Q: I have a 2008 dodge avenger. 2.7. V6. Morning. Run great once warmed up. It starts to misfire n runs very rough. Already changed

asked by on August 19, 2017

Runs very rough only after n misfires. When warmed up. First start of the day. Runs smooth we changed. Ignition coils spark plugs ignition capacitor and wire new clip

My car has 166000 miles.
My car has an automatic transmission.

Engine is misfiring Inspection $94.99 - $114.99 Get a Quote

Hi Christopher. Typically when an engine misfiring issue occurs after the engine has come to operating temperature, it’s due to fuel related components, such as fuel injectors that are clogged or misfiring themselves. This could be due to excessive carbon deposits clogging the injector, or loose or damaged wiring harness connections to the injector. You might want to have a professional mechanic come to your location to complete a engine misfiring inspection to correctly diagnose the root source of your problem, so the right repairs can be made.

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

Door stuck closed
Hi, if the door isn't permanently locked, the latching or handle mechanism is most likely broken somewhere. To save on costs, car manufacturers tend to use plastic pieces in conjunction with metal for these assemblies, and over time the plastic...
Cleaning the cabin air filter with compressed air
Sure, not a bad idea--spray it with compressed air. Realize that if you've got one of those ones that's darker black, that's a charcoal. You can blow the dust out but eventually the charcoal breaks down and it doesn't filter...
I bent my rear sway bar pretty bad. Had it replaced, but the wheel is still a little bent. What else can be the problem?
Hi there. The rear wheel being out of alignment, could be the result of a bent strut assembly (https://www.yourmechanic.com/services/strut-assembly-replacement), a bent trailing/control arm (https://www.yourmechanic.com/services/control-arm-assembly-replacement), a bent bearing knuckle and/or bent rear subframe. Replacing components without diagnosis can be expensive and...
My 2007 Ford F-150 V6 runs rough and stalls
Hi there - I would check for low fuel pressure. Low fuel pressure could be due to a clogged fuel filter, weak fuel pump, or fuel pump relay with burned contacts (fuel pump won't get adequate power). Dirty or failed...
Water leak in my rear passenger foot well
There may be no easy answer for this. Modern cars are so thoroughly insulated and sealed, and the interior structures are so complex that it can be very difficult to find the kind of leak that you're looking for. It...
my 2011 kia Optima jumps when I put it on gear, either reverse or drive. after about a half-hour of driving if I come to a stop it.
Hi there. There seems to be something wrong with the Hybrid transmission on your vehicle. The transmission may have an internal part that is malfunctioning. I recommend seeking out a professional, such as one from Your Mechanic, to help you...
One article I read said it could be a fuse which fuses would it be
Hi There, This should be a 10 amp fuse that operates the radio and clock. The other possibility that may cause this could be your ignition key tumbler that may be causing the key to get stuck as the tumblers...
The exhaust system is loud when started, sound is more concentrated towards front of car. What could be the problem?
Loud exhaust noise could be due to deterioration or breakage of the internal baffles in components such as the resonator and muffler as well as leaks at pipe joints or even at the manifold on the engine. To determine the...
Speedometer doesn't work.
The signal output of the vehicle speed sensor should be confirmed on a scan tool. There is a plastic gear on the end of the sensor (sold separate from the sensor) and that plastic gear is turned by the transmission....

Related articles

The Best Used Cars to Buy If You Don’t Have Kids
Buying Buying a used car is rarely a simple process, but if you don’t have kids, you have many more options than those who have to account for additional passengers. There are plenty of choices out there, depending on your...
The Best Used Cars to Buy If You’re a Vet
The The best car for a vet to own largely depends on the type of practice he or she has. Large animal vets are probably going to want something that delivers a fair bit of power, and possibly even towing...
The Most and Least Expensive Cars to Insure
Car insurance quotes depend on the car make and model. The Honda Odyssey is the least expensive and the Dodge Viper is the most expensive to insure.