Q: Hello hi my name is Norma Williams I have a Chrysler 300 2.7 07 what I did was I refilled it with all you without checking the sti

asked by on August 05, 2017

I have a Chrysler 300 2.7 2007 my engine shakes now one of the mechanics told me it was one of my Pistons then somebody else told me it was motor mount I changed my spark plugs I have new spark plugs I have new coils and I have new injections fluid in the car and it still shakes what is the problem

My car has 148000 miles.
My car has an automatic transmission.

You would need to have the engine mounts checked and then if they are good then have the engine compression tested to see if you have one cylinder low on compression indicating and internal engine problem with a piston or valve.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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


Experienced Mechanic?

Earn up to $70/hr

What others are asking

How do you use the manual transmission?
If your car is equipped with a manual transmission, there are a few things you’ll need to know about using it. It’s pretty similar to any other stick shift you’ve driven, but let’s cover the most pertinent parts quickly: Make...
Bolt broke by thermostat
There are a lot of malfunctions that can cause a car to overheat. Low coolant level, worn water pump, sticking thermostat, internally clogged radiator, externally clogged radiator, improper cooling fan operation, sludge coated water jackets, collapsed hoses or bad head...
Takes several tries to start car
The check engine light code may shine a little light on the concern. It almost sounds like you may have an issue with air metering or fuel delivery. A cold/malfunctioning idle air control valve can put air flow. A leaking...
While highway driving, sunroof exploded outward
Hello there, this is an extremely rare circumstance. In my research I have found several claims from various manufactures with spontaneous glass breaking from either the windows or sunroof. This can happen for a variety of reason from cracks to...
Engine and battery light on car lost power after driving for 5 minutes
Hi, thanks for writing in. This may be a result of a few different things such as a bad ground connection, a weak battery (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-battery), a faulty alternator (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-alternator) or potentially a failing voltage regulator (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-instrument-voltage-regulator). The harmonic balancer does...
Engine is very strong on hard acceleration, but on light acceleration it misfires, also rough idle and smells way too rich.
This may be related to a faulty throttle position sensor or potentially a dirty or failing mass air flow sensor (https://www.yourmechanic.com/services/mass-airflow-sensor-replacement). The mass air flow sensor is a unit in the intake system that monitors air intake as it is...
mercedes don't start when cold
Hello, thank you for writing in. Vehicles often have a hard time starting when the weather is cold. There is not much you can do besides stay on top of your regular maintenance. With that being said, make sure your...
Car won't maintain an idle.
Hi there. Try turning on the ignition to the ’ON’ position 3 times with 30 seconds each time to see if the fuel system had air in the rail. This will help with the air in the system. When starting,...
Rear differential noise.
Sounds like you need to take it back to the shop where you had it changed. First you want to be sure it has enough of the correct oil. If it turns out it is properly filled, it may be...

Related articles

P0199 OBD-II Trouble Code: Engine Oil Temperature Sensor Circuit Faulty
P0199 P0199 code definition P0199 is indicating a fault in the engine oil temperature sensor circuit. This code is similar to P0195, P0196, P0197, P0198. What the P0199 code means P0199 is found when the ECM has detected an intermittent...
P0347 OBD-II Trouble Code: Camshaft Position Sensor A Circuit Low Input (Bank 2)
P0347 P0347 code definition The P0347 Trouble Code refers to an issue with the camshaft position sensor A where the circuit input in bank 2 is too low. What the P0347 code means This is a generic code regarding the...
P0491 OBD-II Trouble Code: Secondary Air Injection System Insufficient Flow Bank 1
P0491 code means there is a problem on the side of the engine which contains cylinder #1 due to a bad air inlet, faulty wires, relay, pump, or fuse.