Q: Does the O2 sensor make the engine check light appear?

asked by on October 06, 2016

Some times when I turn the car on the rpms are going up and down, and have to turn it off and back on to function right

My car has 144000 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

Rattling while accelerating
Hi. This issue can be one of many things. From detonation occurring in your engine, a timing belt needing to be replaced, a faulted catalytic converter, or an issue with fuel that is in your vehicle. More information about when...
Transmission slips out of fifth gear, makes grinding sounds
This is possibly a transmission shifter adjustment issue (5th gear, non-engagement). The noise issue may be related, but it is potentially serious regardless. You don't mention what kind of "transmission problems" caused you to have the clutch repaired, but that...
Why can't i fix O2 sensor problem
In many circumstances, the O2 sensors are not the only culprit of a lean fuel curve. In many cases, a clogged fuel injector (https://www.yourmechanic.com/services/fuel-injector-replacement) nozzle can also trigger the most common OBD-II error code (P-2191) (https://www.yourmechanic.com/article/p2191-obd-ii-trouble-code-system-too-lean-at-higher-load-bank-1-by-jay-safford) that indicates a lean...
Got a check engine code of 1899
Hello. The symptoms you describe can be caused by a few different things. If you are showing code P1899, for a park / neutral safety switch that is stuck in gear then it may be possible that the switch needs...
Water getting inside driver side door 2013 Honda Pilot
Hi - yes, it is quite likely the water leak (https://www.yourmechanic.com/question/i-have-water-that-s-getting-inside-my-drivers-side-back-door-and-floor-what-could-be-causing-this-by-lakeisha-j) you describe is the source of failed electrical functionality. If the weatherseal around the driver door glass is leaking, allowing water to splash on the master switch assembly for...
Crankshaft replacement fit? 2006 Hummer H3
Hello - the crankshaft on the 3.7l LLR engine does in fact have the same stroke as the L52 3.5l engine in your H3, so there is a good chance it is compatible. Check with your Hummer parts specialist for...
Telephone number needed - England
Hello - unfortunately, YourMechanic.com does not yet offer service in England. Thanks for thinking of us though!
Car skipping
I am making the assumption that the skip you are referring to is a misfire that you are describing. There are several factors that can cause an engine misfire (https://www.yourmechanic.com/services/engine-is-misfiring-inspection). A defective distributor cap/rotor, bad spark plug, bad plug wire,...
interchangeable parts mazda 3 hatchback ,mazda 3 sedan
Based on data at Car-Part.com (http://www.car-part.com), the windows you refer to appear to interchange and, as well, many of the model years interchange, thus giving you lots of choices if you are looking for a used windshield. If you perform...

Related articles

A Buyer’s Guide to the 2012 Dodge Charger
If If you’ve always loved driving performance cars but you don't know how you’ll fit a baby seat in a Mustang or a Camaro, the 2012 Dodge Charger could be the car for you. While it has the room and...
A Buyer’s Guide to the 2012 Dodge Grand Caravan
When When you were a kid, almost every family you knew had a Dodge Grand Caravan. However, thanks to the rise of SUVs, CUVs (crossover utility vehicles), and sport wagons, this model has lost a lot of ground over the...
Industry News for Automotive Techs: November 5 - November 11
Tesla buys Grohmann Engineering, Ferrari's future hybrids, next-gen Dodge Charger and Challenger, Nissan e-Power system, and YourMechanic recognition.