Q: idle higher than normal, misfiring, bank 1 rich

asked by on January 01, 2018

Car is idling to high, running rich on bank one, misfiring, running rough.

My car has 146000 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

Battery light staying on
Hi. This could mean there is a short somewhere connected to your alternator. A mechanic can trace this issue along with any other issues along the way in order to diagnose the cause of your battery light (https://www.yourmechanic.com/services/battery-light-is-on-inspection).
Fan sound when stepping on gas pedal
Hello. If the noise occurs when you accelerate then it sounds like it may be a timing chain problem. Being that this engine does not have a fan the noise typically comes from the timing chain. It may be from...
Headlights turn on by themselves
Hello. There are only two relays for the headlight control. There may be a problem with the headlight switch malfunctioning. Check to see how long you have the auto shut off timer set to, as it could be set for...
battery not charging light came on
I would still recommend getting the alternator and battery (https://www.yourmechanic.com/article/alternator-or-car-battery-how-to-tell-which-part-is-the-problem) tested. The most likely cause would be the alternator. The alternator can have an intermittent failure that causes it to charge and not charge randomly. If this turns out to...
Brake lights don't turn on when brake pedal is pressed.
Hello, thanks for writing in. Yes, the symptoms you describe are typical of a faulty brake light switch (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-brake-light-switch). The brake light switch, which is usually mounted at the base of the pedal, is the electronic switch responsible for powering...
My car is making a thumping sound every time the tire rotates and I can feel it on the steering wheel.
Two things instantly come to mind here based on your description. The first is that you may have a broken belt inside one of your tires. The constant thumping sound during driving can also be caused by failing wheel bearings...
I Cannot Screw On Oil Filter.
You are using the correct filter. I looked at the photos that you sent but the photos do not show the entirety of the threads. Even if such are shown "clearly", when it comes to threaded parts, it only takes...
04 cvpi started running lean after changing spark plugs
Check to make sure the plugs are tight but do NOT overtighten them. Use a calibrated inch pound torque wrench only; if oil is on the spark plug threads, request assistance from a mechanic in tightening the plugs because the...
burning rubber smell and loud squealing noise but only when pushing the gas pedal?
Hi there. Assuming that you're not smoking your tires, this type of noise and smell is often associated with a worn out serpentine or drive belt, as the squealing noise is caused by the belt being loose and the smell...

Related articles

A Buyer’s Guide to the 2012 Nissan Versa
In In the world of subcompact sedans, the Nissan Versa is a serious contender. Not only does it come with a low price tag, but it also includes a lot more features than you’d expect for a subcompact, especially one...
The Best Used Cars to Buy If You Live in the Country
Living Living in the country is a whole different way of living. You deal with rough and uneven roads, mud, snow, rain, and ice and you need a vehicle that can stand up to these kinds of conditions with ease....
The Best Used Cars to Buy For Fuel Economy
Saving money on gas is an important factor to consider when buying a car. The Honda Civic, Toyota Prius, and Ford Fusion all have great fuel economy.