?

My car has 111745 miles.
My car has an automatic transmission.

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  • Home
  • Questions
  • I installed a new crankshaft positioning sensor, now I'm getting misfires and code P0300. Is this supposed to happen?

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: Convertible top not working.

Convertible tops have a few different motors and switches that must all work together or the top just won't work correctly, if it isn't working at all check for a mechanical blockage or maybe a failed fuse, if it isn't...

Q: How much would a spark plug change be for a 4.6l 99 expedition? And should I change coils too?

Billing question was sent to CS for the cost to replace the spark plugs and the ignition coils on a 1999 Ford Expedition with a V8-4.6L engine.

Q: Loud grinding noise coming from engine

Hello. If there is a loud noise like that coming from the engine accompanied by a misfire and fuel from the exhaust, then you may have a valve timing problem. It may be a failure in the timing chain. I...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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.