Q: Misfire

asked by on April 08, 2017

'had code check it says 'random misfire" We changed the sparkplugs and wires. That helped some but not completely. i has 3 ignition coils so we got one thinking we could figure out which one was bad but didn't seem to make a difference. Do I need all 3 to be new or do you think its something else. Also it is spitting fuel from the egshaust. Please help argh

My car has 160000 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

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

Motor mount/waterpump bolt froze
When dealing with a broken off bolt there are a few different ways to fix this. One of which involves drilling out the broken off bolt and extracting it using a reverse drill bit. Another way is to drill out...
Do I have to drop the tank or can I access it from the back seat to change the fuel pump thank you
You can access fuel pump by removing the access panel in the very front of the trunk by rear seat. if you find you are needing help with this repair, a certified technician from YourMechanic can come to your home...
Starts and dies
It sounds like what you are describing is something related to a fuel supply issue, which may be related to low fuel pressure, faulty or dirty fuel injectors, a faulty or dirty idle air control valve (this relays information about...
Car dies no check engine light
Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate and eventually stall. The idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) is a small valve on the engine's intake system...
Coolant leak from the engine area.
Question was sent to CS for to repair a coolant leak on a 2010 Volkswagen Passat with a L4-2.0 turbo engine.
WHY WON’T MY CAR START !!??!
This may be a sign of a faulty ignition coil. Ignition coils (https://www.yourmechanic.com/services/ignition-coil-replacement) are coated with a varnish-like insulation that becomes brittle over time after being stretched then contracted repeatedly. The insulation develops small fractures that open when heated and...
I have a 2008 Audi A6 every time I start the car up it says parking brake malfunction n headlight range control defective
It sounds like there are two separate issues with the vehicle. As for the headlights, I would recommend having this issue inspected and diagnosed by a certified professional who specializes in electrical issues such as that. As for the parking...
CAR completely dead, lights on but are dim, lost power steering, and power windows, ABS LIGHT AND BATTERY LIGHT ARE ON,
There are several possibilities, all involving the vehicle electrical system. I would suggest first measuring charging system output. If charging system output is normal, and the battery is new and fully charged, and yet the lights are dim and the...
Fuel regulator replaced now showing p0172 and p0170 codes to replace fuel regulator
The codes P0171 and Po172 can be caused by other sensors like the MAP sensor, BARO sensor or ECT ACT sensors and each sensor will need to be checked to see if one is out of specifications.

Related articles

A Buyer’s Guide to the 2012 Chevrolet Sonic
The The 2012 Chevrolet Sonic is not only the only domestic subcompact sedan (or hatchback) on the market today, but it’s also one of the most versatile models in its class. This entry-level subcompact car – available in both sedan...
A Buyer’s Guide to the 2012 Chevrolet Silverado Hybrid
If If you’re looking for a half-ton pickup truck that also gets great gas mileage, look no further than the 2012 Chevrolet Silverado Hybrid. While it has the towing and carrying capacity you’d look for in any regular truck, it...
The Best Used Cars to Buy If You Need a Lot of Trunk Space
Many Many people focus more on interior room than cargo carrying capacity. That’s natural if you have a large family or regularly carpool, but what about drivers who need to carry a lot of stuff most of the time and...